diff --git a/pom.xml b/pom.xml
index 012eb4f0..445d6299 100644
--- a/pom.xml
+++ b/pom.xml
@@ -8,7 +8,7 @@
     <version>9.9.3-SNAPSHOT</version>
 
     <build>
-        <defaultGoal>clean install</defaultGoal>
+        <defaultGoal>exec:java clean install</defaultGoal>
         <finalName>LibsDisguises</finalName>
 
         <resources>
@@ -31,6 +31,25 @@
                 <artifactId>maven-surefire-plugin</artifactId>
                 <version>3.0.0-M1</version>
             </plugin>
+            <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>exec-maven-plugin</artifactId>
+                <version>1.6.0</version>
+
+                <executions>
+                    <execution>
+                        <id>my-execution</id>
+                        <phase>compile</phase>
+                        <goals>
+                            <goal>java</goal>
+                        </goals>
+                    </execution>
+                </executions>
+                <configuration>
+                    <includePluginDependencies>true</includePluginDependencies>
+                    <mainClass>me.libraryaddict.disguise.utilities.reflection.CompileMethods</mainClass>
+                </configuration>
+            </plugin>
         </plugins>
     </build>
 
@@ -60,12 +79,12 @@
         <dependency>
             <groupId>org.spigotmc</groupId>
             <artifactId>spigot-api</artifactId>
-            <version>1.15-R0.1-SNAPSHOT</version>
+            <version>1.15.2-R0.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.spigotmc</groupId>
             <artifactId>spigot</artifactId>
-            <version>1.15-R0.1-SNAPSHOT</version>
+            <version>1.15.2-R0.1-SNAPSHOT</version>
         </dependency>
         <!-- testing -->
         <dependency>
diff --git a/src/main/java/me/libraryaddict/disguise/DisguiseConfig.java b/src/main/java/me/libraryaddict/disguise/DisguiseConfig.java
index 2f4ab0b5..cfa521ad 100644
--- a/src/main/java/me/libraryaddict/disguise/DisguiseConfig.java
+++ b/src/main/java/me/libraryaddict/disguise/DisguiseConfig.java
@@ -16,11 +16,11 @@ import org.bukkit.Bukkit;
 import org.bukkit.command.CommandSender;
 import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.configuration.file.YamlConfiguration;
-import org.bukkit.craftbukkit.libs.org.apache.commons.io.FileUtils;
 import org.bukkit.entity.Entity;
 
 import java.io.File;
 import java.io.IOException;
+import java.io.PrintWriter;
 import java.lang.reflect.InvocationTargetException;
 import java.util.HashMap;
 import java.util.Iterator;
@@ -308,9 +308,13 @@ public class DisguiseConfig {
 
             try {
                 explain.createNewFile();
-                FileUtils.write(explain,
-                        "This folder is used to store .png files for uploading with the /savedisguise or /grabskin " +
-                                "commands");
+
+                try (PrintWriter out = new PrintWriter(explain)) {
+                    out.println(
+                            "This folder is used to store .png files for uploading with the /savedisguise or " +
+                                    "/grabskin " +
+                                    "commands");
+                }
             }
             catch (IOException e) {
                 e.printStackTrace();
diff --git a/src/main/java/me/libraryaddict/disguise/LibsDisguises.java b/src/main/java/me/libraryaddict/disguise/LibsDisguises.java
index 99b853d6..78e7c66a 100644
--- a/src/main/java/me/libraryaddict/disguise/LibsDisguises.java
+++ b/src/main/java/me/libraryaddict/disguise/LibsDisguises.java
@@ -20,6 +20,8 @@ import org.bukkit.scoreboard.Scoreboard;
 import org.bukkit.scoreboard.Team;
 
 import java.io.File;
+import java.util.Arrays;
+import java.util.stream.Collectors;
 
 public class LibsDisguises extends JavaPlugin {
     private static LibsDisguises instance;
@@ -71,7 +73,15 @@ public class LibsDisguises extends JavaPlugin {
 
         if (ReflectionManager.getVersion() == null) {
             getLogger().severe("You're using the wrong version of Lib's Disguises for your server! This is " +
-                    "intended for 1.14 & 1.15!");
+                    "intended for " + StringUtils
+                    .join(Arrays.stream(NmsVersion.values()).map(v -> v.name().replace("_", "."))
+                            .collect(Collectors.toList()), " & ") + "!");
+            getPluginLoader().disablePlugin(this);
+            return;
+        }
+
+        if (!LibsPremium.isPremium() && ReflectionManager.getVersion().ordinal() < NmsVersion.values().length - 1) {
+            getLogger().severe("Backwards compatibility is premium only! Use older builds or purchase the plugin!");
             getPluginLoader().disablePlugin(this);
             return;
         }
diff --git a/src/main/java/me/libraryaddict/disguise/disguisetypes/AnimalColor.java b/src/main/java/me/libraryaddict/disguise/disguisetypes/AnimalColor.java
index 454c2458..32571d7e 100644
--- a/src/main/java/me/libraryaddict/disguise/disguisetypes/AnimalColor.java
+++ b/src/main/java/me/libraryaddict/disguise/disguisetypes/AnimalColor.java
@@ -1,5 +1,6 @@
 package me.libraryaddict.disguise.disguisetypes;
 
+import me.libraryaddict.disguise.utilities.reflection.NmsVersion;
 import org.bukkit.DyeColor;
 import org.bukkit.Material;
 
@@ -9,17 +10,20 @@ public enum AnimalColor {
     BROWN(DyeColor.BROWN, Material.COCOA_BEANS),
     CYAN(DyeColor.CYAN, Material.CYAN_DYE),
     GRAY(DyeColor.GRAY, Material.GRAY_DYE),
-    GREEN(DyeColor.GREEN, Material.GREEN_DYE),
+    GREEN(DyeColor.GREEN,
+            NmsVersion.v1_14.isSupported() ? Material.getMaterial("GREEN_DYE") : Material.getMaterial("CATCUS_GREEN")),
     LIGHT_BLUE(DyeColor.LIGHT_BLUE, Material.LIGHT_BLUE_DYE),
     LIME(DyeColor.LIME, Material.LIME_DYE),
     MAGENTA(DyeColor.MAGENTA, Material.MAGENTA_DYE),
     ORANGE(DyeColor.ORANGE, Material.ORANGE_DYE),
     PINK(DyeColor.PINK, Material.PINK_DYE),
     PURPLE(DyeColor.PURPLE, Material.PURPLE_DYE),
-    RED(DyeColor.RED, Material.RED_DYE),
+    RED(DyeColor.RED,
+            NmsVersion.v1_14.isSupported() ? Material.getMaterial("RED_DYE") : Material.getMaterial("ROSE_RED")),
     LIGHT_GRAY(DyeColor.LIGHT_GRAY, Material.LIGHT_GRAY_DYE),
     WHITE(DyeColor.WHITE, Material.BONE_MEAL),
-    YELLOW(DyeColor.YELLOW, Material.YELLOW_DYE);
+    YELLOW(DyeColor.YELLOW, NmsVersion.v1_14.isSupported() ? Material.getMaterial("YELLOW_DYE") :
+            Material.getMaterial("DANDELION_YELLOW"));
 
     public static AnimalColor getColorByWool(int woolId) {
         for (AnimalColor color : values()) {
diff --git a/src/main/java/me/libraryaddict/disguise/disguisetypes/DisguiseType.java b/src/main/java/me/libraryaddict/disguise/disguisetypes/DisguiseType.java
index 6d24da8e..2df8bb40 100644
--- a/src/main/java/me/libraryaddict/disguise/disguisetypes/DisguiseType.java
+++ b/src/main/java/me/libraryaddict/disguise/disguisetypes/DisguiseType.java
@@ -1,6 +1,7 @@
 package me.libraryaddict.disguise.disguisetypes;
 
-import me.libraryaddict.disguise.utilities.reflection.NmsAdded;
+import me.libraryaddict.disguise.utilities.reflection.NmsAddedIn;
+import me.libraryaddict.disguise.utilities.reflection.NmsRemovedIn;
 import me.libraryaddict.disguise.utilities.reflection.NmsVersion;
 import me.libraryaddict.disguise.utilities.translations.TranslateType;
 import org.apache.commons.lang.StringUtils;
@@ -16,13 +17,13 @@ public enum DisguiseType {
 
     BAT,
 
-    @NmsAdded(added = NmsVersion.v1_15) BEE,
+    @NmsAddedIn(val = NmsVersion.v1_15) BEE,
 
     BLAZE,
 
     BOAT(1),
 
-    CAT,
+    @NmsAddedIn(val = NmsVersion.v1_14) CAT,
 
     CAVE_SPIDER,
 
@@ -74,7 +75,7 @@ public enum DisguiseType {
 
     FISHING_HOOK(90),
 
-    FOX,
+    @NmsAddedIn(val = NmsVersion.v1_14) FOX,
 
     GHAST,
 
@@ -122,7 +123,7 @@ public enum DisguiseType {
 
     PAINTING,
 
-    PANDA,
+    @NmsAddedIn(val = NmsVersion.v1_14) PANDA,
 
     PARROT,
 
@@ -132,7 +133,7 @@ public enum DisguiseType {
 
     PIG_ZOMBIE,
 
-    PILLAGER,
+    @NmsAddedIn(val = NmsVersion.v1_14) PILLAGER,
 
     PLAYER,
 
@@ -144,7 +145,7 @@ public enum DisguiseType {
 
     RABBIT,
 
-    RAVAGER,
+    @NmsAddedIn(val = NmsVersion.v1_14) RAVAGER,
 
     SALMON,
 
@@ -180,9 +181,11 @@ public enum DisguiseType {
 
     THROWN_EXP_BOTTLE(75),
 
+    @NmsRemovedIn(val = NmsVersion.v1_14) TIPPED_ARROW(60),
+
     TRIDENT(94, 0),
 
-    TRADER_LLAMA,
+    @NmsAddedIn(val = NmsVersion.v1_14) TRADER_LLAMA,
 
     TROPICAL_FISH,
 
@@ -198,7 +201,7 @@ public enum DisguiseType {
 
     VINDICATOR,
 
-    WANDERING_TRADER,
+    @NmsAddedIn(val = NmsVersion.v1_14) WANDERING_TRADER,
 
     WITCH,
 
diff --git a/src/main/java/me/libraryaddict/disguise/disguisetypes/FlagWatcher.java b/src/main/java/me/libraryaddict/disguise/disguisetypes/FlagWatcher.java
index 59c40718..0258ce90 100644
--- a/src/main/java/me/libraryaddict/disguise/disguisetypes/FlagWatcher.java
+++ b/src/main/java/me/libraryaddict/disguise/disguisetypes/FlagWatcher.java
@@ -13,6 +13,8 @@ import me.libraryaddict.disguise.DisguiseAPI;
 import me.libraryaddict.disguise.DisguiseConfig;
 import me.libraryaddict.disguise.LibsDisguises;
 import me.libraryaddict.disguise.utilities.DisguiseUtilities;
+import me.libraryaddict.disguise.utilities.reflection.NmsAddedIn;
+import me.libraryaddict.disguise.utilities.reflection.NmsVersion;
 import me.libraryaddict.disguise.utilities.reflection.ReflectionManager;
 import net.md_5.bungee.api.chat.BaseComponent;
 import net.md_5.bungee.api.chat.TextComponent;
@@ -195,10 +197,12 @@ public class FlagWatcher {
         return newList;
     }
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public EntityPose getEntityPose() {
         return getData(MetaIndex.ENTITY_POSE);
     }
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public void setEntityPose(EntityPose entityPose) {
         setData(MetaIndex.ENTITY_POSE, entityPose);
         sendData(MetaIndex.ENTITY_POSE);
@@ -208,6 +212,10 @@ public class FlagWatcher {
         return getEquipment().getArmorContents();
     }
 
+    public void setArmor(ItemStack[] items) {
+        getEquipment().setArmorContents(items);
+    }
+
     public String getCustomName() {
         Optional<WrappedChatComponent> optional = getData(MetaIndex.ENTITY_CUSTOM_NAME);
 
@@ -220,10 +228,29 @@ public class FlagWatcher {
         return null;
     }
 
+    public void setCustomName(String name) {
+        if (Strings.isNullOrEmpty(name)) {
+            setData(MetaIndex.ENTITY_CUSTOM_NAME, Optional.empty());
+        } else {
+            if (name.length() > 64) {
+                name = name.substring(0, 64);
+            }
+
+            setData(MetaIndex.ENTITY_CUSTOM_NAME, Optional.of(WrappedChatComponent.fromText(name)));
+        }
+
+        sendData(MetaIndex.ENTITY_CUSTOM_NAME);
+    }
+
     protected TargetedDisguise getDisguise() {
         return disguise;
     }
 
+    protected void setDisguise(TargetedDisguise disguise) {
+        this.disguise = disguise;
+        equipment.setFlagWatcher(this);
+    }
+
     private boolean getEntityFlag(int byteValue) {
         return (getData(MetaIndex.ENTITY_META) & 1 << byteValue) != 0;
     }
@@ -236,10 +263,18 @@ public class FlagWatcher {
         return equipment.getItemInMainHand();
     }
 
+    public void setItemInMainHand(ItemStack itemstack) {
+        setItemStack(EquipmentSlot.HAND, itemstack);
+    }
+
     public ItemStack getItemInOffHand() {
         return equipment.getItemInOffHand();
     }
 
+    public void setItemInOffHand(ItemStack itemstack) {
+        setItemStack(EquipmentSlot.OFF_HAND, itemstack);
+    }
+
     public ItemStack getItemStack(EquipmentSlot slot) {
         return equipment.getItem(slot);
     }
@@ -278,10 +313,21 @@ public class FlagWatcher {
         return getEntityFlag(0);
     }
 
+    public void setBurning(boolean setBurning) {
+        setEntityFlag(0, setBurning);
+
+        sendData(MetaIndex.ENTITY_META);
+    }
+
     public boolean isCustomNameVisible() {
         return getData(MetaIndex.ENTITY_CUSTOM_NAME_VISIBLE);
     }
 
+    public void setCustomNameVisible(boolean display) {
+        setData(MetaIndex.ENTITY_CUSTOM_NAME_VISIBLE, display);
+        sendData(MetaIndex.ENTITY_CUSTOM_NAME_VISIBLE);
+    }
+
     @Deprecated
     public boolean isEntityAnimationsAdded() {
         return addEntityAnimations;
@@ -291,30 +337,67 @@ public class FlagWatcher {
         return getEntityFlag(7);
     }
 
+    public void setFlyingWithElytra(boolean flying) {
+        setEntityFlag(7, flying);
+        sendData(MetaIndex.ENTITY_META);
+    }
+
     public boolean isGlowing() {
         return getEntityFlag(6);
     }
 
+    public void setGlowing(boolean glowing) {
+        setEntityFlag(6, glowing);
+        sendData(MetaIndex.ENTITY_META);
+    }
+
     public boolean isInvisible() {
         return getEntityFlag(5);
     }
 
+    public void setInvisible(boolean setInvis) {
+        setEntityFlag(5, setInvis);
+        sendData(MetaIndex.ENTITY_META);
+    }
+
     public boolean isNoGravity() {
         return getData(MetaIndex.ENTITY_NO_GRAVITY);
     }
 
+    public void setNoGravity(boolean noGravity) {
+        setData(MetaIndex.ENTITY_NO_GRAVITY, noGravity);
+        sendData(MetaIndex.ENTITY_NO_GRAVITY);
+    }
+
     public boolean isRightClicking() {
         return getEntityFlag(4);
     }
 
+    public void setRightClicking(boolean setRightClicking) {
+        setEntityFlag(4, setRightClicking);
+        sendData(MetaIndex.ENTITY_META);
+    }
+
     public boolean isSneaking() {
         return getEntityFlag(1);
     }
 
+    public void setSneaking(boolean setSneaking) {
+        setEntityFlag(1, setSneaking);
+        sendData(MetaIndex.ENTITY_META);
+
+        updatePose();
+    }
+
     public boolean isSprinting() {
         return getEntityFlag(3);
     }
 
+    public void setSprinting(boolean setSprinting) {
+        setEntityFlag(3, setSprinting);
+        sendData(MetaIndex.ENTITY_META);
+    }
+
     public void rebuildWatchableObjects() {
         watchableObjects = new ArrayList<>();
 
@@ -355,8 +438,7 @@ public class FlagWatcher {
 
             Object value = entityValues.get(data.getIndex());
 
-            if (isEntityAnimationsAdded() && DisguiseConfig.isMetaPacketsEnabled() &&
-                    data == MetaIndex.ENTITY_META) {
+            if (isEntityAnimationsAdded() && DisguiseConfig.isMetaPacketsEnabled() && data == MetaIndex.ENTITY_META) {
                 value = addEntityAnimations((byte) value,
                         WrappedDataWatcher.getEntityWatcher(disguise.getEntity()).getByte(0));
             }
@@ -403,10 +485,6 @@ public class FlagWatcher {
         addEntityAnimations = isEntityAnimationsAdded;
     }
 
-    public void setArmor(ItemStack[] items) {
-        getEquipment().setArmorContents(items);
-    }
-
     protected void setBackupValue(MetaIndex no, Object value) {
         if (no == null)
             return;
@@ -414,31 +492,6 @@ public class FlagWatcher {
         backupEntityValues.put(no.getIndex(), value);
     }
 
-    public void setBurning(boolean setBurning) {
-        setEntityFlag(0, setBurning);
-
-        sendData(MetaIndex.ENTITY_META);
-    }
-
-    public void setCustomName(String name) {
-        if (Strings.isNullOrEmpty(name)) {
-            setData(MetaIndex.ENTITY_CUSTOM_NAME, Optional.empty());
-        } else {
-            if (name.length() > 64) {
-                name = name.substring(0, 64);
-            }
-
-            setData(MetaIndex.ENTITY_CUSTOM_NAME, Optional.of(WrappedChatComponent.fromText(name)));
-        }
-
-        sendData(MetaIndex.ENTITY_CUSTOM_NAME);
-    }
-
-    public void setCustomNameVisible(boolean display) {
-        setData(MetaIndex.ENTITY_CUSTOM_NAME_VISIBLE, display);
-        sendData(MetaIndex.ENTITY_CUSTOM_NAME_VISIBLE);
-    }
-
     private void setEntityFlag(int byteValue, boolean flag) {
         modifiedEntityAnimations[byteValue] = true;
 
@@ -451,21 +504,6 @@ public class FlagWatcher {
         }
     }
 
-    public void setFlyingWithElytra(boolean flying) {
-        setEntityFlag(7, flying);
-        sendData(MetaIndex.ENTITY_META);
-    }
-
-    public void setGlowing(boolean glowing) {
-        setEntityFlag(6, glowing);
-        sendData(MetaIndex.ENTITY_META);
-    }
-
-    public void setInvisible(boolean setInvis) {
-        setEntityFlag(5, setInvis);
-        sendData(MetaIndex.ENTITY_META);
-    }
-
     /**
      * Don't use this, use setItemInMainHand instead
      *
@@ -476,14 +514,6 @@ public class FlagWatcher {
         setItemInMainHand(itemstack);
     }
 
-    public void setItemInMainHand(ItemStack itemstack) {
-        setItemStack(EquipmentSlot.HAND, itemstack);
-    }
-
-    public void setItemInOffHand(ItemStack itemstack) {
-        setItemStack(EquipmentSlot.OFF_HAND, itemstack);
-    }
-
     public void setItemStack(EquipmentSlot slot, ItemStack itemStack) {
         equipment.setItem(slot, itemStack);
     }
@@ -540,23 +570,6 @@ public class FlagWatcher {
         }
     }
 
-    public void setNoGravity(boolean noGravity) {
-        setData(MetaIndex.ENTITY_NO_GRAVITY, noGravity);
-        sendData(MetaIndex.ENTITY_NO_GRAVITY);
-    }
-
-    public void setRightClicking(boolean setRightClicking) {
-        setEntityFlag(4, setRightClicking);
-        sendData(MetaIndex.ENTITY_META);
-    }
-
-    public void setSneaking(boolean setSneaking) {
-        setEntityFlag(1, setSneaking);
-        sendData(MetaIndex.ENTITY_META);
-
-        updatePose();
-    }
-
     public boolean isSleeping() {
         return sleeping;
     }
@@ -597,15 +610,15 @@ public class FlagWatcher {
         }
     }
 
-    public void setSprinting(boolean setSprinting) {
-        setEntityFlag(3, setSprinting);
-        sendData(MetaIndex.ENTITY_META);
-    }
-
     protected <Y> void setData(MetaIndex<Y> id, Y value) {
         if (id == null)
             return;
 
+        if (id.getIndex() == -1) {
+            throw new IllegalArgumentException(
+                    "You can't do that in this version of Minecraft! I can't use " + MetaIndex.getName(id) + "!");
+        }
+
         if (value == null && id.getDefault() instanceof ItemStack)
             throw new IllegalArgumentException("Cannot use null ItemStacks");
 
@@ -615,9 +628,4 @@ public class FlagWatcher {
             rebuildWatchableObjects();
         }
     }
-
-    protected void setDisguise(TargetedDisguise disguise) {
-        this.disguise = disguise;
-        equipment.setFlagWatcher(this);
-    }
 }
diff --git a/src/main/java/me/libraryaddict/disguise/disguisetypes/MetaIndex.java b/src/main/java/me/libraryaddict/disguise/disguisetypes/MetaIndex.java
index 7bc02f28..f6c345ad 100644
--- a/src/main/java/me/libraryaddict/disguise/disguisetypes/MetaIndex.java
+++ b/src/main/java/me/libraryaddict/disguise/disguisetypes/MetaIndex.java
@@ -7,15 +7,14 @@ import com.comphenix.protocol.wrappers.nbt.NbtFactory;
 import com.comphenix.protocol.wrappers.nbt.NbtType;
 import me.libraryaddict.disguise.disguisetypes.watchers.*;
 import me.libraryaddict.disguise.utilities.DisguiseUtilities;
-import me.libraryaddict.disguise.utilities.reflection.NmsAdded;
-import me.libraryaddict.disguise.utilities.reflection.NmsRemoved;
+import me.libraryaddict.disguise.utilities.reflection.NmsAddedIn;
+import me.libraryaddict.disguise.utilities.reflection.NmsRemovedIn;
 import me.libraryaddict.disguise.utilities.reflection.NmsVersion;
 import me.libraryaddict.disguise.utilities.reflection.ReflectionManager;
 import me.libraryaddict.disguise.utilities.translations.LibsMsg;
 import org.bukkit.Color;
 import org.bukkit.Material;
 import org.bukkit.Particle;
-import org.bukkit.entity.MushroomCow;
 import org.bukkit.entity.Villager;
 import org.bukkit.inventory.ItemStack;
 
@@ -105,6 +104,7 @@ public class MetaIndex<Y> {
      */
     public static MetaIndex<Optional<UUID>> ARROW_UUID = new MetaIndex<>(ArrowWatcher.class, 1, Optional.empty());
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public static MetaIndex<Byte> ARROW_PIERCE_LEVEL = new MetaIndex<>(ArrowWatcher.class, 2, (byte) 0);
 
     /**
@@ -112,10 +112,10 @@ public class MetaIndex<Y> {
      */
     public static MetaIndex<Byte> BAT_HANGING = new MetaIndex<>(BatWatcher.class, 0, (byte) 1);
 
-    @NmsAdded(added = NmsVersion.v1_15)
+    @NmsAddedIn(val = NmsVersion.v1_15)
     public static MetaIndex<Byte> BEE_META = new MetaIndex<>(BeeWatcher.class, 0, (byte) 0);
 
-    @NmsAdded(added = NmsVersion.v1_15)
+    @NmsAddedIn(val = NmsVersion.v1_15)
     public static MetaIndex<Integer> BEE_ANGER = new MetaIndex<>(BeeWatcher.class, 1, 0);
 
     /**
@@ -143,12 +143,16 @@ public class MetaIndex<Y> {
 
     public static MetaIndex<Integer> BOAT_SHAKE = new MetaIndex<>(BoatWatcher.class, 6, 0);
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public static MetaIndex<Integer> CAT_TYPE = new MetaIndex<>(CatWatcher.class, 0, 0);
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public static MetaIndex<Boolean> CAT_LYING_DOWN = new MetaIndex<>(CatWatcher.class, 1, false);
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public static MetaIndex<Boolean> CAT_LOOKING_UP = new MetaIndex<>(CatWatcher.class, 2, false);
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public static MetaIndex<Integer> CAT_COLLAR = new MetaIndex<>(CatWatcher.class, 3, AnimalColor.RED.ordinal());
 
     /**
@@ -197,6 +201,7 @@ public class MetaIndex<Y> {
 
     public static MetaIndex<Integer> ENDER_DRAGON_PHASE = new MetaIndex<>(EnderDragonWatcher.class, 0, 10);
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public static MetaIndex<ItemStack> ENDER_SIGNAL_ITEM = new MetaIndex<>(EnderSignalWatcher.class, 0,
             new ItemStack(Material.AIR));
 
@@ -205,7 +210,7 @@ public class MetaIndex<Y> {
      */
     public static MetaIndex<Boolean> ENDERMAN_AGRESSIVE = new MetaIndex<>(EndermanWatcher.class, 1, false);
 
-    @NmsAdded(added = NmsVersion.v1_15)
+    @NmsAddedIn(val = NmsVersion.v1_15)
     public static MetaIndex<Boolean> ENDERMAN_UNKNOWN = new MetaIndex<>(EndermanWatcher.class, 2, false);
 
     /**
@@ -245,11 +250,14 @@ public class MetaIndex<Y> {
     /**
      * If entity can make sounds, no noticable effects
      */
+
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public static MetaIndex<EntityPose> ENTITY_POSE = new MetaIndex<>(FlagWatcher.class, 6, EntityPose.STANDING);
 
     public static MetaIndex<BlockPosition> FALLING_BLOCK_POSITION = new MetaIndex<>(FallingBlockWatcher.class, 0,
             BlockPosition.ORIGIN);
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public static MetaIndex<ItemStack> FIREBALL_ITEM = new MetaIndex<>(FireballWatcher.class, 0,
             new ItemStack(Material.AIR));
 
@@ -258,9 +266,14 @@ public class MetaIndex<Y> {
 
     public static MetaIndex<Boolean> FISH_FROM_BUCKET = new MetaIndex<>(FishWatcher.class, 0, false);
 
+    @NmsRemovedIn(val = NmsVersion.v1_14)
+    public static MetaIndex<Integer> FIREWORK_ATTACHED_ENTITY_OLD = new MetaIndex<>(FireworkWatcher.class, 1, 0);
+
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public static MetaIndex<OptionalInt> FIREWORK_ATTACHED_ENTITY = new MetaIndex<>(FireworkWatcher.class, 1,
             OptionalInt.empty());
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public static MetaIndex<Boolean> FIREWORK_SHOT_AT_ANGLE = new MetaIndex<>(FireworkWatcher.class, 2, false);
 
     public static MetaIndex<Integer> FISHING_HOOK_HOOKED = new MetaIndex<>(FishingHookWatcher.class, 0, 0);
@@ -268,12 +281,16 @@ public class MetaIndex<Y> {
     /**
      * The type of fox, its coloring
      */
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public static MetaIndex<Integer> FOX_TYPE = new MetaIndex<>(FoxWatcher.class, 0, 0);
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public static MetaIndex<Byte> FOX_META = new MetaIndex<>(FoxWatcher.class, 1, (byte) 0);
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public static MetaIndex<Optional<UUID>> FOX_TRUSTED_1 = new MetaIndex<>(FoxWatcher.class, 2, Optional.empty());
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public static MetaIndex<Optional<UUID>> FOX_TRUSTED_2 = new MetaIndex<>(FoxWatcher.class, 3, Optional.empty());
 
     /**
@@ -297,6 +314,8 @@ public class MetaIndex<Y> {
     public static MetaIndex<Boolean> HORSE_CHESTED_CARRYING_CHEST = new MetaIndex<>(ChestedHorseWatcher.class, 0,
             false);
 
+    @NmsRemovedIn(val = NmsVersion.v1_14)
+    public static MetaIndex<Integer> HORSE_ARMOR = new MetaIndex<>(HorseWatcher.class, 1, 0);
     /**
      * Color of the horse, uses enum not RGB
      */
@@ -313,8 +332,15 @@ public class MetaIndex<Y> {
     public static MetaIndex<Optional<UUID>> HORSE_OWNER = new MetaIndex<>(AbstractHorseWatcher.class, 1,
             Optional.empty());
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public static MetaIndex<Byte> ILLAGER_SPELL = new MetaIndex<>(IllagerWizardWatcher.class, 0, (byte) 0);
 
+    @NmsRemovedIn(val = NmsVersion.v1_14)
+    public static MetaIndex<Byte> ILLAGER_META = new MetaIndex<>(IllagerWatcher.class, 0, (byte) 0);
+
+    @NmsRemovedIn(val = NmsVersion.v1_14)
+    public static MetaIndex<Byte> ILLAGER_SPELL_TICKS = new MetaIndex<>(IllagerWizardWatcher.class, 0, (byte) 0);
+
     public static MetaIndex<Byte> INSENTIENT_META = new MetaIndex<>(InsentientWatcher.class, 0, (byte) 0);
 
     public static MetaIndex<Byte> IRON_GOLEM_PLAYER_CREATED = new MetaIndex<>(IronGolemWatcher.class, 0, (byte) 0);
@@ -358,9 +384,10 @@ public class MetaIndex<Y> {
     /**
      * How many bee stings does the entity have
      */
-    @NmsAdded(added = NmsVersion.v1_15)
+    @NmsAddedIn(val = NmsVersion.v1_15)
     public static MetaIndex<Integer> LIVING_STINGS = new MetaIndex<>(LivingWatcher.class, 5, 0);
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public static MetaIndex<Optional<BlockPosition>> LIVING_BED_POSITION = new MetaIndex<>(LivingWatcher.class, 6,
             Optional.empty());
 
@@ -410,21 +437,31 @@ public class MetaIndex<Y> {
      */
     public static MetaIndex<Boolean> MINECART_FURANCE_FUELED = new MetaIndex<>(MinecartFurnaceWatcher.class, 0, false);
 
-    public static MetaIndex<String> MUSHROOM_COW_TYPE = new MetaIndex<>(MushroomCowWatcher.class, 0,
-            MushroomCow.Variant.RED.name().toLowerCase());
+    @NmsAddedIn(val = NmsVersion.v1_14)
+    public static MetaIndex<String> MUSHROOM_COW_TYPE = new MetaIndex<>(MushroomCowWatcher.class, 0, "RED");
 
+    @NmsRemovedIn(val = NmsVersion.v1_14)
+    public static MetaIndex<Integer> OCELOT_TYPE = new MetaIndex<>(OcelotWatcher.class, 0, 0);
+
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public static MetaIndex<Boolean> OCELOT_TRUST = new MetaIndex<>(OcelotWatcher.class, 0, false);
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public static MetaIndex<Integer> PANDA_HEAD_SHAKING = new MetaIndex<>(PandaWatcher.class, 0, 0);
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public static MetaIndex<Integer> PANDA_UNKNOWN_1 = new MetaIndex<>(PandaWatcher.class, 1, 0);
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public static MetaIndex<Integer> PANDA_UNKNOWN_2 = new MetaIndex<>(PandaWatcher.class, 2, 0);
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public static MetaIndex<Byte> PANDA_MAIN_GENE = new MetaIndex<>(PandaWatcher.class, 3, (byte) 0);
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public static MetaIndex<Byte> PANDA_HIDDEN_GENE = new MetaIndex<>(PandaWatcher.class, 4, (byte) 0);
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public static MetaIndex<Byte> PANDA_META = new MetaIndex<>(PandaWatcher.class, 5, (byte) 0);
 
     public static MetaIndex<Integer> PARROT_VARIANT = new MetaIndex<>(ParrotWatcher.class, 0, 0);
@@ -438,6 +475,7 @@ public class MetaIndex<Y> {
      */
     public static MetaIndex<Integer> PIG_BOOST = new MetaIndex<>(PigWatcher.class, 1, 0);
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public static MetaIndex<Boolean> PILLAGER_AIMING_BOW = new MetaIndex<>(PillagerWatcher.class, 0, false);
 
     public static MetaIndex<Float> PLAYER_ABSORPTION = new MetaIndex<>(PlayerWatcher.class, 0, 0F);
@@ -460,6 +498,7 @@ public class MetaIndex<Y> {
 
     public static MetaIndex<Integer> RABBIT_TYPE = new MetaIndex<>(RabbitWatcher.class, 0, 0);
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public static MetaIndex<Boolean> RAIDER_CASTING_SPELL = new MetaIndex<>(RaiderWatcher.class, 0, false);
 
     public static MetaIndex<Byte> SHEEP_WOOL = new MetaIndex<>(SheepWatcher.class, 0, (byte) 0);
@@ -473,6 +512,9 @@ public class MetaIndex<Y> {
 
     public static MetaIndex<Byte> SHULKER_PEEKING = new MetaIndex<>(ShulkerWatcher.class, 2, (byte) 0);
 
+    @NmsRemovedIn(val = NmsVersion.v1_14)
+    public static MetaIndex<Boolean> SKELETON_SWING_ARMS = new MetaIndex<>(SkeletonWatcher.class, 0, false);
+
     public static MetaIndex<Integer> SLIME_SIZE = new MetaIndex<>(SlimeWatcher.class, 0, 1);
 
     public static MetaIndex<Byte> SNOWMAN_DERP = new MetaIndex<>(SnowmanWatcher.class, 0, (byte) 16);
@@ -487,6 +529,7 @@ public class MetaIndex<Y> {
     public static MetaIndex<Optional<UUID>> TAMEABLE_OWNER = new MetaIndex<>(TameableWatcher.class, 1,
             Optional.empty());
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public static MetaIndex<ItemStack> THROWABLE_ITEM = new MetaIndex<>(ThrowableWatcher.class, 0,
             new ItemStack(Material.AIR));
 
@@ -496,7 +539,7 @@ public class MetaIndex<Y> {
 
     public static MetaIndex<Byte> TRIDENT_ENCHANTS = new MetaIndex<>(TridentWatcher.class, 0, (byte) 0);
 
-    @NmsAdded(added = NmsVersion.v1_15)
+    @NmsAddedIn(val = NmsVersion.v1_15)
     public static MetaIndex<Boolean> TRIDENT_ENCHANTED = new MetaIndex<>(TridentWatcher.class, 1, false);
 
     public static MetaIndex<Integer> TROPICAL_FISH_VARIANT = new MetaIndex<>(TropicalFishWatcher.class, 0, 0);
@@ -517,10 +560,16 @@ public class MetaIndex<Y> {
 
     public static MetaIndex<Byte> VEX_ANGRY = new MetaIndex<>(VexWatcher.class, 0, (byte) 0);
 
+    @NmsRemovedIn(val = NmsVersion.v1_14)
+    public static MetaIndex<Integer> VILLAGER_PROFESSION = new MetaIndex<>(VillagerWatcher.class, 0, 0);
+
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public static MetaIndex<Integer> ABSTRACT_VILLAGER_ANGRY = new MetaIndex<>(AbstractVillagerWatcher.class, 0, 0);
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public static MetaIndex<VillagerData> VILLAGER_DATA = new MetaIndex<>(VillagerWatcher.class, 0,
-            new VillagerData(Villager.Type.PLAINS, Villager.Profession.NONE, 1));
+            NmsVersion.v1_14.isSupported() ? new VillagerData(Villager.Type.PLAINS, Villager.Profession.NONE, 1) :
+                    null);
 
     public static MetaIndex<Boolean> WITCH_AGGRESSIVE = new MetaIndex<>(WitchWatcher.class, 0, false);
 
@@ -536,19 +585,28 @@ public class MetaIndex<Y> {
 
     public static MetaIndex<Boolean> WOLF_BEGGING = new MetaIndex<>(WolfWatcher.class, 1, false);
 
-    @NmsRemoved(removed = NmsVersion.v1_15)
+    @NmsRemovedIn(val = NmsVersion.v1_15)
     public static MetaIndex<Float> WOLF_DAMAGE = new MetaIndex<>(WolfWatcher.class, 0, 1F);
 
     public static MetaIndex<Integer> WOLF_COLLAR = new MetaIndex<>(WolfWatcher.class, 2, 14);
 
+    @NmsRemovedIn(val = NmsVersion.v1_14)
+    public static MetaIndex<Boolean> ZOMBIE_AGGRESSIVE = new MetaIndex<>(ZombieWatcher.class, 2, false);
+
     public static MetaIndex<Boolean> ZOMBIE_BABY = new MetaIndex<>(ZombieWatcher.class, 0, false);
 
     public static MetaIndex<Boolean> ZOMBIE_CONVERTING_DROWNED = new MetaIndex<>(ZombieWatcher.class, 2, false);
 
     public static MetaIndex<Integer> ZOMBIE_PLACEHOLDER = new MetaIndex<>(ZombieWatcher.class, 1, 0);
 
+    @NmsRemovedIn(val = NmsVersion.v1_14)
+    public static MetaIndex<Integer> ZOMBIE_VILLAGER_PROFESSION_OLD = new MetaIndex<>(ZombieVillagerWatcher.class, 1,
+            0);
+
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public static MetaIndex<VillagerData> ZOMBIE_VILLAGER_PROFESSION = new MetaIndex<>(ZombieVillagerWatcher.class, 1,
-            new VillagerData(Villager.Type.PLAINS, Villager.Profession.NONE, 1));
+            NmsVersion.v1_14.isSupported() ? new VillagerData(Villager.Type.PLAINS, Villager.Profession.NONE, 1) :
+                    null);
 
     /**
      * Shown for villager conversion
@@ -561,35 +619,20 @@ public class MetaIndex<Y> {
         orderMetaIndexes();
     }
 
-    @Deprecated
     private static void eliminateBlankIndexes() {
-        ArrayList<Entry<Class, ArrayList<MetaIndex>>> list = new ArrayList<>();
+        HashMap<Class, ArrayList<MetaIndex>> metas = new HashMap<>();
 
         for (MetaIndex index : values()) {
-            Entry<Class, ArrayList<MetaIndex>> entry = null;
-
-            for (Entry e : list) {
-                if (e.getKey() != index.getFlagWatcher())
-                    continue;
-
-                entry = e;
-                break;
-            }
-
-            if (entry == null) {
-                entry = new AbstractMap.SimpleEntry(index.getFlagWatcher(), new ArrayList<MetaIndex>());
-
-                list.add(entry);
-            }
-
-            entry.getValue().add(index);
+            metas.computeIfAbsent(index.getFlagWatcher(), (a) -> new ArrayList<>()).add(index);
         }
 
-        for (Entry<Class, ArrayList<MetaIndex>> entry : list) {
-            entry.getValue().sort(Comparator.comparingInt(MetaIndex::getIndex));
+        for (ArrayList<MetaIndex> list : metas.values()) {
+            list.sort(Comparator.comparingInt(MetaIndex::getIndex));
 
-            for (MetaIndex ind : entry.getValue()) {
-                ind._index = entry.getValue().indexOf(ind);
+            int i = 0;
+
+            for (MetaIndex ind : list) {
+                ind._index = i++;
             }
         }
     }
@@ -599,7 +642,7 @@ public class MetaIndex<Y> {
             if (flagType.getFlagWatcher() == FlagWatcher.class)
                 continue;
 
-            flagType._index += getNoIndexes(flagType.getFlagWatcher().getSuperclass());
+            flagType._index += getNoIndexes(ReflectionManager.getSuperClass(flagType.getFlagWatcher()));
         }
     }
 
@@ -628,7 +671,7 @@ public class MetaIndex<Y> {
                     if (type.getIndex() != i)
                         continue;
 
-                    if (!type.getFlagWatcher().isAssignableFrom(entry.getKey()))
+                    if (!ReflectionManager.isAssignableFrom(entry.getKey(), type.getFlagWatcher()))
                         continue;
 
                     if (found != null) {
@@ -702,7 +745,7 @@ public class MetaIndex<Y> {
             if (type.getIndex() != flagNo)
                 continue;
 
-            if (!type.getFlagWatcher().isAssignableFrom(watcherClass))
+            if (!ReflectionManager.isAssignableFrom(watcherClass, type.getFlagWatcher()))
                 continue;
 
             return type;
@@ -719,7 +762,7 @@ public class MetaIndex<Y> {
         ArrayList<MetaIndex> list = new ArrayList<>();
 
         for (MetaIndex type : values()) {
-            if (type == null || !type.getFlagWatcher().isAssignableFrom(watcherClass))
+            if (type == null || !ReflectionManager.isAssignableFrom(watcherClass, type.getFlagWatcher()))
                 continue;
 
             list.add(type);
@@ -741,7 +784,7 @@ public class MetaIndex<Y> {
         }
 
         if (c != FlagWatcher.class) {
-            found += getNoIndexes(c.getSuperclass());
+            found += getNoIndexes(ReflectionManager.getSuperClass(c));
         }
 
         return found;
@@ -839,12 +882,13 @@ public class MetaIndex<Y> {
                 if (field.getType() != MetaIndex.class)
                     continue;
 
+                MetaIndex index = (MetaIndex) field.get(null);
+
                 if (!ReflectionManager.isSupported(field)) {
+                    index._index = -1;
                     continue;
                 }
 
-                MetaIndex index = (MetaIndex) field.get(null);
-
                 if (index == null)
                     continue;
 
diff --git a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/AbstractVillagerWatcher.java b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/AbstractVillagerWatcher.java
index dc73bbac..2c3fdb96 100644
--- a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/AbstractVillagerWatcher.java
+++ b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/AbstractVillagerWatcher.java
@@ -2,6 +2,8 @@ package me.libraryaddict.disguise.disguisetypes.watchers;
 
 import me.libraryaddict.disguise.disguisetypes.Disguise;
 import me.libraryaddict.disguise.disguisetypes.MetaIndex;
+import me.libraryaddict.disguise.utilities.reflection.NmsAddedIn;
+import me.libraryaddict.disguise.utilities.reflection.NmsVersion;
 
 /**
  * Created by libraryaddict on 18/05/2019.
@@ -11,16 +13,19 @@ public class AbstractVillagerWatcher extends AgeableWatcher {
         super(disguise);
     }
 
-    public void setAngry(int ticks) {
-        setData(MetaIndex.ABSTRACT_VILLAGER_ANGRY, ticks);
-        sendData(MetaIndex.ABSTRACT_VILLAGER_ANGRY);
-    }
-
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public int getAngry() {
         return getData(MetaIndex.ABSTRACT_VILLAGER_ANGRY);
     }
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public boolean isAngry() {
         return getAngry() > 0;
     }
+
+    @NmsAddedIn(val = NmsVersion.v1_14)
+    public void setAngry(int ticks) {
+        setData(MetaIndex.ABSTRACT_VILLAGER_ANGRY, ticks);
+        sendData(MetaIndex.ABSTRACT_VILLAGER_ANGRY);
+    }
 }
diff --git a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/ArrowWatcher.java b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/ArrowWatcher.java
index 521b56eb..6d7853f7 100644
--- a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/ArrowWatcher.java
+++ b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/ArrowWatcher.java
@@ -3,6 +3,8 @@ package me.libraryaddict.disguise.disguisetypes.watchers;
 import me.libraryaddict.disguise.disguisetypes.Disguise;
 import me.libraryaddict.disguise.disguisetypes.FlagWatcher;
 import me.libraryaddict.disguise.disguisetypes.MetaIndex;
+import me.libraryaddict.disguise.utilities.reflection.NmsAddedIn;
+import me.libraryaddict.disguise.utilities.reflection.NmsVersion;
 
 public class ArrowWatcher extends FlagWatcher {
     public ArrowWatcher(Disguise disguise) {
@@ -18,12 +20,14 @@ public class ArrowWatcher extends FlagWatcher {
         sendData(MetaIndex.ARROW_CRITICAL);
     }
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
+    public int getPierceLevel() {
+        return getData(MetaIndex.ARROW_PIERCE_LEVEL);
+    }
+
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public void setPierceLevel(int pierceLevel) {
         setData(MetaIndex.ARROW_PIERCE_LEVEL, (byte) pierceLevel);
         sendData(MetaIndex.ARROW_PIERCE_LEVEL);
     }
-
-    public int getPierceLevel() {
-        return getData(MetaIndex.ARROW_PIERCE_LEVEL);
-    }
 }
diff --git a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/BeeWatcher.java b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/BeeWatcher.java
index 148ddbff..248de427 100644
--- a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/BeeWatcher.java
+++ b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/BeeWatcher.java
@@ -2,10 +2,13 @@ package me.libraryaddict.disguise.disguisetypes.watchers;
 
 import me.libraryaddict.disguise.disguisetypes.Disguise;
 import me.libraryaddict.disguise.disguisetypes.MetaIndex;
+import me.libraryaddict.disguise.utilities.reflection.NmsAddedIn;
+import me.libraryaddict.disguise.utilities.reflection.NmsVersion;
 
 /**
  * Created by libraryaddict on 14/12/2019.
  */
+@NmsAddedIn(val = NmsVersion.v1_15)
 public class BeeWatcher extends AgeableWatcher {
     public BeeWatcher(Disguise disguise) {
         super(disguise);
diff --git a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/CatWatcher.java b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/CatWatcher.java
index f9ca8359..3492be16 100644
--- a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/CatWatcher.java
+++ b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/CatWatcher.java
@@ -4,6 +4,8 @@ import me.libraryaddict.disguise.disguisetypes.AnimalColor;
 import me.libraryaddict.disguise.disguisetypes.Disguise;
 import me.libraryaddict.disguise.disguisetypes.MetaIndex;
 import me.libraryaddict.disguise.utilities.parser.RandomDefaultValue;
+import me.libraryaddict.disguise.utilities.reflection.NmsAddedIn;
+import me.libraryaddict.disguise.utilities.reflection.NmsVersion;
 import org.bukkit.DyeColor;
 import org.bukkit.entity.Cat;
 
@@ -12,6 +14,7 @@ import java.util.Random;
 /**
  * Created by libraryaddict on 6/05/2019.
  */
+@NmsAddedIn(val = NmsVersion.v1_14)
 public class CatWatcher extends TameableWatcher {
     public CatWatcher(Disguise disguise) {
         super(disguise);
@@ -29,6 +32,10 @@ public class CatWatcher extends TameableWatcher {
         sendData(MetaIndex.CAT_TYPE);
     }
 
+    public DyeColor getCollarColor() {
+        return AnimalColor.getColorByWool(getData(MetaIndex.CAT_COLLAR)).getDyeColor();
+    }
+
     @Deprecated
     public void setCollarColor(AnimalColor color) {
         setCollarColor(color.getDyeColor());
@@ -47,8 +54,8 @@ public class CatWatcher extends TameableWatcher {
         sendData(MetaIndex.CAT_COLLAR);
     }
 
-    public DyeColor getCollarColor() {
-        return AnimalColor.getColorByWool(getData(MetaIndex.CAT_COLLAR)).getDyeColor();
+    public boolean isLyingDown() {
+        return getData(MetaIndex.CAT_LYING_DOWN);
     }
 
     public void setLyingDown(boolean value) {
@@ -56,16 +63,12 @@ public class CatWatcher extends TameableWatcher {
         sendData(MetaIndex.CAT_LYING_DOWN);
     }
 
-    public boolean isLyingDown() {
-        return getData(MetaIndex.CAT_LYING_DOWN);
+    public boolean isLookingUp() {
+        return getData(MetaIndex.CAT_LOOKING_UP);
     }
 
     public void setLookingUp(boolean value) {
         setData(MetaIndex.CAT_LOOKING_UP, value);
         sendData(MetaIndex.CAT_LOOKING_UP);
     }
-
-    public boolean isLookingUp() {
-        return getData(MetaIndex.CAT_LOOKING_UP);
-    }
 }
diff --git a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/EnderSignalWatcher.java b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/EnderSignalWatcher.java
index 592d40fd..81dde603 100644
--- a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/EnderSignalWatcher.java
+++ b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/EnderSignalWatcher.java
@@ -3,6 +3,8 @@ package me.libraryaddict.disguise.disguisetypes.watchers;
 import me.libraryaddict.disguise.disguisetypes.Disguise;
 import me.libraryaddict.disguise.disguisetypes.FlagWatcher;
 import me.libraryaddict.disguise.disguisetypes.MetaIndex;
+import me.libraryaddict.disguise.utilities.reflection.NmsAddedIn;
+import me.libraryaddict.disguise.utilities.reflection.NmsVersion;
 import org.bukkit.Material;
 import org.bukkit.inventory.ItemStack;
 
@@ -13,15 +15,19 @@ public class EnderSignalWatcher extends FlagWatcher {
     public EnderSignalWatcher(Disguise disguise) {
         super(disguise);
 
-        setItemStack(new ItemStack(Material.ENDER_EYE));
+        if (NmsVersion.v1_14.isSupported()) {
+            setItemStack(new ItemStack(Material.ENDER_EYE));
+        }
     }
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
+    public ItemStack getItemStack() {
+        return getData(MetaIndex.ENDER_SIGNAL_ITEM);
+    }
+
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public void setItemStack(ItemStack item) {
         setData(MetaIndex.ENDER_SIGNAL_ITEM, item);
         sendData(MetaIndex.ENDER_SIGNAL_ITEM);
     }
-
-    public ItemStack getItemStack() {
-        return getData(MetaIndex.ENDER_SIGNAL_ITEM);
-    }
 }
diff --git a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/FireballWatcher.java b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/FireballWatcher.java
index 6dd3e89e..1d2734d7 100644
--- a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/FireballWatcher.java
+++ b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/FireballWatcher.java
@@ -3,6 +3,8 @@ package me.libraryaddict.disguise.disguisetypes.watchers;
 import me.libraryaddict.disguise.disguisetypes.Disguise;
 import me.libraryaddict.disguise.disguisetypes.FlagWatcher;
 import me.libraryaddict.disguise.disguisetypes.MetaIndex;
+import me.libraryaddict.disguise.utilities.reflection.NmsAddedIn;
+import me.libraryaddict.disguise.utilities.reflection.NmsVersion;
 import org.bukkit.Material;
 import org.bukkit.inventory.ItemStack;
 
@@ -13,13 +15,17 @@ public class FireballWatcher extends FlagWatcher {
     public FireballWatcher(Disguise disguise) {
         super(disguise);
 
-        setData(MetaIndex.FIREBALL_ITEM, new ItemStack(Material.FIRE_CHARGE));
+        if (NmsVersion.v1_14.isSupported()) {
+            setData(MetaIndex.FIREBALL_ITEM, new ItemStack(Material.FIRE_CHARGE));
+        }
     }
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public ItemStack getItemStack() {
         return getData(MetaIndex.FIREBALL_ITEM);
     }
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public void setItemStack(ItemStack item) {
         setData(MetaIndex.FIREBALL_ITEM, item);
         sendData(MetaIndex.FIREBALL_ITEM);
diff --git a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/FireworkWatcher.java b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/FireworkWatcher.java
index 671ded22..6d0ca486 100644
--- a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/FireworkWatcher.java
+++ b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/FireworkWatcher.java
@@ -1,12 +1,13 @@
 package me.libraryaddict.disguise.disguisetypes.watchers;
 
+import me.libraryaddict.disguise.disguisetypes.Disguise;
+import me.libraryaddict.disguise.disguisetypes.FlagWatcher;
+import me.libraryaddict.disguise.disguisetypes.MetaIndex;
+import me.libraryaddict.disguise.utilities.reflection.NmsAddedIn;
+import me.libraryaddict.disguise.utilities.reflection.NmsVersion;
 import org.bukkit.Material;
 import org.bukkit.inventory.ItemStack;
 
-import me.libraryaddict.disguise.disguisetypes.Disguise;
-import me.libraryaddict.disguise.disguisetypes.MetaIndex;
-import me.libraryaddict.disguise.disguisetypes.FlagWatcher;
-
 import java.util.OptionalInt;
 
 public class FireworkWatcher extends FlagWatcher {
@@ -22,15 +23,6 @@ public class FireworkWatcher extends FlagWatcher {
         return getData(MetaIndex.FIREWORK_ITEM);
     }
 
-    public boolean isShotAtAngle() {
-        return getData(MetaIndex.FIREWORK_SHOT_AT_ANGLE);
-    }
-
-    public void setShotAtAngle(boolean shotAtAngle) {
-        setData(MetaIndex.FIREWORK_SHOT_AT_ANGLE, shotAtAngle);
-        sendData(MetaIndex.FIREWORK_SHOT_AT_ANGLE);
-    }
-
     public void setFirework(ItemStack newItem) {
         if (newItem == null) {
             newItem = new ItemStack(Material.AIR);
@@ -43,12 +35,38 @@ public class FireworkWatcher extends FlagWatcher {
         sendData(MetaIndex.FIREWORK_ITEM);
     }
 
-    public void setAttachedEntity(OptionalInt entityId) {
-        setData(MetaIndex.FIREWORK_ATTACHED_ENTITY, entityId);
-        sendData(MetaIndex.FIREWORK_ATTACHED_ENTITY);
+    @NmsAddedIn(val = NmsVersion.v1_14)
+    public boolean isShotAtAngle() {
+        return getData(MetaIndex.FIREWORK_SHOT_AT_ANGLE);
     }
 
-    public OptionalInt getAttachedEntity() {
+    @NmsAddedIn(val = NmsVersion.v1_14)
+    public void setShotAtAngle(boolean shotAtAngle) {
+        setData(MetaIndex.FIREWORK_SHOT_AT_ANGLE, shotAtAngle);
+        sendData(MetaIndex.FIREWORK_SHOT_AT_ANGLE);
+    }
+
+    @NmsAddedIn(val = NmsVersion.v1_14)
+    public OptionalInt getAttachedEntityOpt() {
         return getData(MetaIndex.FIREWORK_ATTACHED_ENTITY);
     }
+
+    public int getAttachedEntity() {
+        return getData(MetaIndex.FIREWORK_ATTACHED_ENTITY).orElse(0);
+    }
+
+    public void setAttachedEntity(int entityId) {
+        setAttachedEntity(entityId == 0 ? OptionalInt.empty() : OptionalInt.of(entityId));
+    }
+
+    @NmsAddedIn(val = NmsVersion.v1_14)
+    public void setAttachedEntity(OptionalInt entityId) {
+        if (NmsVersion.v1_14.isSupported()) {
+            setData(MetaIndex.FIREWORK_ATTACHED_ENTITY, entityId);
+            sendData(MetaIndex.FIREWORK_ATTACHED_ENTITY);
+        } else {
+            setData(MetaIndex.FIREWORK_ATTACHED_ENTITY_OLD, entityId.orElse(0));
+            sendData(MetaIndex.FIREWORK_ATTACHED_ENTITY_OLD);
+        }
+    }
 }
diff --git a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/FoxWatcher.java b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/FoxWatcher.java
index a5ef8bed..06a1e01e 100644
--- a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/FoxWatcher.java
+++ b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/FoxWatcher.java
@@ -3,6 +3,8 @@ package me.libraryaddict.disguise.disguisetypes.watchers;
 import me.libraryaddict.disguise.disguisetypes.Disguise;
 import me.libraryaddict.disguise.disguisetypes.MetaIndex;
 import me.libraryaddict.disguise.utilities.parser.RandomDefaultValue;
+import me.libraryaddict.disguise.utilities.reflection.NmsAddedIn;
+import me.libraryaddict.disguise.utilities.reflection.NmsVersion;
 import org.bukkit.entity.Fox;
 
 import java.util.Random;
@@ -10,6 +12,7 @@ import java.util.Random;
 /**
  * Created by libraryaddict on 6/05/2019.
  */
+@NmsAddedIn(val = NmsVersion.v1_14)
 public class FoxWatcher extends AgeableWatcher {
     public FoxWatcher(Disguise disguise) {
         super(disguise);
@@ -21,6 +24,10 @@ public class FoxWatcher extends AgeableWatcher {
         return getFoxFlag(1);
     }
 
+    public void setSitting(boolean value) {
+        setFoxFlag(1, value);
+    }
+
     public boolean isCrouching() {
         return getFoxFlag(4);
     }
@@ -29,10 +36,6 @@ public class FoxWatcher extends AgeableWatcher {
         setFoxFlag(4, value);
     }
 
-    public void setSitting(boolean value) {
-        setFoxFlag(1, value);
-    }
-
     public boolean isSleeping() {
         return getFoxFlag(32);
     }
@@ -51,38 +54,38 @@ public class FoxWatcher extends AgeableWatcher {
         sendData(MetaIndex.FOX_TYPE);
     }
 
-    public void setHeadTilted(boolean value) {
-        setFoxFlag(8, value);
-    }
-
     public boolean isHeadTilted() {
         return getFoxFlag(8);
     }
 
-    public void setSpringing(boolean value) {
-        setFoxFlag(16, value);
+    public void setHeadTilted(boolean value) {
+        setFoxFlag(8, value);
     }
 
     public boolean isSpringing() {
         return getFoxFlag(16);
     }
 
-    public void setTipToeing(boolean value) {
-        setFoxFlag(64, value);
+    public void setSpringing(boolean value) {
+        setFoxFlag(16, value);
     }
 
     public boolean isTipToeing() {
         return getFoxFlag(64);
     }
 
-    public void setAngry(boolean value) {
-        setFoxFlag(128, value);
+    public void setTipToeing(boolean value) {
+        setFoxFlag(64, value);
     }
 
     public boolean isAngry() {
         return getFoxFlag(128);
     }
 
+    public void setAngry(boolean value) {
+        setFoxFlag(128, value);
+    }
+
     private boolean getFoxFlag(int value) {
         return (getData(MetaIndex.FOX_META) & value) != 0;
     }
diff --git a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/HorseWatcher.java b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/HorseWatcher.java
index 3dc00f07..6a0bd25f 100644
--- a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/HorseWatcher.java
+++ b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/HorseWatcher.java
@@ -4,6 +4,8 @@ import me.libraryaddict.disguise.disguisetypes.Disguise;
 import me.libraryaddict.disguise.disguisetypes.MetaIndex;
 import me.libraryaddict.disguise.utilities.DisguiseUtilities;
 import me.libraryaddict.disguise.utilities.parser.RandomDefaultValue;
+import me.libraryaddict.disguise.utilities.reflection.NmsVersion;
+import org.bukkit.Material;
 import org.bukkit.entity.Horse.Color;
 import org.bukkit.entity.Horse.Style;
 import org.bukkit.inventory.ItemStack;
@@ -20,27 +22,46 @@ public class HorseWatcher extends AbstractHorseWatcher {
         return Color.values()[(getData(MetaIndex.HORSE_COLOR) & 0xFF)];
     }
 
-    public Style getStyle() {
-        return Style.values()[(getData(MetaIndex.HORSE_COLOR) >>> 8)];
-    }
-
     @RandomDefaultValue
     public void setColor(Color color) {
         setData(MetaIndex.HORSE_COLOR, color.ordinal() & 0xFF | getStyle().ordinal() << 8);
         sendData(MetaIndex.HORSE_COLOR);
     }
 
+    public Style getStyle() {
+        return Style.values()[(getData(MetaIndex.HORSE_COLOR) >>> 8)];
+    }
+
     @RandomDefaultValue
     public void setStyle(Style style) {
         setData(MetaIndex.HORSE_COLOR, getColor().ordinal() & 0xFF | style.ordinal() << 8);
         sendData(MetaIndex.HORSE_COLOR);
     }
 
-    public void setHorseArmor(ItemStack item) {
-        getEquipment().setChestplate(item);
-    }
-
     public ItemStack getHorseArmor() {
         return getEquipment().getChestplate();
     }
+
+    public void setHorseArmor(ItemStack item) {
+        getEquipment().setChestplate(item);
+
+        if (!NmsVersion.v1_14.isSupported()) {
+            int value = 0;
+
+            if (item != null) {
+                Material mat = item.getType();
+
+                if (mat == Material.IRON_HORSE_ARMOR) {
+                    value = 1;
+                } else if (mat == Material.GOLDEN_HORSE_ARMOR) {
+                    value = 2;
+                } else if (mat == Material.DIAMOND_HORSE_ARMOR) {
+                    value = 3;
+                }
+            }
+
+            setData(MetaIndex.HORSE_ARMOR, value);
+            sendData(MetaIndex.HORSE_ARMOR);
+        }
+    }
 }
diff --git a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/IllagerWizardWatcher.java b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/IllagerWizardWatcher.java
index a49579db..70488b02 100644
--- a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/IllagerWizardWatcher.java
+++ b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/IllagerWizardWatcher.java
@@ -2,6 +2,9 @@ package me.libraryaddict.disguise.disguisetypes.watchers;
 
 import me.libraryaddict.disguise.disguisetypes.Disguise;
 import me.libraryaddict.disguise.disguisetypes.MetaIndex;
+import me.libraryaddict.disguise.utilities.reflection.NmsAddedIn;
+import me.libraryaddict.disguise.utilities.reflection.NmsRemovedIn;
+import me.libraryaddict.disguise.utilities.reflection.NmsVersion;
 import org.bukkit.entity.Spellcaster;
 
 public class IllagerWizardWatcher extends IllagerWatcher {
@@ -9,12 +12,27 @@ public class IllagerWizardWatcher extends IllagerWatcher {
         super(disguise);
     }
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
+    public Spellcaster.Spell getSpell() {
+        return Spellcaster.Spell.values()[getData(MetaIndex.ILLAGER_SPELL)];
+    }
+
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public void setSpell(Spellcaster.Spell spell) {
         setData(MetaIndex.ILLAGER_SPELL, (byte) spell.ordinal());
         sendData(MetaIndex.ILLAGER_SPELL);
     }
 
-    public Spellcaster.Spell getSpell() {
-        return Spellcaster.Spell.values()[getData(MetaIndex.ILLAGER_SPELL)];
+    @Deprecated
+    @NmsRemovedIn(val = NmsVersion.v1_14)
+    public int getSpellTicks() {
+        return getData(MetaIndex.ILLAGER_SPELL_TICKS);
+    }
+
+    @Deprecated
+    @NmsRemovedIn(val = NmsVersion.v1_14)
+    public void setSpellTicks(int spellTicks) {
+        setData(MetaIndex.ILLAGER_SPELL_TICKS, (byte) spellTicks);
+        sendData(MetaIndex.ILLAGER_SPELL_TICKS);
     }
 }
diff --git a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/LivingWatcher.java b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/LivingWatcher.java
index 6de51820..b040dc99 100644
--- a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/LivingWatcher.java
+++ b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/LivingWatcher.java
@@ -11,6 +11,8 @@ import me.libraryaddict.disguise.disguisetypes.Disguise;
 import me.libraryaddict.disguise.disguisetypes.FlagWatcher;
 import me.libraryaddict.disguise.disguisetypes.MetaIndex;
 import me.libraryaddict.disguise.utilities.DisguiseUtilities;
+import me.libraryaddict.disguise.utilities.reflection.NmsAddedIn;
+import me.libraryaddict.disguise.utilities.reflection.NmsVersion;
 import org.bukkit.Color;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.Player;
@@ -38,6 +40,12 @@ public class LivingWatcher extends FlagWatcher {
         return clone;
     }
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
+    public BlockPosition getBedPosition() {
+        return getData(MetaIndex.LIVING_BED_POSITION).orElse(null);
+    }
+
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public void setBedPosition(BlockPosition blockPosition) {
         Optional<BlockPosition> optional;
 
@@ -51,22 +59,61 @@ public class LivingWatcher extends FlagWatcher {
         sendData(MetaIndex.LIVING_BED_POSITION);
     }
 
-    public BlockPosition getBedPosition() {
-        return getData(MetaIndex.LIVING_BED_POSITION).orElse(null);
-    }
-
     public float getHealth() {
         return getData(MetaIndex.LIVING_HEALTH);
     }
 
+    public void setHealth(float health) {
+        setData(MetaIndex.LIVING_HEALTH, health);
+        sendData(MetaIndex.LIVING_HEALTH);
+    }
+
     public double getMaxHealth() {
         return maxHealth;
     }
 
+    public void setMaxHealth(double newHealth) {
+        this.maxHealth = newHealth;
+        this.maxHealthSet = true;
+
+        if (DisguiseAPI.isDisguiseInUse(getDisguise()) && getDisguise().getWatcher() == this) {
+            PacketContainer packet = new PacketContainer(Server.UPDATE_ATTRIBUTES);
+
+            List<WrappedAttribute> attributes = new ArrayList<>();
+
+            Builder builder;
+            builder = WrappedAttribute.newBuilder();
+            builder.attributeKey("generic.maxHealth");
+            builder.baseValue(getMaxHealth());
+            builder.packet(packet);
+
+            attributes.add(builder.build());
+
+            Entity entity = getDisguise().getEntity();
+
+            packet.getIntegers().write(0, entity.getEntityId());
+            packet.getAttributeCollectionModifier().write(0, attributes);
+
+            for (Player player : DisguiseUtilities.getPerverts(getDisguise())) {
+                try {
+                    ProtocolLibrary.getProtocolManager().sendServerPacket(player, packet, false);
+                }
+                catch (InvocationTargetException e) {
+                    e.printStackTrace();
+                }
+            }
+        }
+    }
+
     public boolean isPotionParticlesAmbient() {
         return getData(MetaIndex.LIVING_POTION_AMBIENT);
     }
 
+    public void setPotionParticlesAmbient(boolean particles) {
+        setData(MetaIndex.LIVING_POTION_AMBIENT, particles);
+        sendData(MetaIndex.LIVING_POTION_AMBIENT);
+    }
+
     public Color getParticlesColor() {
         int color = getData(MetaIndex.LIVING_POTIONS);
         return Color.fromRGB(color);
@@ -151,21 +198,11 @@ public class LivingWatcher extends FlagWatcher {
         sendPotionEffects();
     }
 
-    public void setPotionParticlesAmbient(boolean particles) {
-        setData(MetaIndex.LIVING_POTION_AMBIENT, particles);
-        sendData(MetaIndex.LIVING_POTION_AMBIENT);
-    }
-
     private void sendPotionEffects() {
         setData(MetaIndex.LIVING_POTIONS, getPotions());
         sendData(MetaIndex.LIVING_POTIONS);
     }
 
-    public void setHealth(float health) {
-        setData(MetaIndex.LIVING_HEALTH, health);
-        sendData(MetaIndex.LIVING_HEALTH);
-    }
-
     public int getArrowsSticking() {
         return getData(MetaIndex.LIVING_ARROWS);
     }
@@ -174,37 +211,4 @@ public class LivingWatcher extends FlagWatcher {
         setData(MetaIndex.LIVING_ARROWS, Math.max(0, Math.min(127, arrowsNo)));
         sendData(MetaIndex.LIVING_ARROWS);
     }
-
-    public void setMaxHealth(double newHealth) {
-        this.maxHealth = newHealth;
-        this.maxHealthSet = true;
-
-        if (DisguiseAPI.isDisguiseInUse(getDisguise()) && getDisguise().getWatcher() == this) {
-            PacketContainer packet = new PacketContainer(Server.UPDATE_ATTRIBUTES);
-
-            List<WrappedAttribute> attributes = new ArrayList<>();
-
-            Builder builder;
-            builder = WrappedAttribute.newBuilder();
-            builder.attributeKey("generic.maxHealth");
-            builder.baseValue(getMaxHealth());
-            builder.packet(packet);
-
-            attributes.add(builder.build());
-
-            Entity entity = getDisguise().getEntity();
-
-            packet.getIntegers().write(0, entity.getEntityId());
-            packet.getAttributeCollectionModifier().write(0, attributes);
-
-            for (Player player : DisguiseUtilities.getPerverts(getDisguise())) {
-                try {
-                    ProtocolLibrary.getProtocolManager().sendServerPacket(player, packet, false);
-                }
-                catch (InvocationTargetException e) {
-                    e.printStackTrace();
-                }
-            }
-        }
-    }
 }
diff --git a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/MushroomCowWatcher.java b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/MushroomCowWatcher.java
index 8ddcaf57..9e3690ea 100644
--- a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/MushroomCowWatcher.java
+++ b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/MushroomCowWatcher.java
@@ -2,6 +2,8 @@ package me.libraryaddict.disguise.disguisetypes.watchers;
 
 import me.libraryaddict.disguise.disguisetypes.Disguise;
 import me.libraryaddict.disguise.disguisetypes.MetaIndex;
+import me.libraryaddict.disguise.utilities.reflection.NmsAddedIn;
+import me.libraryaddict.disguise.utilities.reflection.NmsVersion;
 import org.bukkit.entity.MushroomCow;
 
 /**
@@ -12,10 +14,12 @@ public class MushroomCowWatcher extends AgeableWatcher {
         super(disguise);
     }
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public MushroomCow.Variant getVariant() {
         return MushroomCow.Variant.valueOf(getData(MetaIndex.MUSHROOM_COW_TYPE).toUpperCase());
     }
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public void setVariant(MushroomCow.Variant variant) {
         setData(MetaIndex.MUSHROOM_COW_TYPE, variant.name().toLowerCase());
         sendData(MetaIndex.MUSHROOM_COW_TYPE);
diff --git a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/OcelotWatcher.java b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/OcelotWatcher.java
index 2ccd72e5..9cd7ac9b 100644
--- a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/OcelotWatcher.java
+++ b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/OcelotWatcher.java
@@ -1,10 +1,11 @@
 package me.libraryaddict.disguise.disguisetypes.watchers;
 
-import org.bukkit.entity.Ocelot;
-import org.bukkit.entity.Ocelot.Type;
-
 import me.libraryaddict.disguise.disguisetypes.Disguise;
 import me.libraryaddict.disguise.disguisetypes.MetaIndex;
+import me.libraryaddict.disguise.utilities.reflection.NmsAddedIn;
+import me.libraryaddict.disguise.utilities.reflection.NmsRemovedIn;
+import me.libraryaddict.disguise.utilities.reflection.NmsVersion;
+import org.bukkit.entity.Ocelot;
 
 public class OcelotWatcher extends AgeableWatcher {
 
@@ -12,12 +13,27 @@ public class OcelotWatcher extends AgeableWatcher {
         super(disguise);
     }
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public boolean isTrusting() {
         return getData(MetaIndex.OCELOT_TRUST);
     }
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public void setTrusting(boolean trusting) {
         setData(MetaIndex.OCELOT_TRUST, trusting);
         sendData(MetaIndex.OCELOT_TRUST);
     }
+
+    @NmsRemovedIn(val = NmsVersion.v1_14)
+    @Deprecated
+    public Ocelot.Type getType() {
+        return Ocelot.Type.getType(getData(MetaIndex.OCELOT_TYPE));
+    }
+
+    @NmsRemovedIn(val = NmsVersion.v1_14)
+    @Deprecated
+    public void setType(Ocelot.Type newType) {
+        setData(MetaIndex.OCELOT_TYPE, newType.getId());
+        sendData(MetaIndex.OCELOT_TYPE);
+    }
 }
diff --git a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/PandaWatcher.java b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/PandaWatcher.java
index 404177ef..b19debe3 100644
--- a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/PandaWatcher.java
+++ b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/PandaWatcher.java
@@ -3,6 +3,8 @@ package me.libraryaddict.disguise.disguisetypes.watchers;
 import me.libraryaddict.disguise.disguisetypes.Disguise;
 import me.libraryaddict.disguise.disguisetypes.MetaIndex;
 import me.libraryaddict.disguise.utilities.parser.RandomDefaultValue;
+import me.libraryaddict.disguise.utilities.reflection.NmsAddedIn;
+import me.libraryaddict.disguise.utilities.reflection.NmsVersion;
 import org.bukkit.entity.Panda;
 
 import java.util.Random;
@@ -10,6 +12,7 @@ import java.util.Random;
 /**
  * Created by libraryaddict on 6/05/2019.
  */
+@NmsAddedIn(val = NmsVersion.v1_14)
 public class PandaWatcher extends AgeableWatcher {
     public PandaWatcher(Disguise disguise) {
         super(disguise);
@@ -32,6 +35,12 @@ public class PandaWatcher extends AgeableWatcher {
         return Panda.Gene.NORMAL;
     }
 
+    @RandomDefaultValue
+    public void setMainGene(Panda.Gene gene) {
+        setData(MetaIndex.PANDA_MAIN_GENE, (byte) gene.ordinal());
+        sendData(MetaIndex.PANDA_MAIN_GENE);
+    }
+
     public Panda.Gene getHiddenGene() {
         int id = getData(MetaIndex.PANDA_HIDDEN_GENE);
 
@@ -46,59 +55,53 @@ public class PandaWatcher extends AgeableWatcher {
         return Panda.Gene.NORMAL;
     }
 
-    @RandomDefaultValue
-    public void setMainGene(Panda.Gene gene) {
-        setData(MetaIndex.PANDA_MAIN_GENE, (byte) gene.ordinal());
-        sendData(MetaIndex.PANDA_MAIN_GENE);
-    }
-
     @RandomDefaultValue
     public void setHiddenGene(Panda.Gene gene) {
         setData(MetaIndex.PANDA_HIDDEN_GENE, (byte) gene.ordinal());
         sendData(MetaIndex.PANDA_HIDDEN_GENE);
     }
 
-    public void setSneeze(boolean value) {
-        setPandaFlag(2, value);
-    }
-
     public boolean isSneeze() {
         return getPandaFlag(2);
     }
 
-    public void setTumble(boolean value) {
-        setPandaFlag(4, value);
+    public void setSneeze(boolean value) {
+        setPandaFlag(2, value);
     }
 
     public boolean isTumble() {
         return getPandaFlag(4);
     }
 
-    public void setSitting(boolean value) {
-        setPandaFlag(8, value);
+    public void setTumble(boolean value) {
+        setPandaFlag(4, value);
     }
 
     public boolean isSitting() {
         return getPandaFlag(8);
     }
 
-    public void setUpsideDown(boolean value) {
-        setPandaFlag(16, value);
+    public void setSitting(boolean value) {
+        setPandaFlag(8, value);
     }
 
     public boolean isUpsideDown() {
         return getPandaFlag(16);
     }
 
-    public void setHeadShaking(int timeInTicks) {
-        setData(MetaIndex.PANDA_HEAD_SHAKING, timeInTicks);
-        sendData(MetaIndex.PANDA_HEAD_SHAKING);
+    public void setUpsideDown(boolean value) {
+        setPandaFlag(16, value);
     }
 
     public int getHeadShaking() {
         return getHeadShakingTicks();
     }
 
+    public void setHeadShaking(int timeInTicks) {
+        setData(MetaIndex.PANDA_HEAD_SHAKING, timeInTicks);
+        sendData(MetaIndex.PANDA_HEAD_SHAKING);
+    }
+
     @Deprecated
     public int getHeadShakingTicks() {
         return getData(MetaIndex.PANDA_HEAD_SHAKING);
diff --git a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/PillagerWatcher.java b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/PillagerWatcher.java
index 39578a7a..066c54c1 100644
--- a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/PillagerWatcher.java
+++ b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/PillagerWatcher.java
@@ -2,21 +2,24 @@ package me.libraryaddict.disguise.disguisetypes.watchers;
 
 import me.libraryaddict.disguise.disguisetypes.Disguise;
 import me.libraryaddict.disguise.disguisetypes.MetaIndex;
+import me.libraryaddict.disguise.utilities.reflection.NmsAddedIn;
+import me.libraryaddict.disguise.utilities.reflection.NmsVersion;
 
 /**
  * Created by libraryaddict on 6/05/2019.
  */
+@NmsAddedIn(val = NmsVersion.v1_14)
 public class PillagerWatcher extends IllagerWatcher {
     public PillagerWatcher(Disguise disguise) {
         super(disguise);
     }
 
+    public boolean isAimingBow() {
+        return getData(MetaIndex.PILLAGER_AIMING_BOW);
+    }
+
     public void setAimingBow(boolean value) {
         setData(MetaIndex.PILLAGER_AIMING_BOW, value);
         sendData(MetaIndex.PILLAGER_AIMING_BOW);
     }
-
-    public boolean isAimingBow() {
-        return getData(MetaIndex.PILLAGER_AIMING_BOW);
-    }
 }
diff --git a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/RavagerWatcher.java b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/RavagerWatcher.java
index d453fbe9..9d7b03ae 100644
--- a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/RavagerWatcher.java
+++ b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/RavagerWatcher.java
@@ -1,10 +1,13 @@
 package me.libraryaddict.disguise.disguisetypes.watchers;
 
 import me.libraryaddict.disguise.disguisetypes.Disguise;
+import me.libraryaddict.disguise.utilities.reflection.NmsAddedIn;
+import me.libraryaddict.disguise.utilities.reflection.NmsVersion;
 
 /**
  * Created by libraryaddict on 6/05/2019.
  */
+@NmsAddedIn(val = NmsVersion.v1_14)
 public class RavagerWatcher extends RaiderWatcher {
     public RavagerWatcher(Disguise disguise) {
         super(disguise);
diff --git a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/SkeletonWatcher.java b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/SkeletonWatcher.java
index e3ee938f..1223ed0c 100644
--- a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/SkeletonWatcher.java
+++ b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/SkeletonWatcher.java
@@ -2,6 +2,8 @@ package me.libraryaddict.disguise.disguisetypes.watchers;
 
 import me.libraryaddict.disguise.disguisetypes.Disguise;
 import me.libraryaddict.disguise.disguisetypes.MetaIndex;
+import me.libraryaddict.disguise.utilities.reflection.NmsRemovedIn;
+import me.libraryaddict.disguise.utilities.reflection.NmsVersion;
 
 /**
  * @author Navid
@@ -10,4 +12,17 @@ public class SkeletonWatcher extends InsentientWatcher {
     public SkeletonWatcher(Disguise disguise) {
         super(disguise);
     }
+
+    @Deprecated
+    @NmsRemovedIn(val = NmsVersion.v1_14)
+    public boolean isSwingArms() {
+        return getData(MetaIndex.SKELETON_SWING_ARMS);
+    }
+
+    @Deprecated
+    @NmsRemovedIn(val = NmsVersion.v1_14)
+    public void setSwingArms(boolean swingingArms) {
+        setData(MetaIndex.SKELETON_SWING_ARMS, swingingArms);
+        sendData(MetaIndex.SKELETON_SWING_ARMS);
+    }
 }
diff --git a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/ThrowableWatcher.java b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/ThrowableWatcher.java
index bc593fd3..287292f1 100644
--- a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/ThrowableWatcher.java
+++ b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/ThrowableWatcher.java
@@ -4,6 +4,8 @@ import me.libraryaddict.disguise.disguisetypes.Disguise;
 import me.libraryaddict.disguise.disguisetypes.FlagWatcher;
 import me.libraryaddict.disguise.disguisetypes.MetaIndex;
 import me.libraryaddict.disguise.utilities.parser.RandomDefaultValue;
+import me.libraryaddict.disguise.utilities.reflection.NmsAddedIn;
+import me.libraryaddict.disguise.utilities.reflection.NmsVersion;
 import org.bukkit.inventory.ItemStack;
 
 /**
@@ -13,16 +15,20 @@ public abstract class ThrowableWatcher extends FlagWatcher {
     public ThrowableWatcher(Disguise disguise) {
         super(disguise);
 
-        setItemStack(getDefaultItemStack());
+        if (NmsVersion.v1_14.isSupported()) {
+            setItemStack(getDefaultItemStack());
+        }
     }
 
     protected abstract ItemStack getDefaultItemStack();
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public ItemStack getItemStack() {
         return getData(MetaIndex.THROWABLE_ITEM);
     }
 
     @RandomDefaultValue
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public void setItemStack(ItemStack item) {
         setData(MetaIndex.THROWABLE_ITEM, item);
         sendData(MetaIndex.THROWABLE_ITEM);
diff --git a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/TraderLlamaWatcher.java b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/TraderLlamaWatcher.java
index d66f668d..e5aca0cb 100644
--- a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/TraderLlamaWatcher.java
+++ b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/TraderLlamaWatcher.java
@@ -1,10 +1,13 @@
 package me.libraryaddict.disguise.disguisetypes.watchers;
 
 import me.libraryaddict.disguise.disguisetypes.Disguise;
+import me.libraryaddict.disguise.utilities.reflection.NmsAddedIn;
+import me.libraryaddict.disguise.utilities.reflection.NmsVersion;
 
 /**
  * Created by libraryaddict on 6/05/2019.
  */
+@NmsAddedIn(val = NmsVersion.v1_14)
 public class TraderLlamaWatcher extends LlamaWatcher {
     public TraderLlamaWatcher(Disguise disguise) {
         super(disguise);
diff --git a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/TridentWatcher.java b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/TridentWatcher.java
index 8d233f06..1be1f9bd 100644
--- a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/TridentWatcher.java
+++ b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/TridentWatcher.java
@@ -2,7 +2,7 @@ package me.libraryaddict.disguise.disguisetypes.watchers;
 
 import me.libraryaddict.disguise.disguisetypes.Disguise;
 import me.libraryaddict.disguise.disguisetypes.MetaIndex;
-import me.libraryaddict.disguise.utilities.reflection.NmsAdded;
+import me.libraryaddict.disguise.utilities.reflection.NmsAddedIn;
 import me.libraryaddict.disguise.utilities.reflection.NmsVersion;
 
 /**
@@ -13,12 +13,12 @@ public class TridentWatcher extends ArrowWatcher {
         super(disguise);
     }
 
-    @NmsAdded(added = NmsVersion.v1_15)
+    @NmsAddedIn(val = NmsVersion.v1_15)
     public boolean isEnchanted() {
         return getData(MetaIndex.TRIDENT_ENCHANTED);
     }
 
-    @NmsAdded(added = NmsVersion.v1_15)
+    @NmsAddedIn(val = NmsVersion.v1_15)
     public void setEnchanted(boolean enchanted) {
         setData(MetaIndex.TRIDENT_ENCHANTED, enchanted);
         sendData(MetaIndex.TRIDENT_ENCHANTED);
diff --git a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/VillagerWatcher.java b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/VillagerWatcher.java
index af8bd766..20c1f5b2 100644
--- a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/VillagerWatcher.java
+++ b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/VillagerWatcher.java
@@ -5,6 +5,8 @@ import me.libraryaddict.disguise.disguisetypes.MetaIndex;
 import me.libraryaddict.disguise.disguisetypes.VillagerData;
 import me.libraryaddict.disguise.utilities.DisguiseUtilities;
 import me.libraryaddict.disguise.utilities.parser.RandomDefaultValue;
+import me.libraryaddict.disguise.utilities.reflection.NmsAddedIn;
+import me.libraryaddict.disguise.utilities.reflection.NmsVersion;
 import org.bukkit.entity.Villager;
 import org.bukkit.entity.Villager.Profession;
 
@@ -16,46 +18,63 @@ public class VillagerWatcher extends AbstractVillagerWatcher {
         setProfession(Profession.values()[DisguiseUtilities.random.nextInt(Profession.values().length)]);
     }
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public VillagerData getVillagerData() {
         return getData(MetaIndex.VILLAGER_DATA);
     }
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public void setVillagerData(VillagerData villagerData) {
         setData(MetaIndex.VILLAGER_DATA, villagerData);
         sendData(MetaIndex.VILLAGER_DATA);
     }
 
     public Profession getProfession() {
-        return getVillagerData().getProfession();
-    }
+        if (NmsVersion.v1_14.isSupported()) {
+            return getVillagerData().getProfession();
+        }
 
-    @Deprecated
-    public Villager.Type getType() {
-        return getVillagerData().getType();
-    }
-
-    public Villager.Type getBiome() {
-        return getType();
-    }
-
-    public void setBiome(Villager.Type type) {
-        setType(type);
-    }
-
-    public int getLevel() {
-        return getVillagerData().getLevel();
+        return Profession.values()[getData(MetaIndex.VILLAGER_PROFESSION) + 1];
     }
 
     @RandomDefaultValue
     public void setProfession(Profession profession) {
-        setVillagerData(new VillagerData(getType(), profession, getLevel()));
+        if (NmsVersion.v1_14.isSupported()) {
+            setVillagerData(new VillagerData(getType(), profession, getLevel()));
+        } else {
+            setData(MetaIndex.VILLAGER_PROFESSION, profession.ordinal() - 1);
+            sendData(MetaIndex.VILLAGER_PROFESSION);
+        }
     }
 
     @Deprecated
+    @NmsAddedIn(val = NmsVersion.v1_14)
+    public Villager.Type getType() {
+        return getVillagerData().getType();
+    }
+
+    @Deprecated
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public void setType(Villager.Type type) {
         setVillagerData(new VillagerData(type, getProfession(), getLevel()));
     }
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
+    public Villager.Type getBiome() {
+        return getType();
+    }
+
+    @NmsAddedIn(val = NmsVersion.v1_14)
+    public void setBiome(Villager.Type type) {
+        setType(type);
+    }
+
+    @NmsAddedIn(val = NmsVersion.v1_14)
+    public int getLevel() {
+        return getVillagerData().getLevel();
+    }
+
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public void setLevel(int level) {
         setVillagerData(new VillagerData(getType(), getProfession(), getLevel()));
     }
diff --git a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/VindicatorWatcher.java b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/VindicatorWatcher.java
index 6985be1c..b2bd3162 100644
--- a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/VindicatorWatcher.java
+++ b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/VindicatorWatcher.java
@@ -2,10 +2,25 @@ package me.libraryaddict.disguise.disguisetypes.watchers;
 
 import me.libraryaddict.disguise.disguisetypes.Disguise;
 import me.libraryaddict.disguise.disguisetypes.MetaIndex;
+import me.libraryaddict.disguise.utilities.reflection.NmsRemovedIn;
+import me.libraryaddict.disguise.utilities.reflection.NmsVersion;
 
 public class VindicatorWatcher extends IllagerWatcher {
 
     public VindicatorWatcher(Disguise disguise) {
         super(disguise);
     }
+
+    @Deprecated
+    @NmsRemovedIn(val = NmsVersion.v1_14)
+    public boolean isJohnny() {
+        return getData(MetaIndex.ILLAGER_META) == 1;
+    }
+
+    @Deprecated
+    @NmsRemovedIn(val = NmsVersion.v1_14)
+    public void setJohnny(boolean isJohnny) {
+        setData(MetaIndex.ILLAGER_META, (byte) (isJohnny ? 1 : 0));
+        sendData(MetaIndex.ILLAGER_META);
+    }
 }
diff --git a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/WolfWatcher.java b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/WolfWatcher.java
index af6e3efc..ad63765f 100644
--- a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/WolfWatcher.java
+++ b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/WolfWatcher.java
@@ -3,7 +3,7 @@ package me.libraryaddict.disguise.disguisetypes.watchers;
 import me.libraryaddict.disguise.disguisetypes.AnimalColor;
 import me.libraryaddict.disguise.disguisetypes.Disguise;
 import me.libraryaddict.disguise.disguisetypes.MetaIndex;
-import me.libraryaddict.disguise.utilities.reflection.NmsRemoved;
+import me.libraryaddict.disguise.utilities.reflection.NmsRemovedIn;
 import me.libraryaddict.disguise.utilities.reflection.NmsVersion;
 import org.bukkit.DyeColor;
 
@@ -57,7 +57,8 @@ public class WolfWatcher extends TameableWatcher {
      *
      * @return
      */
-    @NmsRemoved(removed = NmsVersion.v1_15)
+    @NmsRemovedIn(val = NmsVersion.v1_15)
+    @Deprecated
     public float getDamageTaken() {
         return getData(MetaIndex.WOLF_DAMAGE);
     }
@@ -67,7 +68,8 @@ public class WolfWatcher extends TameableWatcher {
      *
      * @param damage
      */
-    @NmsRemoved(removed = NmsVersion.v1_15)
+    @Deprecated
+    @NmsRemovedIn(val = NmsVersion.v1_15)
     public void setDamageTaken(float damage) {
         setData(MetaIndex.WOLF_DAMAGE, damage);
         sendData(MetaIndex.WOLF_DAMAGE);
diff --git a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/ZombieVillagerWatcher.java b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/ZombieVillagerWatcher.java
index c3a0bead..578ea5f5 100644
--- a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/ZombieVillagerWatcher.java
+++ b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/ZombieVillagerWatcher.java
@@ -4,6 +4,8 @@ import me.libraryaddict.disguise.disguisetypes.Disguise;
 import me.libraryaddict.disguise.disguisetypes.MetaIndex;
 import me.libraryaddict.disguise.disguisetypes.VillagerData;
 import me.libraryaddict.disguise.utilities.parser.RandomDefaultValue;
+import me.libraryaddict.disguise.utilities.reflection.NmsAddedIn;
+import me.libraryaddict.disguise.utilities.reflection.NmsVersion;
 import org.bukkit.entity.Villager;
 import org.bukkit.entity.Villager.Profession;
 
@@ -21,24 +23,30 @@ public class ZombieVillagerWatcher extends ZombieWatcher {
         return getData(MetaIndex.ZOMBIE_VILLAGER_SHAKING);
     }
 
+    public void setShaking(boolean shaking) {
+        setData(MetaIndex.ZOMBIE_VILLAGER_SHAKING, shaking);
+        sendData(MetaIndex.ZOMBIE_VILLAGER_SHAKING);
+    }
+
     /**
      * Is this zombie a villager?
      *
      * @return
      */
     public boolean isVillager() {
-        return getData(MetaIndex.ZOMBIE_VILLAGER_PROFESSION).getProfession() != Profession.NONE;
-    }
-
-    public void setShaking(boolean shaking) {
-        setData(MetaIndex.ZOMBIE_VILLAGER_SHAKING, shaking);
-        sendData(MetaIndex.ZOMBIE_VILLAGER_SHAKING);
+        if (NmsVersion.v1_14.isSupported()) {
+            return getData(MetaIndex.ZOMBIE_VILLAGER_PROFESSION).getProfession() != Profession.NONE;
+        } else {
+            return getData(MetaIndex.ZOMBIE_VILLAGER_PROFESSION_OLD) != 0;
+        }
     }
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public VillagerData getVillagerData() {
         return getData(MetaIndex.ZOMBIE_VILLAGER_PROFESSION);
     }
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public void setVillagerData(VillagerData villagerData) {
         setData(MetaIndex.ZOMBIE_VILLAGER_PROFESSION, villagerData);
         sendData(MetaIndex.ZOMBIE_VILLAGER_PROFESSION);
@@ -48,33 +56,44 @@ public class ZombieVillagerWatcher extends ZombieWatcher {
         return getVillagerData().getProfession();
     }
 
+    @RandomDefaultValue
+    public void setProfession(Profession profession) {
+        if (NmsVersion.v1_14.isSupported()) {
+            setVillagerData(new VillagerData(getType(), profession, getLevel()));
+        } else {
+            setData(MetaIndex.ZOMBIE_VILLAGER_PROFESSION_OLD, profession.ordinal() - 1);
+            sendData(MetaIndex.ZOMBIE_VILLAGER_PROFESSION_OLD);
+        }
+    }
+
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public Villager.Type getType() {
         return getVillagerData().getType();
     }
 
-    public int getLevel() {
-        return getVillagerData().getLevel();
-    }
-
-    @RandomDefaultValue
-    public void setProfession(Profession profession) {
-        setVillagerData(new VillagerData(getType(), profession, getLevel()));
-    }
-
     @Deprecated
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public void setType(Villager.Type type) {
         setVillagerData(new VillagerData(type, getProfession(), getLevel()));
     }
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
+    public int getLevel() {
+        return getVillagerData().getLevel();
+    }
+
     @Deprecated
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public void setLevel(int level) {
         setVillagerData(new VillagerData(getType(), getProfession(), getLevel()));
     }
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public Villager.Type getBiome() {
         return getType();
     }
 
+    @NmsAddedIn(val = NmsVersion.v1_14)
     public void setBiome(Villager.Type type) {
         setType(type);
     }
diff --git a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/ZombieWatcher.java b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/ZombieWatcher.java
index 4434d809..1079c04c 100644
--- a/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/ZombieWatcher.java
+++ b/src/main/java/me/libraryaddict/disguise/disguisetypes/watchers/ZombieWatcher.java
@@ -2,6 +2,8 @@ package me.libraryaddict.disguise.disguisetypes.watchers;
 
 import me.libraryaddict.disguise.disguisetypes.Disguise;
 import me.libraryaddict.disguise.disguisetypes.MetaIndex;
+import me.libraryaddict.disguise.utilities.reflection.NmsRemovedIn;
+import me.libraryaddict.disguise.utilities.reflection.NmsVersion;
 
 public class ZombieWatcher extends InsentientWatcher {
 
@@ -17,6 +19,11 @@ public class ZombieWatcher extends InsentientWatcher {
         return getData(MetaIndex.ZOMBIE_BABY);
     }
 
+    public void setBaby(boolean baby) {
+        setData(MetaIndex.ZOMBIE_BABY, baby);
+        sendData(MetaIndex.ZOMBIE_BABY);
+    }
+
     public void setAdult() {
         setBaby(false);
     }
@@ -25,11 +32,6 @@ public class ZombieWatcher extends InsentientWatcher {
         setBaby(true);
     }
 
-    public void setBaby(boolean baby) {
-        setData(MetaIndex.ZOMBIE_BABY, baby);
-        sendData(MetaIndex.ZOMBIE_BABY);
-    }
-
     public boolean isConverting() {
         return getData(MetaIndex.ZOMBIE_CONVERTING_DROWNED);
     }
@@ -38,4 +40,17 @@ public class ZombieWatcher extends InsentientWatcher {
         setData(MetaIndex.ZOMBIE_CONVERTING_DROWNED, converting);
         sendData(MetaIndex.ZOMBIE_CONVERTING_DROWNED);
     }
+
+    @Deprecated
+    @NmsRemovedIn(val = NmsVersion.v1_14)
+    public boolean isAggressive() {
+        return (boolean) getData(MetaIndex.ZOMBIE_AGGRESSIVE);
+    }
+
+    @Deprecated
+    @NmsRemovedIn(val = NmsVersion.v1_14)
+    public void setAggressive(boolean handsup) {
+        setData(MetaIndex.ZOMBIE_AGGRESSIVE, handsup);
+        sendData(MetaIndex.ZOMBIE_AGGRESSIVE);
+    }
 }
diff --git a/src/main/java/me/libraryaddict/disguise/utilities/DisguiseUtilities.java b/src/main/java/me/libraryaddict/disguise/utilities/DisguiseUtilities.java
index 851b0ab9..6aefecd9 100644
--- a/src/main/java/me/libraryaddict/disguise/utilities/DisguiseUtilities.java
+++ b/src/main/java/me/libraryaddict/disguise/utilities/DisguiseUtilities.java
@@ -22,14 +22,10 @@ import me.libraryaddict.disguise.utilities.json.*;
 import me.libraryaddict.disguise.utilities.mineskin.MineSkinAPI;
 import me.libraryaddict.disguise.utilities.packets.LibsPackets;
 import me.libraryaddict.disguise.utilities.packets.PacketsManager;
-import me.libraryaddict.disguise.utilities.reflection.DisguiseValues;
-import me.libraryaddict.disguise.utilities.reflection.FakeBoundingBox;
-import me.libraryaddict.disguise.utilities.reflection.LibsProfileLookup;
-import me.libraryaddict.disguise.utilities.reflection.ReflectionManager;
+import me.libraryaddict.disguise.utilities.reflection.*;
 import me.libraryaddict.disguise.utilities.translations.LibsMsg;
 import org.apache.logging.log4j.util.Strings;
 import org.bukkit.*;
-import org.bukkit.craftbukkit.libs.org.apache.commons.io.FileUtils;
 import org.bukkit.entity.*;
 import org.bukkit.inventory.EquipmentSlot;
 import org.bukkit.inventory.ItemStack;
@@ -41,17 +37,16 @@ import org.bukkit.scoreboard.Team.Option;
 import org.bukkit.scoreboard.Team.OptionStatus;
 import org.bukkit.util.Vector;
 
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.FileReader;
-import java.io.PrintWriter;
+import java.io.*;
 import java.lang.reflect.*;
+import java.nio.charset.StandardCharsets;
 import java.util.*;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.TimeUnit;
 import java.util.logging.Logger;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
+import java.util.stream.Collectors;
 
 public class DisguiseUtilities {
     public static class ExtendedName {
@@ -111,7 +106,6 @@ public class DisguiseUtilities {
     private static final HashMap<String, ArrayList<Object>> runnables = new HashMap<>();
     @Getter
     private static HashSet<UUID> selfDisguised = new HashSet<>();
-    private static Thread mainThread;
     private static HashMap<UUID, String> preDisguiseTeam = new HashMap<>();
     private static HashMap<UUID, String> disguiseTeam = new HashMap<>();
     private static File profileCache = new File("plugins/LibsDisguises/GameProfiles"), savedDisguises = new File(
@@ -321,7 +315,13 @@ public class DisguiseUtilities {
         }
 
         try {
-            String cached = FileUtils.readFileToString(disguiseFile, "UTF-8");
+            String cached = null;
+
+            try (FileInputStream input = new FileInputStream(
+                    disguiseFile); InputStreamReader inputReader = new InputStreamReader(input,
+                    StandardCharsets.UTF_8); BufferedReader reader = new BufferedReader(inputReader)) {
+                cached = reader.lines().collect(Collectors.joining("\n"));
+            }
 
             if (remove) {
                 removeSavedDisguise(entityUUID);
@@ -515,7 +515,7 @@ public class DisguiseUtilities {
      * Sends entity removal packets, as this disguise was removed
      */
     public static void destroyEntity(TargetedDisguise disguise) {
-        if (mainThread != Thread.currentThread())
+        if (!Bukkit.isPrimaryThread())
             throw new IllegalStateException("Cannot modify disguises on an async thread");
 
         try {
@@ -696,7 +696,7 @@ public class DisguiseUtilities {
      * @return
      */
     public static List<Player> getPerverts(Disguise disguise) {
-        if (mainThread != Thread.currentThread())
+        if (!Bukkit.isPrimaryThread())
             throw new IllegalStateException("Cannot modify disguises on an async thread");
 
         if (disguise.getEntity() == null)
@@ -895,16 +895,6 @@ public class DisguiseUtilities {
 
         gson = gsonBuilder.create();
 
-        try {
-            Field threadField = ReflectionManager.getNmsField("MinecraftServer", "serverThread");
-            threadField.setAccessible(true);
-
-            mainThread = (Thread) threadField.get(ReflectionManager.getMinecraftServer());
-        }
-        catch (Exception ex) {
-            ex.printStackTrace();
-        }
-
         if (!profileCache.exists())
             profileCache.mkdirs();
 
@@ -953,7 +943,7 @@ public class DisguiseUtilities {
      * Resends the entity to this specific player
      */
     public static void refreshTracker(final TargetedDisguise disguise, String player) {
-        if (mainThread != Thread.currentThread())
+        if (!Bukkit.isPrimaryThread())
             throw new IllegalStateException("Cannot modify disguises on an async thread");
 
         if (disguise.getEntity() == null || !disguise.getEntity().isValid())
@@ -990,10 +980,12 @@ public class DisguiseUtilities {
                         .get(entityTrackerEntry);
 
                 Method clear = ReflectionManager
-                        .getNmsMethod("EntityTrackerEntry", "a", ReflectionManager.getNmsClass("EntityPlayer"));
+                        .getNmsMethod("EntityTrackerEntry", NmsVersion.v1_14.isSupported() ? "a" : "clear",
+                                ReflectionManager.getNmsClass("EntityPlayer"));
 
                 final Method updatePlayer = ReflectionManager
-                        .getNmsMethod("EntityTrackerEntry", "b", ReflectionManager.getNmsClass("EntityPlayer"));
+                        .getNmsMethod("EntityTrackerEntry", NmsVersion.v1_14.isSupported() ? "b" : "updatePlayer",
+                                ReflectionManager.getNmsClass("EntityPlayer"));
 
                 trackedPlayers = (Set) new HashSet(trackedPlayers).clone(); // Copy before iterating to prevent
                 // ConcurrentModificationException
@@ -1030,7 +1022,7 @@ public class DisguiseUtilities {
      * A convenience method for me to refresh trackers in other plugins
      */
     public static void refreshTrackers(Entity entity) {
-        if (mainThread != Thread.currentThread())
+        if (!Bukkit.isPrimaryThread())
             throw new IllegalStateException("Cannot modify disguises on an async thread");
 
         if (entity.isValid()) {
@@ -1044,10 +1036,12 @@ public class DisguiseUtilities {
                             .get(entityTrackerEntry);
 
                     Method clear = ReflectionManager
-                            .getNmsMethod("EntityTrackerEntry", "a", ReflectionManager.getNmsClass("EntityPlayer"));
+                            .getNmsMethod("EntityTrackerEntry", NmsVersion.v1_14.isSupported() ? "a" : "clear",
+                                    ReflectionManager.getNmsClass("EntityPlayer"));
 
                     final Method updatePlayer = ReflectionManager
-                            .getNmsMethod("EntityTrackerEntry", "b", ReflectionManager.getNmsClass("EntityPlayer"));
+                            .getNmsMethod("EntityTrackerEntry", NmsVersion.v1_14.isSupported() ? "b" : "updatePlayer",
+                                    ReflectionManager.getNmsClass("EntityPlayer"));
 
                     trackedPlayers = (Set) new HashSet(trackedPlayers).clone(); // Copy before iterating to prevent
                     // ConcurrentModificationException
@@ -1081,7 +1075,7 @@ public class DisguiseUtilities {
      * Resends the entity to all the watching players, which is where the magic begins
      */
     public static void refreshTrackers(final TargetedDisguise disguise) {
-        if (mainThread != Thread.currentThread())
+        if (!Bukkit.isPrimaryThread())
             throw new IllegalStateException("Cannot modify disguises on an async thread");
 
         if (!disguise.getEntity().isValid()) {
@@ -1115,10 +1109,12 @@ public class DisguiseUtilities {
                         .get(entityTrackerEntry);
 
                 final Method clear = ReflectionManager
-                        .getNmsMethod("EntityTrackerEntry", "a", ReflectionManager.getNmsClass("EntityPlayer"));
+                        .getNmsMethod("EntityTrackerEntry", NmsVersion.v1_14.isSupported() ? "a" : "clear",
+                                ReflectionManager.getNmsClass("EntityPlayer"));
 
                 final Method updatePlayer = ReflectionManager
-                        .getNmsMethod("EntityTrackerEntry", "b", ReflectionManager.getNmsClass("EntityPlayer"));
+                        .getNmsMethod("EntityTrackerEntry", NmsVersion.v1_14.isSupported() ? "b" : "updatePlayer",
+                                ReflectionManager.getNmsClass("EntityPlayer"));
 
                 trackedPlayers = (Set) new HashSet(trackedPlayers).clone();
                 PacketContainer destroyPacket = getDestroyPacket(disguise.getEntity().getEntityId());
@@ -1179,7 +1175,7 @@ public class DisguiseUtilities {
     }
 
     public static void removeSelfDisguise(Player player) {
-        if (mainThread != Thread.currentThread())
+        if (!Bukkit.isPrimaryThread())
             throw new IllegalStateException("Cannot modify disguises on an async thread");
 
         if (!selfDisguised.contains(player.getUniqueId())) {
@@ -1700,7 +1696,7 @@ public class DisguiseUtilities {
      * Sends the self disguise to the player
      */
     public static void sendSelfDisguise(final Player player, final TargetedDisguise disguise) {
-        if (mainThread != Thread.currentThread())
+        if (!Bukkit.isPrimaryThread())
             throw new IllegalStateException("Cannot modify disguises on an async thread");
 
         try {
@@ -1755,7 +1751,8 @@ public class DisguiseUtilities {
             boolean isMoving = false;
 
             try {
-                Field field = ReflectionManager.getNmsClass("EntityTrackerEntry").getDeclaredField("q");
+                Field field = ReflectionManager.getNmsClass("EntityTrackerEntry")
+                        .getDeclaredField(NmsVersion.v1_14.isSupported() ? "q" : "isMoving");
                 field.setAccessible(true);
                 isMoving = field.getBoolean(entityTrackerEntry);
             }
@@ -1816,14 +1813,6 @@ public class DisguiseUtilities {
 
             Location loc = player.getLocation();
 
-            // If the disguised is sleeping for w/e reason
-            if (player.isSleeping()) {
-            /*    sendSelfPacket(player,
-                        manager.createPacketConstructor(Server.BED, player, ReflectionManager.getBlockPosition(0, 0, 0))
-                                .createPacket(player, ReflectionManager
-                                        .getBlockPosition(loc.getBlockX(), loc.getBlockY(), loc.getBlockZ())));*/
-            }
-
             // Resend any active potion effects
             for (PotionEffect potionEffect : player.getActivePotionEffects()) {
                 Object mobEffect = ReflectionManager.createMobEffect(potionEffect);
diff --git a/src/main/java/me/libraryaddict/disguise/utilities/LibsPremium.java b/src/main/java/me/libraryaddict/disguise/utilities/LibsPremium.java
index 195c72b3..38b60f7d 100644
--- a/src/main/java/me/libraryaddict/disguise/utilities/LibsPremium.java
+++ b/src/main/java/me/libraryaddict/disguise/utilities/LibsPremium.java
@@ -5,14 +5,12 @@ import me.libraryaddict.disguise.utilities.plugin.PluginInformation;
 import me.libraryaddict.disguise.utilities.reflection.ReflectionManager;
 import org.bukkit.configuration.InvalidConfigurationException;
 import org.bukkit.configuration.file.YamlConfiguration;
-import org.bukkit.craftbukkit.libs.org.apache.commons.io.IOUtils;
 
-import java.io.File;
-import java.io.IOException;
+import java.io.*;
 import java.net.URL;
 import java.net.URLClassLoader;
-import java.util.Date;
-import java.util.concurrent.TimeUnit;
+import java.nio.charset.StandardCharsets;
+import java.util.stream.Collectors;
 
 /**
  * Created by libraryaddict on 2/06/2017.
@@ -265,7 +263,11 @@ public class LibsPremium {
             YamlConfiguration config = new YamlConfiguration();
 
             try {
-                config.loadFromString(IOUtils.toString(LibsDisguises.getInstance().getResource("plugin.yml"), "UTF-8"));
+                try (InputStream stream = LibsDisguises.getInstance().getResource("plugin.yml")) {
+                    config.loadFromString(
+                            new BufferedReader(new InputStreamReader(stream, StandardCharsets.UTF_8)).lines()
+                                    .collect(Collectors.joining("\n")));
+                }
 
                 // If plugin.yml contains a build-date
                 if (config.contains("build-date")) {
diff --git a/src/main/java/me/libraryaddict/disguise/utilities/UpdateChecker.java b/src/main/java/me/libraryaddict/disguise/utilities/UpdateChecker.java
index c7c69add..f4c66625 100644
--- a/src/main/java/me/libraryaddict/disguise/utilities/UpdateChecker.java
+++ b/src/main/java/me/libraryaddict/disguise/utilities/UpdateChecker.java
@@ -2,15 +2,16 @@ package me.libraryaddict.disguise.utilities;
 
 import com.google.gson.Gson;
 import lombok.Getter;
-import org.bukkit.craftbukkit.libs.org.apache.commons.io.IOUtils;
 
+import java.io.BufferedReader;
 import java.io.InputStream;
-import java.io.OutputStream;
+import java.io.InputStreamReader;
 import java.net.HttpURLConnection;
 import java.net.URL;
 import java.nio.charset.StandardCharsets;
 import java.util.Date;
 import java.util.Map;
+import java.util.stream.Collectors;
 
 public class UpdateChecker {
     private final String resourceID;
@@ -75,7 +76,8 @@ public class UpdateChecker {
             // Get the input stream, what we receive
             try (InputStream input = con.getInputStream()) {
                 // Read it to string
-                String version = IOUtils.toString(input);
+                String version = new BufferedReader(new InputStreamReader(input, StandardCharsets.UTF_8))
+                        .lines().collect(Collectors.joining("\n"));
 
                 // If the version is not empty, return it
                 if (!version.isEmpty()) {
@@ -149,7 +151,8 @@ public class UpdateChecker {
             // Get the input stream, what we receive
             try (InputStream input = con.getInputStream()) {
                 // Read it to string
-                String json = IOUtils.toString(input);
+                String json = new BufferedReader(new InputStreamReader(input, StandardCharsets.UTF_8))
+                        .lines().collect(Collectors.joining("\n"));
 
                 jsonObject = new Gson().fromJson(json, Map.class);
             }
diff --git a/src/main/java/me/libraryaddict/disguise/utilities/mineskin/MineSkinAPI.java b/src/main/java/me/libraryaddict/disguise/utilities/mineskin/MineSkinAPI.java
index 29a6e12b..86b9e13c 100644
--- a/src/main/java/me/libraryaddict/disguise/utilities/mineskin/MineSkinAPI.java
+++ b/src/main/java/me/libraryaddict/disguise/utilities/mineskin/MineSkinAPI.java
@@ -3,18 +3,18 @@ package me.libraryaddict.disguise.utilities.mineskin;
 import com.google.gson.Gson;
 import me.libraryaddict.disguise.utilities.DisguiseUtilities;
 import me.libraryaddict.disguise.utilities.SkinUtils;
-import me.libraryaddict.disguise.utilities.parser.DisguiseParseException;
 import me.libraryaddict.disguise.utilities.translations.LibsMsg;
-import org.bukkit.craftbukkit.libs.org.apache.commons.io.IOUtils;
 
 import java.io.*;
 import java.net.HttpURLConnection;
 import java.net.SocketTimeoutException;
 import java.net.URL;
+import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.util.UUID;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.locks.ReentrantLock;
+import java.util.stream.Collectors;
 
 /**
  * Created by libraryaddict on 28/12/2019.
@@ -107,7 +107,8 @@ public class MineSkinAPI {
             }
 
             if (connection.getResponseCode() == 500) {
-                APIError error = new Gson().fromJson(IOUtils.toString(connection.getErrorStream()), APIError.class);
+                APIError error = new Gson().fromJson(new BufferedReader(new InputStreamReader(connection.getErrorStream(), StandardCharsets.UTF_8))
+                        .lines().collect(Collectors.joining("\n")), APIError.class);
 
                 if (error.code == 403) {
                     callback.onError(LibsMsg.SKIN_API_FAIL_CODE, "" + error.code, LibsMsg.SKIN_API_403.get());
@@ -136,7 +137,8 @@ public class MineSkinAPI {
             // Get the input stream, what we receive
             try (InputStream input = connection.getInputStream()) {
                 // Read it to string
-                String response = IOUtils.toString(input);
+                String response = new BufferedReader(new InputStreamReader(input, StandardCharsets.UTF_8))
+                        .lines().collect(Collectors.joining("\n"));
 
                 MineSkinResponse skinResponse = new Gson().fromJson(response, MineSkinResponse.class);
 
@@ -188,7 +190,8 @@ public class MineSkinAPI {
             // Get the input stream, what we receive
             try (InputStream input = con.getInputStream()) {
                 // Read it to string
-                String response = IOUtils.toString(input);
+                String response = new BufferedReader(new InputStreamReader(input, StandardCharsets.UTF_8))
+                        .lines().collect(Collectors.joining("\n"));
 
                 MineSkinResponse skinResponse = new Gson().fromJson(response, MineSkinResponse.class);
 
diff --git a/src/main/java/me/libraryaddict/disguise/utilities/packets/PacketsHandler.java b/src/main/java/me/libraryaddict/disguise/utilities/packets/PacketsHandler.java
index 0c68c740..c2618b68 100644
--- a/src/main/java/me/libraryaddict/disguise/utilities/packets/PacketsHandler.java
+++ b/src/main/java/me/libraryaddict/disguise/utilities/packets/PacketsHandler.java
@@ -29,7 +29,6 @@ public class PacketsHandler {
 
         packetHandlers.add(new PacketHandlerAnimation());
         packetHandlers.add(new PacketHandlerAttributes());
-        packetHandlers.add(new PacketHandlerBed());
         packetHandlers.add(new PacketHandlerCollect());
         packetHandlers.add(new PacketHandlerEntityStatus());
         packetHandlers.add(new PacketHandlerEquipment(this));
diff --git a/src/main/java/me/libraryaddict/disguise/utilities/packets/packethandlers/PacketHandlerBed.java b/src/main/java/me/libraryaddict/disguise/utilities/packets/packethandlers/PacketHandlerBed.java
deleted file mode 100644
index a009dd6c..00000000
--- a/src/main/java/me/libraryaddict/disguise/utilities/packets/packethandlers/PacketHandlerBed.java
+++ /dev/null
@@ -1,28 +0,0 @@
-package me.libraryaddict.disguise.utilities.packets.packethandlers;
-
-import com.comphenix.protocol.PacketType;
-import com.comphenix.protocol.events.PacketContainer;
-import me.libraryaddict.disguise.disguisetypes.Disguise;
-import me.libraryaddict.disguise.utilities.packets.IPacketHandler;
-import me.libraryaddict.disguise.utilities.packets.LibsPackets;
-import org.bukkit.entity.Entity;
-import org.bukkit.entity.Player;
-
-/**
- * Created by libraryaddict on 3/01/2019.
- */
-public class PacketHandlerBed implements IPacketHandler {
-    @Override
-    public PacketType[] getHandledPackets() {
-        return new PacketType[]{};
-    }
-
-    @Override
-    public void handle(Disguise disguise, PacketContainer sentPacket, LibsPackets packets, Player observer,
-            Entity entity) {
-        // If the entity is going into a bed, stop everything but players from doing this
-        if (!disguise.getType().isPlayer()) {
-            packets.clear();
-        }
-    }
-}
diff --git a/src/main/java/me/libraryaddict/disguise/utilities/packets/packethandlers/PacketHandlerSpawn.java b/src/main/java/me/libraryaddict/disguise/utilities/packets/packethandlers/PacketHandlerSpawn.java
index 3a37041e..babe5c7f 100644
--- a/src/main/java/me/libraryaddict/disguise/utilities/packets/packethandlers/PacketHandlerSpawn.java
+++ b/src/main/java/me/libraryaddict/disguise/utilities/packets/packethandlers/PacketHandlerSpawn.java
@@ -225,7 +225,7 @@ public class PacketHandlerSpawn implements IPacketHandler {
 
             packets.addPacket(spawnPlayer);
 
-            if (ReflectionManager.isSupported(NmsVersion.v1_15)) {
+            if (NmsVersion.v1_15.isSupported()) {
                 PacketContainer metaPacket = ProtocolLibrary.getProtocolManager()
                         .createPacketConstructor(PacketType.Play.Server.ENTITY_METADATA, entityId, newWatcher, true)
                         .createPacket(entityId, newWatcher, true);
@@ -314,7 +314,7 @@ public class PacketHandlerSpawn implements IPacketHandler {
                     .createSanitizedDataWatcher(WrappedDataWatcher.getEntityWatcher(disguisedEntity),
                             disguise.getWatcher());
 
-            if (ReflectionManager.isSupported(NmsVersion.v1_15)) {
+            if (NmsVersion.v1_15.isSupported()) {
                 PacketContainer metaPacket = ProtocolLibrary.getProtocolManager()
                         .createPacketConstructor(PacketType.Play.Server.ENTITY_METADATA, disguisedEntity.getEntityId(),
                                 newWatcher, true).createPacket(disguisedEntity.getEntityId(), newWatcher, true);
@@ -348,14 +348,26 @@ public class PacketHandlerSpawn implements IPacketHandler {
                 data = ((((int) loc.getYaw() % 360) + 720 + 45) / 90) % 4;
             }
 
-            Object entityType = ReflectionManager.getEntityType(disguise.getType().getEntityType());
+            PacketContainer spawnEntity;
 
-            Object[] params = new Object[]{disguisedEntity.getEntityId(), disguisedEntity.getUniqueId(), x, y, z,
-                    loc.getPitch(), loc.getYaw(), entityType, data,
-                    ReflectionManager.getVec3D(disguisedEntity.getVelocity())};
+            if (NmsVersion.v1_14.isSupported()) {
+                Object entityType = ReflectionManager.getEntityType(disguise.getType().getEntityType());
+
+                Object[] params = new Object[]{disguisedEntity.getEntityId(), disguisedEntity.getUniqueId(), x, y, z,
+                        loc.getPitch(), loc.getYaw(), entityType, data,
+                        ReflectionManager.getVec3D(disguisedEntity.getVelocity())};
+
+                spawnEntity = ProtocolLibrary.getProtocolManager()
+                        .createPacketConstructor(PacketType.Play.Server.SPAWN_ENTITY, params).createPacket(params);
+            } else {
+                int objectId = disguise.getType().getObjectId();
+                Object nmsEntity = ReflectionManager.getNmsEntity(disguisedEntity);
+
+                spawnEntity = ProtocolLibrary.getProtocolManager()
+                        .createPacketConstructor(PacketType.Play.Server.SPAWN_ENTITY, nmsEntity, objectId, data)
+                        .createPacket(nmsEntity, objectId, data);
+            }
 
-            PacketContainer spawnEntity = ProtocolLibrary.getProtocolManager()
-                    .createPacketConstructor(PacketType.Play.Server.SPAWN_ENTITY, params).createPacket(params);
             packets.addPacket(spawnEntity);
 
             // If it's not the same type, then highly likely they have different velocity settings which we'd want to
diff --git a/src/main/java/me/libraryaddict/disguise/utilities/parser/DisguiseParser.java b/src/main/java/me/libraryaddict/disguise/utilities/parser/DisguiseParser.java
index 6a9f4ee0..e7dca9d0 100644
--- a/src/main/java/me/libraryaddict/disguise/utilities/parser/DisguiseParser.java
+++ b/src/main/java/me/libraryaddict/disguise/utilities/parser/DisguiseParser.java
@@ -78,26 +78,18 @@ public class DisguiseParser {
                         getName = "get" + getName;
                     }
 
-                    Method getMethod = null;
-
-                    for (Method m : setMethod.getDeclaringClass().getDeclaredMethods()) {
-                        if (!m.getName().equals(getName)) {
-                            continue;
-                        }
-
-                        if (m.getParameterTypes().length > 0 || m.getReturnType() != setMethod.getParameterTypes()[0]) {
-                            continue;
-                        }
-
-                        getMethod = m;
-                        break;
-                    }
+                    Method getMethod = setMethod.getDeclaringClass().getMethod(getName);
 
                     if (getMethod == null) {
                         DisguiseUtilities.getLogger().severe(String
                                 .format("No such method '%s' when looking for the companion of '%s' in '%s'", getName,
                                         setMethod.getName(), setMethod.getDeclaringClass().getSimpleName()));
                         continue;
+                    }else if (getMethod.getReturnType() != setMethod.getParameterTypes()[0]){
+                        DisguiseUtilities.getLogger().severe(String
+                                .format("Invalid return type of '%s' when looking for the companion of '%s' in '%s'", getName,
+                                        setMethod.getName(), setMethod.getDeclaringClass().getSimpleName()));
+                        continue;
                     }
 
                     Object defaultValue = null;
diff --git a/src/main/java/me/libraryaddict/disguise/utilities/parser/params/ParamInfoManager.java b/src/main/java/me/libraryaddict/disguise/utilities/parser/params/ParamInfoManager.java
index 2c475dc9..3c780295 100644
--- a/src/main/java/me/libraryaddict/disguise/utilities/parser/params/ParamInfoManager.java
+++ b/src/main/java/me/libraryaddict/disguise/utilities/parser/params/ParamInfoManager.java
@@ -9,6 +9,8 @@ import me.libraryaddict.disguise.disguisetypes.watchers.PlayerWatcher;
 import me.libraryaddict.disguise.utilities.parser.DisguisePerm;
 import me.libraryaddict.disguise.utilities.parser.params.ParamInfo;
 import me.libraryaddict.disguise.utilities.parser.params.ParamInfoTypes;
+import me.libraryaddict.disguise.utilities.reflection.DisguiseMethods;
+import me.libraryaddict.disguise.utilities.reflection.NmsRemovedIn;
 import me.libraryaddict.disguise.utilities.reflection.ReflectionManager;
 import org.bukkit.ChatColor;
 
@@ -21,6 +23,7 @@ import java.util.List;
 
 public class ParamInfoManager {
     private static List<ParamInfo> paramList;
+    private static DisguiseMethods disguiseMethods;
 
     public static List<ParamInfo> getParamInfos() {
         return paramList;
@@ -61,12 +64,6 @@ public class ParamInfoManager {
             if (!method.getName().toLowerCase().equals(methodName.toLowerCase()))
                 continue;
 
-            if (method.getParameterTypes().length != 1)
-                continue;
-
-            if (method.getAnnotation(Deprecated.class) != null)
-                continue;
-
             return getParamInfo(method.getParameterTypes()[0]);
         }
 
@@ -75,6 +72,7 @@ public class ParamInfoManager {
 
     static {
         paramList = new ParamInfoTypes().getParamInfos();
+        disguiseMethods = new DisguiseMethods();
 
         //paramList.sort((o1, o2) -> String.CASE_INSENSITIVE_ORDER.compare(o1.getName(), o2.getName()));
     }
@@ -84,7 +82,7 @@ public class ParamInfoManager {
             return new Method[0];
         }
 
-        ArrayList<Method> methods = new ArrayList<>(Arrays.asList(watcherClass.getMethods()));
+        ArrayList<Method> methods = new ArrayList<>(disguiseMethods.getMethods(watcherClass));
 
         Iterator<Method> itel = methods.iterator();
 
@@ -93,20 +91,8 @@ public class ParamInfoManager {
 
             if (!ReflectionManager.isSupported(method)) {
                 itel.remove();
-            } else if (method.getParameterTypes().length != 1) {
-                itel.remove();
-            } else if (method.getName().startsWith("get")) {
-                itel.remove();
-            } else if (method.isAnnotationPresent(Deprecated.class)) {
-                itel.remove();
             } else if (getParamInfo(method.getParameterTypes()[0]) == null) {
                 itel.remove();
-            } else if (!method.getReturnType().equals(Void.TYPE)) {
-                itel.remove();
-            } else if (method.getName().equals("removePotionEffect")) {
-                itel.remove();
-            } else if (!FlagWatcher.class.isAssignableFrom(method.getDeclaringClass())) {
-                itel.remove();
             }
         }
 
diff --git a/src/main/java/me/libraryaddict/disguise/utilities/parser/params/ParamInfoTypes.java b/src/main/java/me/libraryaddict/disguise/utilities/parser/params/ParamInfoTypes.java
index f4ae5ae7..84f1a082 100644
--- a/src/main/java/me/libraryaddict/disguise/utilities/parser/params/ParamInfoTypes.java
+++ b/src/main/java/me/libraryaddict/disguise/utilities/parser/params/ParamInfoTypes.java
@@ -9,6 +9,7 @@ import me.libraryaddict.disguise.disguisetypes.RabbitType;
 import me.libraryaddict.disguise.utilities.parser.params.types.ParamInfoEnum;
 import me.libraryaddict.disguise.utilities.parser.params.types.base.*;
 import me.libraryaddict.disguise.utilities.parser.params.types.custom.*;
+import me.libraryaddict.disguise.utilities.reflection.NmsVersion;
 import org.apache.commons.lang.StringUtils;
 import org.bukkit.*;
 import org.bukkit.block.BlockFace;
@@ -41,8 +42,12 @@ public class ParamInfoTypes {
 
         paramInfos.add(new ParamInfoEnum(Villager.Profession.class, "Villager Profession",
                 "View all the professions you can set on a Villager and Zombie Villager"));
-        paramInfos.add(new ParamInfoEnum(Villager.Type.class, "Villager Biome",
-                "View all the biomes you can set on a Villager and Zombie Villager"));
+
+        if (NmsVersion.v1_14.isSupported()) {
+            paramInfos.add(new ParamInfoEnum(Villager.Type.class, "Villager Biome",
+                    "View all the biomes you can set on a Villager and Zombie Villager"));
+        }
+
         paramInfos.add(new ParamInfoEnum(BlockFace.class, "Direction", "Direction (North, East, South, West, Up, Down)",
                 "View the directions usable on player setSleeping and shulker direction",
                 Arrays.copyOf(BlockFace.values(), 6)));
@@ -62,12 +67,15 @@ public class ParamInfoTypes {
         paramInfos.add(new ParamInfoEnum(DyeColor.class, "DyeColor", "Dye colors of many different colors"));
         paramInfos.add(new ParamInfoEnum(Horse.Style.class, "Horse Style",
                 "Horse style which is the patterns on the horse"));
-        paramInfos.add(new ParamInfoEnum(EntityPose.class, "EntityPose", "The pose the entity should strike"));
-        paramInfos.add(new ParamInfoEnum(Cat.Type.class, "Cat Type", "The type of cat"));
-        paramInfos.add(new ParamInfoEnum(Fox.Type.class, "Fox Type", "The type of fox"));
-        paramInfos.add(new ParamInfoEnum(Panda.Gene.class, "Panda Gene", "The panda gene type"));
-        paramInfos.add(new ParamInfoEnum(MushroomCow.Variant.class, "Mushroom Cow Variant",
-                "The different variants for mushroom cows"));
+
+        if (NmsVersion.v1_14.isSupported()) {
+            paramInfos.add(new ParamInfoEnum(EntityPose.class, "EntityPose", "The pose the entity should strike"));
+            paramInfos.add(new ParamInfoEnum(Cat.Type.class, "Cat Type", "The type of cat"));
+            paramInfos.add(new ParamInfoEnum(Fox.Type.class, "Fox Type", "The type of fox"));
+            paramInfos.add(new ParamInfoEnum(Panda.Gene.class, "Panda Gene", "The panda gene type"));
+            paramInfos.add(new ParamInfoEnum(MushroomCow.Variant.class, "Mushroom Cow Variant",
+                    "The different variants for mushroom cows"));
+        }
 
         // Register custom types
         paramInfos.add(new ParamInfoEulerAngle(EulerAngle.class, "Euler Angle", "Euler Angle (X,Y,Z)",
diff --git a/src/main/java/me/libraryaddict/disguise/utilities/reflection/ClassGetter.java b/src/main/java/me/libraryaddict/disguise/utilities/reflection/ClassGetter.java
index c85365fe..e3820540 100644
--- a/src/main/java/me/libraryaddict/disguise/utilities/reflection/ClassGetter.java
+++ b/src/main/java/me/libraryaddict/disguise/utilities/reflection/ClassGetter.java
@@ -2,11 +2,14 @@ package me.libraryaddict.disguise.utilities.reflection;
 
 import org.bukkit.entity.Entity;
 
+import java.io.File;
 import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
+import java.net.MalformedURLException;
 import java.net.URL;
+import java.net.URLClassLoader;
 import java.net.URLDecoder;
 import java.security.CodeSource;
 import java.util.ArrayList;
@@ -20,27 +23,36 @@ import java.util.jar.JarFile;
 // Code for this taken and slightly modified from
 // https://github.com/ddopson/java-class-enumerator
 public class ClassGetter {
-    private class TestPrem {
-        String user = "%%__USER__%%";
-    }
-
-    @Retention(RetentionPolicy.RUNTIME)
-    @Target(ElementType.METHOD)
-    private @interface PremInfo {
-        String user();
-    }
-
     public static ArrayList<Class<?>> getClassesForPackage(String pkgname) {
+        return getClassesForPackage(Entity.class, pkgname);
+    }
+
+    public static ArrayList<Class<?>> getClassesForPackage(Class runFrom, String pkgname) {
         ArrayList<Class<?>> classes = new ArrayList<>();
         // String relPath = pkgname.replace('.', '/');
 
         // Get a File object for the package
-        CodeSource src = Entity.class.getProtectionDomain().getCodeSource();
+        CodeSource src = runFrom.getProtectionDomain().getCodeSource();
 
         if (src != null) {
             URL resource = src.getLocation();
-            resource.getPath();
-            processJarfile(resource, pkgname, classes);
+
+            if (resource.getPath().endsWith(".jar")) {
+                processJarfile(resource, pkgname, classes);
+            } else {
+                for (File f : new File(resource.getPath() + "/" + pkgname.replace(".", "/")).listFiles()) {
+                    if (!f.getName().endsWith(".class")) {
+                        continue;
+                    }
+
+                    try {
+                        classes.add(Class.forName(pkgname + "." + f.getName().replace(".class", "")));
+                    }
+                    catch (ClassNotFoundException e) {
+                        e.printStackTrace();
+                    }
+                }
+            }
         }
 
         return classes;
@@ -58,7 +70,6 @@ public class ClassGetter {
         }
     }
 
-    @PremInfo(user = "%%__USER__%%")
     private static void processJarfile(URL resource, String pkgname, ArrayList<Class<?>> classes) {
         try {
             String relPath = pkgname.replace('.', '/');
diff --git a/src/main/java/me/libraryaddict/disguise/utilities/reflection/CompileMethods.java b/src/main/java/me/libraryaddict/disguise/utilities/reflection/CompileMethods.java
new file mode 100644
index 00000000..8a365a9c
--- /dev/null
+++ b/src/main/java/me/libraryaddict/disguise/utilities/reflection/CompileMethods.java
@@ -0,0 +1,79 @@
+package me.libraryaddict.disguise.utilities.reflection;
+
+import me.libraryaddict.disguise.disguisetypes.FlagWatcher;
+import me.libraryaddict.disguise.disguisetypes.watchers.MushroomCowWatcher;
+import org.apache.commons.lang.StringUtils;
+
+import java.io.File;
+import java.io.PrintWriter;
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+
+/**
+ * Created by libraryaddict on 13/02/2020.
+ */
+public class CompileMethods {
+    public static void main(String[] args) {
+        ArrayList<Class<?>> classes = ClassGetter
+                .getClassesForPackage(FlagWatcher.class, "me.libraryaddict.disguise.disguisetypes.watchers");
+        classes.add(FlagWatcher.class);
+        classes.add(MushroomCowWatcher.class);
+
+        ArrayList<String> methods = new ArrayList<>();
+
+        for (Class c : classes) {
+            for (Method method : c.getMethods()) {
+                if (method.getParameterTypes().length != 1) {
+                    continue;
+                } else if (method.getName().startsWith("get")) {
+                    continue;
+                } else if (method.isAnnotationPresent(Deprecated.class) &&
+                        !method.isAnnotationPresent(NmsRemovedIn.class)) {
+                    continue;
+                } else if (!method.getReturnType().equals(Void.TYPE)) {
+                    continue;
+                } else if (method.getName().equals("removePotionEffect")) {
+                    continue;
+                } else if (!FlagWatcher.class.isAssignableFrom(method.getDeclaringClass())) {
+                    continue;
+                }
+
+                int added = -1;
+                int removed = -1;
+
+                if (method.isAnnotationPresent(NmsAddedIn.class)) {
+                    added = method.getAnnotation(NmsAddedIn.class).val().ordinal();
+                } else if (method.getDeclaringClass().isAnnotationPresent(NmsAddedIn.class)) {
+                    added = method.getDeclaringClass().getAnnotation(NmsAddedIn.class).val().ordinal();
+                }
+
+                if (method.isAnnotationPresent(NmsRemovedIn.class)) {
+                    removed = method.getAnnotation(NmsRemovedIn.class).val().ordinal();
+                } else if (method.getDeclaringClass().isAnnotationPresent(NmsRemovedIn.class)) {
+                    removed = method.getDeclaringClass().getAnnotation(NmsRemovedIn.class).val().ordinal();
+                }
+
+                Class<?> param = method.getParameterTypes()[0];
+
+                String s = ((added >= 0 || removed >= 0) ? added + ":" + removed + ":" : "") +
+                        method.getDeclaringClass().getSimpleName() + ":" + method.getName() + ":" +
+                        param.getName();
+
+                if (methods.contains(s)) {
+                    continue;
+                }
+
+                methods.add(s);
+            }
+        }
+
+        File methodsFile = new File("target/classes/methods.txt");
+
+        try (PrintWriter writer = new PrintWriter(methodsFile, "UTF-8")) {
+            writer.write(StringUtils.join(methods, "\n"));
+        }
+        catch (Exception ex) {
+            ex.printStackTrace();
+        }
+    }
+}
diff --git a/src/main/java/me/libraryaddict/disguise/utilities/reflection/DisguiseMethods.java b/src/main/java/me/libraryaddict/disguise/utilities/reflection/DisguiseMethods.java
new file mode 100644
index 00000000..81cfcfcc
--- /dev/null
+++ b/src/main/java/me/libraryaddict/disguise/utilities/reflection/DisguiseMethods.java
@@ -0,0 +1,133 @@
+package me.libraryaddict.disguise.utilities.reflection;
+
+import me.libraryaddict.disguise.LibsDisguises;
+import me.libraryaddict.disguise.disguisetypes.DisguiseType;
+import me.libraryaddict.disguise.disguisetypes.FlagWatcher;
+import org.apache.commons.lang.ClassUtils;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.lang.reflect.Array;
+import java.lang.reflect.Method;
+import java.nio.charset.StandardCharsets;
+import java.util.*;
+import java.util.stream.Collectors;
+
+/**
+ * Created by libraryaddict on 13/02/2020.
+ */
+public class DisguiseMethods {
+    private HashMap<Class<? extends FlagWatcher>, List<Method>> watcherMethods = new HashMap<>();
+
+    public ArrayList<Method> getMethods(Class c) {
+        ArrayList<Method> methods = new ArrayList<>();
+
+        if (watcherMethods.containsKey(c)) {
+            methods.addAll(watcherMethods.get(c));
+        }
+
+        if (c != FlagWatcher.class) {
+            methods.addAll(getMethods(c.getSuperclass()));
+        }
+
+        return methods;
+    }
+
+    public DisguiseMethods() {
+        try (InputStream stream = LibsDisguises.getInstance().getResource("methods.txt")) {
+            List<String> lines = new BufferedReader(new InputStreamReader(stream, StandardCharsets.UTF_8)).lines()
+                    .collect(Collectors.toList());
+            HashMap<String, Class<? extends FlagWatcher>> classes = new HashMap<>();
+            classes.put(FlagWatcher.class.getSimpleName(), FlagWatcher.class);
+
+            for (DisguiseType t : DisguiseType.values()) {
+                if (t.getWatcherClass() == null) {
+                    continue;
+                }
+
+                Class c = t.getWatcherClass();
+
+                while (!classes.containsKey(c.getSimpleName())) {
+                    classes.put(c.getSimpleName(), c);
+                    c = ReflectionManager.getSuperClass(c);
+                }
+            }
+
+            for (String line : lines) {
+                String[] split = line.split(":");
+
+                if (split.length > 3) {
+                    int added = Integer.parseInt(split[0]);
+                    int removed = Integer.parseInt(split[1]);
+
+                    if (added >= 0 && added > ReflectionManager.getVersion().ordinal()) {
+                        continue;
+                    } else if (removed >= 0 && removed <= ReflectionManager.getVersion().ordinal()) {
+                        continue;
+                    }
+                }
+
+                Class<? extends FlagWatcher> watcher = classes.get(split[split.length - 3]);
+
+                if (watcher == null) {
+                    continue;
+                }
+
+                String paramName = split[split.length - 1];
+                Class param;
+
+                if (!paramName.contains(".")) {
+                    param = parseType(paramName);
+                } else {
+                    param = Class.forName(paramName);
+                }
+
+                Method method = watcher.getMethod(split[split.length - 2], param);
+
+                watcherMethods.computeIfAbsent(watcher, (a) -> new ArrayList<>()).add(method);
+            }
+        }
+        catch (IOException | ClassNotFoundException | NoSuchMethodException e) {
+            e.printStackTrace();
+        }
+    }
+
+    /**
+     * Return the java {@link java.lang.Class} object with the specified class name.
+     * <p>
+     * This is an "extended" {@link java.lang.Class#forName(java.lang.String) } operation.
+     * <p>
+     * + It is able to return Class objects for primitive types
+     * + Classes in name space `java.lang` do not need the fully qualified name
+     * + It does not throw a checked Exception
+     *
+     * @param className The class name, never `null`
+     * @throws IllegalArgumentException if no class can be loaded
+     */
+    private Class<?> parseType(final String className) {
+        switch (className) {
+            case "boolean":
+                return boolean.class;
+            case "byte":
+                return byte.class;
+            case "short":
+                return short.class;
+            case "int":
+                return int.class;
+            case "long":
+                return long.class;
+            case "float":
+                return float.class;
+            case "double":
+                return double.class;
+            case "char":
+                return char.class;
+            case "[I":
+                return int[].class;
+            default:
+                throw new IllegalArgumentException("Class not found: " + className);
+        }
+    }
+}
diff --git a/src/main/java/me/libraryaddict/disguise/utilities/reflection/NmsAdded.java b/src/main/java/me/libraryaddict/disguise/utilities/reflection/NmsAddedIn.java
similarity index 81%
rename from src/main/java/me/libraryaddict/disguise/utilities/reflection/NmsAdded.java
rename to src/main/java/me/libraryaddict/disguise/utilities/reflection/NmsAddedIn.java
index a5c7d2aa..bfcbb42d 100644
--- a/src/main/java/me/libraryaddict/disguise/utilities/reflection/NmsAdded.java
+++ b/src/main/java/me/libraryaddict/disguise/utilities/reflection/NmsAddedIn.java
@@ -7,6 +7,6 @@ import java.lang.annotation.RetentionPolicy;
  * Created by libraryaddict on 6/02/2020.
  */
 @Retention(RetentionPolicy.RUNTIME)
-public @interface NmsAdded {
-    NmsVersion added();
+public @interface NmsAddedIn {
+    NmsVersion val();
 }
diff --git a/src/main/java/me/libraryaddict/disguise/utilities/reflection/NmsRemoved.java b/src/main/java/me/libraryaddict/disguise/utilities/reflection/NmsRemovedIn.java
similarity index 80%
rename from src/main/java/me/libraryaddict/disguise/utilities/reflection/NmsRemoved.java
rename to src/main/java/me/libraryaddict/disguise/utilities/reflection/NmsRemovedIn.java
index 189c02a5..6cf3e31a 100644
--- a/src/main/java/me/libraryaddict/disguise/utilities/reflection/NmsRemoved.java
+++ b/src/main/java/me/libraryaddict/disguise/utilities/reflection/NmsRemovedIn.java
@@ -7,6 +7,6 @@ import java.lang.annotation.RetentionPolicy;
  * Created by libraryaddict on 6/02/2020.
  */
 @Retention(RetentionPolicy.RUNTIME)
-public @interface NmsRemoved {
-    NmsVersion removed();
+public @interface NmsRemovedIn {
+    NmsVersion val();
 }
diff --git a/src/main/java/me/libraryaddict/disguise/utilities/reflection/NmsVersion.java b/src/main/java/me/libraryaddict/disguise/utilities/reflection/NmsVersion.java
index 258e8757..f7fadc05 100644
--- a/src/main/java/me/libraryaddict/disguise/utilities/reflection/NmsVersion.java
+++ b/src/main/java/me/libraryaddict/disguise/utilities/reflection/NmsVersion.java
@@ -4,6 +4,14 @@ package me.libraryaddict.disguise.utilities.reflection;
  * Created by libraryaddict on 6/02/2020.
  */
 public enum NmsVersion {
+    v1_13,
     v1_14,
-    v1_15
+    v1_15;
+
+    /**
+     * If this nms version isn't newer than the running version
+     */
+    public boolean isSupported() {
+        return ReflectionManager.getVersion().ordinal() >= ordinal();
+    }
 }
diff --git a/src/main/java/me/libraryaddict/disguise/utilities/reflection/ReflectionManager.java b/src/main/java/me/libraryaddict/disguise/utilities/reflection/ReflectionManager.java
index 17b79a7a..de77837b 100644
--- a/src/main/java/me/libraryaddict/disguise/utilities/reflection/ReflectionManager.java
+++ b/src/main/java/me/libraryaddict/disguise/utilities/reflection/ReflectionManager.java
@@ -18,7 +18,7 @@ import org.apache.commons.lang.StringUtils;
 import org.bukkit.*;
 import org.bukkit.configuration.InvalidConfigurationException;
 import org.bukkit.configuration.file.YamlConfiguration;
-import org.bukkit.craftbukkit.libs.org.apache.commons.io.IOUtils;
+import org.bukkit.craftbukkit.libs.it.unimi.dsi.fastutil.ints.Int2ObjectMap;
 import org.bukkit.entity.*;
 import org.bukkit.inventory.EquipmentSlot;
 import org.bukkit.inventory.ItemStack;
@@ -26,15 +26,19 @@ import org.bukkit.inventory.meta.ItemMeta;
 import org.bukkit.potion.PotionEffect;
 import org.bukkit.util.Vector;
 
+import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStream;
+import java.io.InputStreamReader;
 import java.lang.reflect.*;
 import java.nio.ByteBuffer;
+import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.Map;
 import java.util.Optional;
 import java.util.UUID;
 import java.util.concurrent.atomic.AtomicInteger;
+import java.util.stream.Collectors;
 
 public class ReflectionManager {
     private static String bukkitVersion;
@@ -43,18 +47,20 @@ public class ReflectionManager {
     private static Constructor<?> boundingBoxConstructor;
     private static Method setBoundingBoxMethod;
     private static Field pingField;
-    public static Field entityCountField;
+    private static Field entityCountField;
     private static Field chunkMapField;
     private static Field chunkProviderField;
     private static Field entityTrackerField;
     private static Field trackedEntitiesField;
+    @NmsRemovedIn(val = NmsVersion.v1_14)
+    private static Method ihmGet;
+    @NmsRemovedIn(val = NmsVersion.v1_14)
+    private static Field trackerField;
+    @NmsRemovedIn(val = NmsVersion.v1_14)
+    private static Field entitiesField;
     @Getter
     private static NmsVersion version;
 
-    public static boolean isSupported(NmsVersion version) {
-        return getVersion().ordinal() >= version.ordinal();
-    }
-
     public static void init() {
         try {
             Object entity = createEntityInstance(DisguiseType.COW, "Cow");
@@ -88,10 +94,16 @@ public class ReflectionManager {
 
         pingField = getNmsField("EntityPlayer", "ping");
 
-        chunkProviderField = getNmsField("World", "chunkProvider");
-        chunkMapField = getNmsField("ChunkProviderServer", "playerChunkMap");
-        trackedEntitiesField = getNmsField("PlayerChunkMap", "trackedEntities");
-        entityTrackerField = getNmsField("PlayerChunkMap$EntityTracker", "trackerEntry");
+        if (NmsVersion.v1_14.isSupported()) {
+            chunkProviderField = getNmsField("World", "chunkProvider");
+            chunkMapField = getNmsField("ChunkProviderServer", "playerChunkMap");
+            trackedEntitiesField = getNmsField("PlayerChunkMap", "trackedEntities");
+            entityTrackerField = getNmsField("PlayerChunkMap$EntityTracker", "trackerEntry");
+        } else {
+            trackerField = getNmsField("WorldServer", "tracker");
+            entitiesField = getNmsField("EntityTracker", "trackedEntities");
+            ihmGet = getNmsMethod("IntHashMap", "get", int.class);
+        }
 
         boundingBoxConstructor = getNmsConstructor("AxisAlignedBB", double.class, double.class, double.class,
                 double.class, double.class, double.class);
@@ -104,19 +116,19 @@ public class ReflectionManager {
     }
 
     public static boolean isSupported(AccessibleObject obj) {
-        if (obj.isAnnotationPresent(NmsAdded.class)) {
-            NmsAdded added = obj.getAnnotation(NmsAdded.class);
+        if (obj.isAnnotationPresent(NmsAddedIn.class)) {
+            NmsAddedIn added = obj.getAnnotation(NmsAddedIn.class);
 
-            // If it was added after/on this version
-            if (!isSupported(added.added())) {
+            // If it was added after this version
+            if (!added.val().isSupported()) {
                 return false;
             }
         }
 
-        if (obj.isAnnotationPresent(NmsRemoved.class)) {
-            NmsRemoved removed = obj.getAnnotation(NmsRemoved.class);
+        if (obj.isAnnotationPresent(NmsRemovedIn.class)) {
+            NmsRemovedIn removed = obj.getAnnotation(NmsRemovedIn.class);
 
-            if (isSupported(removed.removed())) {
+            if (removed.val().isSupported()) {
                 return false;
             }
         }
@@ -152,7 +164,8 @@ public class ReflectionManager {
     public static YamlConfiguration getPluginYaml(ClassLoader loader) {
         try (InputStream stream = loader.getResourceAsStream("plugin.yml")) {
             YamlConfiguration config = new YamlConfiguration();
-            config.loadFromString(IOUtils.toString(stream, "UTF-8"));
+            config.loadFromString(new BufferedReader(new InputStreamReader(stream, StandardCharsets.UTF_8)).lines()
+                    .collect(Collectors.joining("\n")));
 
             return config;
         }
@@ -169,17 +182,21 @@ public class ReflectionManager {
 
     public static int getNewEntityId(boolean increment) {
         try {
-            AtomicInteger entityCount = (AtomicInteger) entityCountField.get(null);
-
-            int id;
+            Number entityCount = (Number) entityCountField.get(null);
 
             if (increment) {
-                id = entityCount.getAndIncrement();
-            } else {
-                id = entityCount.get();
+                if (NmsVersion.v1_14.isSupported()) {
+                    return ((AtomicInteger) entityCount).getAndIncrement();
+                } else {
+                    int id = entityCount.intValue();
+
+                    entityCountField.set(null, id + 1);
+
+                    return id;
+                }
             }
 
-            return id;
+            return entityCount.intValue();
         }
         catch (IllegalAccessException e) {
             e.printStackTrace();
@@ -194,34 +211,44 @@ public class ReflectionManager {
             Object entityObject;
             Object world = getWorldServer(Bukkit.getWorlds().get(0));
 
-            switch (entityName) {
-                case "Player":
-                    Object minecraftServer = getNmsMethod("MinecraftServer", "getServer").invoke(null);
+            if (entityName.equals("Player")) {
+                Object minecraftServer = getNmsMethod("MinecraftServer", "getServer").invoke(null);
 
-                    Object playerinteractmanager = getNmsClass("PlayerInteractManager")
-                            .getDeclaredConstructor(getNmsClass("WorldServer")).newInstance(world);
+                Object playerinteractmanager = getNmsClass("PlayerInteractManager")
+                        .getDeclaredConstructor(getNmsClass(NmsVersion.v1_14.isSupported() ? "WorldServer" : "World"))
+                        .newInstance(world);
 
-                    WrappedGameProfile gameProfile = getGameProfile(new UUID(0, 0), "Steve");
+                WrappedGameProfile gameProfile = getGameProfile(new UUID(0, 0), "Steve");
 
-                    entityObject = entityClass
-                            .getDeclaredConstructor(getNmsClass("MinecraftServer"), getNmsClass("WorldServer"),
-                                    gameProfile.getHandleType(), playerinteractmanager.getClass())
-                            .newInstance(minecraftServer, world, gameProfile.getHandle(), playerinteractmanager);
-                    break;
-                case "EnderPearl":
-                    entityObject = entityClass.getDeclaredConstructor(getNmsClass("World"), getNmsClass("EntityLiving"))
-                            .newInstance(world, createEntityInstance(DisguiseType.COW, "Cow"));
-                    break;
-                case "FishingHook":
+                entityObject = entityClass
+                        .getDeclaredConstructor(getNmsClass("MinecraftServer"), getNmsClass("WorldServer"),
+                                gameProfile.getHandleType(), playerinteractmanager.getClass())
+                        .newInstance(minecraftServer, world, gameProfile.getHandle(), playerinteractmanager);
+            } else if (entityName.equals("EnderPearl")) {
+                entityObject = entityClass.getDeclaredConstructor(getNmsClass("World"), getNmsClass("EntityLiving"))
+                        .newInstance(world, createEntityInstance(DisguiseType.COW, "Cow"));
+            } else if (entityName.equals("FishingHook")) {
+                if (NmsVersion.v1_14.isSupported()) {
                     entityObject = entityClass
                             .getDeclaredConstructor(getNmsClass("EntityHuman"), getNmsClass("World"), int.class,
                                     int.class)
                             .newInstance(createEntityInstance(DisguiseType.PLAYER, "Player"), world, 0, 0);
-                    break;
-                default:
+                } else {
+                    entityObject = entityClass.getDeclaredConstructor(getNmsClass("World"), getNmsClass("EntityHuman"))
+                            .newInstance(world, createEntityInstance(DisguiseType.PLAYER, "Player"));
+                }
+            } else if (!NmsVersion.v1_14.isSupported() && entityName.equals("Potion")) {
+                entityObject = entityClass
+                        .getDeclaredConstructor(getNmsClass("World"), Double.TYPE, Double.TYPE, Double.TYPE,
+                                getNmsClass("ItemStack"))
+                        .newInstance(world, 0d, 0d, 0d, getNmsItem(new ItemStack(Material.SPLASH_POTION)));
+            } else {
+                if (NmsVersion.v1_14.isSupported()) {
                     entityObject = entityClass.getDeclaredConstructor(getNmsClass("EntityTypes"), getNmsClass("World"))
                             .newInstance(getEntityType(disguiseType.getEntityType()), world);
-                    break;
+                } else {
+                    entityObject = entityClass.getDeclaredConstructor(getNmsClass("World")).newInstance(world);
+                }
             }
 
             return entityObject;
@@ -395,17 +422,25 @@ public class ReflectionManager {
 
     public static Object getEntityTrackerEntry(Entity target) throws Exception {
         Object world = getWorldServer(target.getWorld());
-        Object chunkProvider = chunkProviderField.get(world);
-        Object chunkMap = chunkMapField.get(chunkProvider);
-        Map trackedEntities = (Map) trackedEntitiesField.get(chunkMap);
 
-        Object entityTracker = trackedEntities.get(target.getEntityId());
+        if (NmsVersion.v1_14.isSupported()) {
+            Object chunkProvider = chunkProviderField.get(world);
+            Object chunkMap = chunkMapField.get(chunkProvider);
+            Map trackedEntities = (Map) trackedEntitiesField.get(chunkMap);
 
-        if (entityTracker == null) {
-            return null;
+            Object entityTracker = trackedEntities.get(target.getEntityId());
+
+            if (entityTracker == null) {
+                return null;
+            }
+
+            return entityTrackerField.get(entityTracker);
         }
 
-        return entityTrackerField.get(entityTracker);
+        Object tracker = trackerField.get(world);
+        Object trackedEntities = entitiesField.get(tracker);
+
+        return ihmGet.invoke(trackedEntities, target.getEntityId());
     }
 
     public static Object getMinecraftServer() {
@@ -675,13 +710,21 @@ public class ReflectionManager {
 
     public static float[] getSize(Entity entity) {
         try {
-            Object size = getNmsField("Entity", "size").get(getNmsEntity(entity));
+            if (NmsVersion.v1_14.isSupported()) {
+                Object size = getNmsField("Entity", "size").get(getNmsEntity(entity));
 
-            //float length = getNmsField("EntitySize", "length").getFloat(size);
-            float width = getNmsField("EntitySize", "width").getFloat(size);
-            float height = getNmsField("Entity", "headHeight").getFloat(getNmsEntity(entity));
+                //float length = getNmsField("EntitySize", "length").getFloat(size);
+                float width = getNmsField("EntitySize", "width").getFloat(size);
+                float height = getNmsField("Entity", "headHeight").getFloat(getNmsEntity(entity));
 
-            return new float[]{width, height};
+                return new float[]{width, height};
+            } else {
+
+                //    float length = getNmsField("Entity", "length").getFloat(getNmsEntity(entity));
+                float width = getNmsField("Entity", "width").getFloat(getNmsEntity(entity));
+                float height = (Float) getNmsMethod("Entity", "getHeadHeight").invoke(getNmsEntity(entity));
+                return new float[]{width, height};
+            }
         }
         catch (Exception ex) {
             ex.printStackTrace();
@@ -1045,6 +1088,30 @@ public class ReflectionManager {
         return null;
     }
 
+    public static boolean isAssignableFrom(Class toCheck, Class checkAgainst) {
+        if (!NmsVersion.v1_14.isSupported() && toCheck != checkAgainst) {
+            if (toCheck == OcelotWatcher.class) {
+                toCheck = TameableWatcher.class;
+            }
+        }
+
+        return checkAgainst.isAssignableFrom(toCheck);
+    }
+
+    public static Class getSuperClass(Class cl) {
+        if (cl == FlagWatcher.class) {
+            return null;
+        }
+
+        if (!NmsVersion.v1_14.isSupported()) {
+            if (cl == OcelotWatcher.class) {
+                return TameableWatcher.class;
+            }
+        }
+
+        return cl.getSuperclass();
+    }
+
     public static Object getVillagerProfession(Villager.Profession profession) {
         try {
             Object villagerProfession = getNmsField("IRegistry", "VILLAGER_PROFESSION").get(null);
@@ -1124,10 +1191,14 @@ public class ReflectionManager {
     public static Object getEntityType(EntityType entityType) {
         try {
             Method entityTypes = getNmsMethod("EntityTypes", "a", String.class);
+            Object val = entityTypes.invoke(null,
+                    entityType.getName() == null ? entityType.name().toLowerCase() : entityType.getName());
 
-            Optional<Object> entityObj = (Optional<Object>) entityTypes.invoke(null, entityType.getName());
+            if (NmsVersion.v1_14.isSupported()) {
+                return ((Optional<Object>) val).orElse(null);
+            }
 
-            return entityObj.orElse(null);
+            return val;
         }
         catch (Exception e) {
             e.printStackTrace();
@@ -1513,6 +1584,7 @@ public class ReflectionManager {
                     DisguiseUtilities.getLogger()
                             .severe("Value: " + watch.getRawValue() + " (" + watch.getRawValue().getClass() + ") (" +
                                     nmsEntity.getClass() + ") & " + disguiseType.getWatcherClass().getSimpleName());
+
                     continue;
                 }