diff --git a/Core/src/main/java/su/nightexpress/excellentenchants/ExcellentEnchants.java b/Core/src/main/java/su/nightexpress/excellentenchants/ExcellentEnchants.java
index fd79fda..a7ee3ca 100644
--- a/Core/src/main/java/su/nightexpress/excellentenchants/ExcellentEnchants.java
+++ b/Core/src/main/java/su/nightexpress/excellentenchants/ExcellentEnchants.java
@@ -84,7 +84,9 @@ public class ExcellentEnchants extends NexPlugin<ExcellentEnchants> {
             this.tierManager.shutdown();
             this.tierManager = null;
         }
-        PlaceholderHook.shutdown();
+        if (EngineUtils.hasPlaceholderAPI()) {
+            PlaceholderHook.shutdown();
+        }
         this.registry.shutdown();
     }
 
@@ -124,7 +126,7 @@ public class ExcellentEnchants extends NexPlugin<ExcellentEnchants> {
     @Override
     public void registerHooks() {
         if (EngineUtils.hasPlaceholderAPI()) {
-            PlaceholderHook.setup();
+            PlaceholderHook.setup(this);
         }
     }
 
diff --git a/Core/src/main/java/su/nightexpress/excellentenchants/api/enchantment/IEnchantment.java b/Core/src/main/java/su/nightexpress/excellentenchants/api/enchantment/IEnchantment.java
index b5c3e8b..df57cb2 100644
--- a/Core/src/main/java/su/nightexpress/excellentenchants/api/enchantment/IEnchantment.java
+++ b/Core/src/main/java/su/nightexpress/excellentenchants/api/enchantment/IEnchantment.java
@@ -3,7 +3,6 @@ package su.nightexpress.excellentenchants.api.enchantment;
 import org.bukkit.Keyed;
 import org.bukkit.enchantments.Enchantment;
 import org.bukkit.entity.LivingEntity;
-import org.bukkit.event.EventPriority;
 import org.bukkit.inventory.ItemStack;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
diff --git a/Core/src/main/java/su/nightexpress/excellentenchants/command/BookCommand.java b/Core/src/main/java/su/nightexpress/excellentenchants/command/BookCommand.java
index ba28383..a63f2f2 100644
--- a/Core/src/main/java/su/nightexpress/excellentenchants/command/BookCommand.java
+++ b/Core/src/main/java/su/nightexpress/excellentenchants/command/BookCommand.java
@@ -51,7 +51,7 @@ public class BookCommand extends AbstractCommand<ExcellentEnchants> {
             return;
         }
 
-        Player player = plugin.getServer().getPlayer(result.getArg(1));
+        Player player = PlayerUtil.getPlayer(result.getArg(1));
         if (player == null) {
             this.errorPlayer(sender);
             return;
diff --git a/Core/src/main/java/su/nightexpress/excellentenchants/command/TierbookCommand.java b/Core/src/main/java/su/nightexpress/excellentenchants/command/TierbookCommand.java
index a7bddce..0fbcb5d 100644
--- a/Core/src/main/java/su/nightexpress/excellentenchants/command/TierbookCommand.java
+++ b/Core/src/main/java/su/nightexpress/excellentenchants/command/TierbookCommand.java
@@ -53,7 +53,7 @@ public class TierbookCommand extends AbstractCommand<ExcellentEnchants> {
             return;
         }
 
-        Player player = plugin.getServer().getPlayer(result.getArg(1));
+        Player player = PlayerUtil.getPlayer(result.getArg(1));
         if (player == null) {
             this.errorPlayer(sender);
             return;
diff --git a/Core/src/main/java/su/nightexpress/excellentenchants/config/Config.java b/Core/src/main/java/su/nightexpress/excellentenchants/config/Config.java
index b8576f0..76b0064 100644
--- a/Core/src/main/java/su/nightexpress/excellentenchants/config/Config.java
+++ b/Core/src/main/java/su/nightexpress/excellentenchants/config/Config.java
@@ -6,14 +6,13 @@ import org.jetbrains.annotations.NotNull;
 import su.nexmedia.engine.api.config.JOption;
 import su.nexmedia.engine.api.config.JYML;
 import su.nexmedia.engine.utils.Colorizer;
+import su.nexmedia.engine.utils.Colors2;
 import su.nexmedia.engine.utils.StringUtil;
 import su.nightexpress.excellentenchants.Placeholders;
 import su.nightexpress.excellentenchants.enchantment.type.ObtainType;
+import su.nightexpress.excellentenchants.tier.Tier;
 
-import java.util.Map;
-import java.util.Optional;
-import java.util.Set;
-import java.util.TreeMap;
+import java.util.*;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
@@ -139,4 +138,24 @@ public class Config {
         ObtainSettings settings = OBTAIN_SETTINGS.get().get(obtainType);
         return settings == null || !settings.isEnabled() ? Optional.empty() : Optional.of(settings);
     }
+
+    @NotNull
+    public static List<Tier> getDefaultTiers() {
+        List<Tier> list = new ArrayList<>();
+        list.add(new Tier("common", 1, "Common", Colors2.WHITE, getObtainWeight(50D)));
+        list.add(new Tier("rare", 2, "Rare", Colors2.GREEN, getObtainWeight(25D)));
+        list.add(new Tier("unique", 3, "Unique", Colors2.YELLOW, getObtainWeight(15D)));
+        list.add(new Tier("legendary", 4, "Legendary", Colors2.ORANGE, getObtainWeight(5D)));
+        list.add(new Tier("cursed", 0, "Cursed", Colors2.RED, getObtainWeight(5D)));
+        return list;
+    }
+
+    @NotNull
+    private static Map<ObtainType, Double> getObtainWeight(double weight) {
+        Map<ObtainType, Double> map = new HashMap<>();
+        for (ObtainType obtainType : ObtainType.values()) {
+            map.put(obtainType, weight);
+        }
+        return map;
+    }
 }
diff --git a/Core/src/main/java/su/nightexpress/excellentenchants/config/Lang.java b/Core/src/main/java/su/nightexpress/excellentenchants/config/Lang.java
index f6e7dc8..1baeeba 100644
--- a/Core/src/main/java/su/nightexpress/excellentenchants/config/Lang.java
+++ b/Core/src/main/java/su/nightexpress/excellentenchants/config/Lang.java
@@ -3,7 +3,7 @@ package su.nightexpress.excellentenchants.config;
 import su.nexmedia.engine.api.lang.LangKey;
 import su.nexmedia.engine.lang.EngineLang;
 
-import static su.nexmedia.engine.utils.Colors.*;
+import static su.nexmedia.engine.utils.Colors2.*;
 import static su.nightexpress.excellentenchants.Placeholders.*;
 
 public class Lang extends EngineLang {
@@ -12,18 +12,18 @@ public class Lang extends EngineLang {
 
     public static final LangKey COMMAND_ENCHANT_USAGE         = LangKey.of("Command.Enchant.Usage", "<enchant> <level> [player] [slot]");
     public static final LangKey COMMAND_ENCHANT_DESC          = LangKey.of("Command.Enchant.Desc", "Enchants the item in your hand.");
-    public static final LangKey COMMAND_ENCHANT_DONE_SELF     = LangKey.of("Command.Enchant.Done.Self", ORANGE + GENERIC_ITEM + LIGHT_YELLOW + " enchanted with " + GENERIC_ENCHANT + " " + GENERIC_LEVEL + LIGHT_YELLOW + "!");
-    public static final LangKey COMMAND_ENCHANT_DONE_OTHERS   = LangKey.of("Command.Enchant.Done.Others", ORANGE + PLAYER_NAME + LIGHT_YELLOW + "'s " + ORANGE + GENERIC_ITEM + LIGHT_YELLOW + " enchanted with " + GENERIC_ENCHANT + " " + GENERIC_LEVEL + LIGHT_YELLOW + "!");
+    public static final LangKey COMMAND_ENCHANT_DONE_SELF     = LangKey.of("Command.Enchant.Done.Self", LIGHT_ORANGE + GENERIC_ITEM + LIGHT_YELLOW + " enchanted with " + GENERIC_ENCHANT + " " + GENERIC_LEVEL + LIGHT_YELLOW + "!");
+    public static final LangKey COMMAND_ENCHANT_DONE_OTHERS   = LangKey.of("Command.Enchant.Done.Others", LIGHT_ORANGE + PLAYER_DISPLAY_NAME + LIGHT_YELLOW + "'s " + LIGHT_ORANGE + GENERIC_ITEM + LIGHT_YELLOW + " enchanted with " + GENERIC_ENCHANT + " " + GENERIC_LEVEL + LIGHT_YELLOW + "!");
     public static final LangKey COMMAND_ENCHANT_ERROR_NO_ITEM = LangKey.of("Command.Enchant.Error.NoItem", RED + "There is no item to enchant!");
 
     public static final LangKey COMMAND_BOOK_USAGE = LangKey.of("Command.Book.Usage", "<player> <enchant> <level>");
     public static final LangKey COMMAND_BOOK_DESC  = LangKey.of("Command.Book.Desc", "Gives custom enchanted book.");
-    public static final LangKey COMMAND_BOOK_DONE  = LangKey.of("Command.Book.Done", LIGHT_YELLOW + "Given " + ORANGE + GENERIC_ENCHANT + LIGHT_YELLOW + " enchanted book to " + ORANGE + PLAYER_DISPLAY_NAME + LIGHT_YELLOW + ".");
+    public static final LangKey COMMAND_BOOK_DONE  = LangKey.of("Command.Book.Done", LIGHT_YELLOW + "Given " + LIGHT_ORANGE + GENERIC_ENCHANT + LIGHT_YELLOW + " enchanted book to " + LIGHT_ORANGE + PLAYER_DISPLAY_NAME + LIGHT_YELLOW + ".");
 
     public static final LangKey COMMAND_TIER_BOOK_USAGE = LangKey.of("Command.TierBook.Usage", "<player> <tier> <level>");
     public static final LangKey COMMAND_TIER_BOOK_DESC  = LangKey.of("Command.TierBook.Desc", "Gives an enchanted book.");
     public static final LangKey COMMAND_TIER_BOOK_ERROR = LangKey.of("Command.TierBook.Error", RED + "Invalid tier!");
-    public static final LangKey COMMAND_TIER_BOOK_DONE  = LangKey.of("Command.TierBook.Done", LIGHT_YELLOW + "Given " + ORANGE + TIER_NAME + LIGHT_YELLOW + " enchanted book to " + ORANGE + PLAYER_DISPLAY_NAME + LIGHT_YELLOW + ".");
+    public static final LangKey COMMAND_TIER_BOOK_DONE  = LangKey.of("Command.TierBook.Done", LIGHT_YELLOW + "Given " + LIGHT_ORANGE + TIER_NAME + LIGHT_YELLOW + " enchanted book to " + LIGHT_ORANGE + PLAYER_DISPLAY_NAME + LIGHT_YELLOW + ".");
 
     public static final LangKey ERROR_NO_ENCHANT = LangKey.of("Error.NoEnchant", RED + "Invalid enchantment.");
 
diff --git a/Core/src/main/java/su/nightexpress/excellentenchants/enchantment/config/EnchantScaler.java b/Core/src/main/java/su/nightexpress/excellentenchants/enchantment/config/EnchantScaler.java
index 811de83..c4041cf 100644
--- a/Core/src/main/java/su/nightexpress/excellentenchants/enchantment/config/EnchantScaler.java
+++ b/Core/src/main/java/su/nightexpress/excellentenchants/enchantment/config/EnchantScaler.java
@@ -2,18 +2,18 @@ package su.nightexpress.excellentenchants.enchantment.config;
 
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
-import su.nexmedia.engine.utils.Scaler;
+import su.nexmedia.engine.api.config.JYML;
+import su.nexmedia.engine.utils.StringUtil;
 import su.nightexpress.excellentenchants.Placeholders;
 import su.nightexpress.excellentenchants.enchantment.impl.ExcellentEnchant;
+import su.nightexpress.excellentenchants.enchantment.util.Evaluator;
 
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
+import java.util.*;
 
-public class EnchantScaler extends Scaler {
+public class EnchantScaler {
 
     public EnchantScaler(@NotNull ExcellentEnchant enchant, @NotNull String path) {
-        super(enchant.getConfig(), path, Placeholders.ENCHANTMENT_LEVEL, enchant.getStartLevel(), enchant.getMaxLevel());
+        this(enchant.getConfig(), path, Placeholders.ENCHANTMENT_LEVEL, enchant.getStartLevel(), enchant.getMaxLevel());
     }
 
     @NotNull
@@ -27,4 +27,54 @@ public class EnchantScaler extends Scaler {
         }
         return new EnchantScaler(enchant, path);
     }
+
+    private final int                      levelMin;
+    private final int                      levelMax;
+    private final TreeMap<Integer, Double> values;
+
+    public EnchantScaler(@NotNull JYML cfg, @NotNull String path, @NotNull String levelPlaceholder, int levelMin, int levelMax) {
+        this.levelMin = levelMin;
+        this.levelMax = levelMax;
+        this.values = new TreeMap<>();
+
+        // Load different values for each object level.
+        Set<String> lvlKeys = cfg.getSection(path);
+        if (!lvlKeys.isEmpty()) {
+            for (String sLvl : lvlKeys) {
+                int eLvl = StringUtil.getInteger(sLvl, 0);
+                if (eLvl < this.getLevelMin() || eLvl > this.getLevelMax()) continue;
+
+                String formula = cfg.getString(path + "." + sLvl, "0").replace(levelPlaceholder, sLvl);
+                values.put(eLvl, Evaluator.evaluate(formula));
+            }
+            return;
+        }
+
+        // Load the single formula for all object levels.
+        for (int lvl = this.getLevelMin(); lvl < (this.getLevelMax() + 1); lvl++) {
+            String sLvl = String.valueOf(lvl);
+            String exChance = cfg.getString(path, "").replace(levelPlaceholder, sLvl);
+            if (exChance.isEmpty()) continue;
+
+            values.put(lvl, Evaluator.evaluate(exChance));
+        }
+    }
+
+    public int getLevelMin() {
+        return this.levelMin;
+    }
+
+    public int getLevelMax() {
+        return this.levelMax;
+    }
+
+    @NotNull
+    public TreeMap<Integer, Double> getValues() {
+        return this.values;
+    }
+
+    public double getValue(int level) {
+        Map.Entry<Integer, Double> en = this.values.floorEntry(level);
+        return en != null ? en.getValue() : 0D;
+    }
 }
diff --git a/Core/src/main/java/su/nightexpress/excellentenchants/enchantment/impl/ExcellentEnchant.java b/Core/src/main/java/su/nightexpress/excellentenchants/enchantment/impl/ExcellentEnchant.java
index fd21885..5ddcaea 100644
--- a/Core/src/main/java/su/nightexpress/excellentenchants/enchantment/impl/ExcellentEnchant.java
+++ b/Core/src/main/java/su/nightexpress/excellentenchants/enchantment/impl/ExcellentEnchant.java
@@ -70,7 +70,7 @@ public abstract class ExcellentEnchant extends Enchantment implements IEnchantme
                 .add(Placeholders.ENCHANTMENT_LEVEL_MIN, () -> String.valueOf(this.getStartLevel()))
                 .add(Placeholders.ENCHANTMENT_LEVEL_MAX, () -> String.valueOf(this.getMaxLevel()))
                 .add(Placeholders.ENCHANTMENT_TIER, () -> this.getTier().getName())
-                .add(Placeholders.ENCHANTMENT_TIER_COLOR, () -> String.valueOf(this.getTier().getColor()))
+                .add(Placeholders.ENCHANTMENT_TIER_COLOR, () -> this.getTier().getColor())
                 .add(Placeholders.ENCHANTMENT_FIT_ITEM_TYPES, () -> String.join(", ", Stream.of(this.getFitItemTypes()).map(type -> plugin.getLangManager().getEnum(type)).toList()))
                 .add(Placeholders.ENCHANTMENT_OBTAIN_CHANCE_ENCHANTING, () -> NumberUtil.format(this.getObtainChance(ObtainType.ENCHANTING)))
                 .add(Placeholders.ENCHANTMENT_OBTAIN_CHANCE_VILLAGER, () -> NumberUtil.format(this.getObtainChance(ObtainType.VILLAGER)))
diff --git a/Core/src/main/java/su/nightexpress/excellentenchants/enchantment/listener/EnchantAnvilListener.java b/Core/src/main/java/su/nightexpress/excellentenchants/enchantment/listener/EnchantAnvilListener.java
index 6e83676..f414428 100644
--- a/Core/src/main/java/su/nightexpress/excellentenchants/enchantment/listener/EnchantAnvilListener.java
+++ b/Core/src/main/java/su/nightexpress/excellentenchants/enchantment/listener/EnchantAnvilListener.java
@@ -33,12 +33,12 @@ public class EnchantAnvilListener extends AbstractListener<ExcellentEnchants> {
     }
 
     @EventHandler(priority = EventPriority.HIGH)
-    public void onAnvilRename(PrepareAnvilEvent e) {
-        AnvilInventory inventory = e.getInventory();
+    public void onAnvilRename(PrepareAnvilEvent event) {
+        AnvilInventory inventory = event.getInventory();
 
         ItemStack first = inventory.getItem(0);
         ItemStack second = inventory.getItem(1);
-        ItemStack result = e.getResult();
+        ItemStack result = event.getResult();
 
         if (first == null) first = new ItemStack(Material.AIR);
         if (second == null) second = new ItemStack(Material.AIR);
@@ -47,10 +47,10 @@ public class EnchantAnvilListener extends AbstractListener<ExcellentEnchants> {
         // Check if source item is an enchantable single item.
         if (first.getType().isAir() || first.getAmount() > 1 || !EnchantUtils.isEnchantable(first)) return;
 
-        if (this.handleRename(e, first, second, result)) return;
-        if (this.handleRecharge(e, first, second, result)) return;
+        if (this.handleRename(event, first, second, result)) return;
+        if (this.handleRecharge(event, first, second, result)) return;
 
-        this.handleEnchantMerging(e, first, second, result);
+        this.handleEnchantMerging(event, first, second, result);
     }
 
     private boolean handleRename(@NotNull PrepareAnvilEvent event,
diff --git a/Core/src/main/java/su/nightexpress/excellentenchants/enchantment/registry/EnchantRegistry.java b/Core/src/main/java/su/nightexpress/excellentenchants/enchantment/registry/EnchantRegistry.java
index 787e3fb..f9b3f29 100644
--- a/Core/src/main/java/su/nightexpress/excellentenchants/enchantment/registry/EnchantRegistry.java
+++ b/Core/src/main/java/su/nightexpress/excellentenchants/enchantment/registry/EnchantRegistry.java
@@ -235,15 +235,20 @@ public class EnchantRegistry extends AbstractManager<ExcellentEnchants> {
     }
 
     @NotNull
-    public static Set<PassiveEnchant> getPeriodicTalents() {
+    public static Set<PassiveEnchant> getPeriodicEnchants() {
         return getEnchantments(PassiveEnchant.class);
     }
 
     @NotNull
-    @SuppressWarnings("unchecked")
     public static <T extends IEnchantment> Set<T> getEnchantments(@NotNull Class<T> clazz) {
-        Set<? super T> set = new HashSet<>(ENCHANTS_MAP.getOrDefault(clazz, Collections.emptySet()));
-        return (Set<T>) set;
+        Set<T> enchants = new HashSet<>();
+
+        ENCHANTS_MAP.getOrDefault(clazz, Collections.emptySet()).forEach(talent -> {
+            enchants.add(clazz.cast(talent));
+        });
+        return enchants;
+        //Set<? super T> set = new HashSet<>(ENCHANTS_MAP.getOrDefault(clazz, Collections.emptySet()));
+        //return (Set<T>) set;
     }
 
     @Nullable
diff --git a/Core/src/main/java/su/nightexpress/excellentenchants/enchantment/util/Evaluator.java b/Core/src/main/java/su/nightexpress/excellentenchants/enchantment/util/Evaluator.java
new file mode 100644
index 0000000..00a4e18
--- /dev/null
+++ b/Core/src/main/java/su/nightexpress/excellentenchants/enchantment/util/Evaluator.java
@@ -0,0 +1,94 @@
+package su.nightexpress.excellentenchants.enchantment.util;
+
+import org.jetbrains.annotations.NotNull;
+
+public class Evaluator {
+
+    public static double evaluate(@NotNull final String str) {
+        return new Object() {
+            int pos = -1, ch;
+
+            void nextChar() {
+                ch = (++pos < str.length()) ? str.charAt(pos) : -1;
+            }
+
+            boolean eat(int charToEat) {
+                while (ch == ' ') nextChar();
+                if (ch == charToEat) {
+                    nextChar();
+                    return true;
+                }
+                return false;
+            }
+
+            double parse() {
+                nextChar();
+                double x = parseExpression();
+                if (pos < str.length()) throw new RuntimeException("Unexpected: " + (char)ch);
+                return x;
+            }
+
+            // Grammar:
+            // expression = term | expression `+` term | expression `-` term
+            // term = factor | term `*` factor | term `/` factor
+            // factor = `+` factor | `-` factor | `(` expression `)` | number
+            //        | functionName `(` expression `)` | functionName factor
+            //        | factor `^` factor
+
+            double parseExpression() {
+                double x = parseTerm();
+                for (;;) {
+                    if      (eat('+')) x += parseTerm(); // addition
+                    else if (eat('-')) x -= parseTerm(); // subtraction
+                    else return x;
+                }
+            }
+
+            double parseTerm() {
+                double x = parseFactor();
+                for (;;) {
+                    if      (eat('*')) x *= parseFactor(); // multiplication
+                    else if (eat('/')) x /= parseFactor(); // division
+                    else return x;
+                }
+            }
+
+            double parseFactor() {
+                if (eat('+')) return +parseFactor(); // unary plus
+                if (eat('-')) return -parseFactor(); // unary minus
+
+                double x;
+                int startPos = this.pos;
+                if (eat('(')) { // parentheses
+                    x = parseExpression();
+                    if (!eat(')')) throw new RuntimeException("Missing ')'");
+                } else if ((ch >= '0' && ch <= '9') || ch == '.') { // numbers
+                    while ((ch >= '0' && ch <= '9') || ch == '.') nextChar();
+                    x = Double.parseDouble(str.substring(startPos, this.pos));
+                } else if (ch >= 'a' && ch <= 'z') { // functions
+                    while (ch >= 'a' && ch <= 'z') nextChar();
+                    String func = str.substring(startPos, this.pos);
+                    if (eat('(')) {
+                        x = parseExpression();
+                        if (!eat(')')) throw new RuntimeException("Missing ')' after argument to " + func);
+                    } else {
+                        x = parseFactor();
+                    }
+                    x = switch (func) {
+                        case "sqrt" -> Math.sqrt(x);
+                        case "sin" -> Math.sin(Math.toRadians(x));
+                        case "cos" -> Math.cos(Math.toRadians(x));
+                        case "tan" -> Math.tan(Math.toRadians(x));
+                        default -> throw new RuntimeException("Unknown function: " + func);
+                    };
+                } else {
+                    throw new RuntimeException("Unexpected: " + (char)ch);
+                }
+
+                if (eat('^')) x = Math.pow(x, parseFactor()); // exponentiation
+
+                return x;
+            }
+        }.parse();
+    }
+}
diff --git a/Core/src/main/java/su/nightexpress/excellentenchants/hook/impl/PlaceholderHook.java b/Core/src/main/java/su/nightexpress/excellentenchants/hook/impl/PlaceholderHook.java
index f2cde44..739e839 100644
--- a/Core/src/main/java/su/nightexpress/excellentenchants/hook/impl/PlaceholderHook.java
+++ b/Core/src/main/java/su/nightexpress/excellentenchants/hook/impl/PlaceholderHook.java
@@ -8,6 +8,7 @@ import org.bukkit.inventory.ItemStack;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import su.nexmedia.engine.utils.StringUtil;
+import su.nightexpress.excellentenchants.ExcellentEnchants;
 import su.nightexpress.excellentenchants.ExcellentEnchantsAPI;
 import su.nightexpress.excellentenchants.enchantment.impl.ExcellentEnchant;
 import su.nightexpress.excellentenchants.enchantment.registry.EnchantRegistry;
@@ -16,9 +17,9 @@ public class PlaceholderHook {
 
     private static EnchantsExpansion expansion;
 
-    public static void setup() {
+    public static void setup(@NotNull ExcellentEnchants plugin) {
         if (expansion == null) {
-            expansion = new EnchantsExpansion();
+            expansion = new EnchantsExpansion(plugin);
             expansion.register();
         }
     }
@@ -32,22 +33,28 @@ public class PlaceholderHook {
 
     static class EnchantsExpansion extends PlaceholderExpansion {
 
+        private final ExcellentEnchants plugin;
+
+        public EnchantsExpansion(@NotNull ExcellentEnchants plugin) {
+            this.plugin = plugin;
+        }
+
         @Override
         @NotNull
         public String getIdentifier() {
-            return "excellentenchants";
+            return this.plugin.getName().toLowerCase();
         }
 
         @Override
         @NotNull
         public String getAuthor() {
-            return ExcellentEnchantsAPI.PLUGIN.getDescription().getAuthors().get(0);
+            return this.plugin.getDescription().getAuthors().get(0);
         }
 
         @Override
         @NotNull
         public String getVersion() {
-            return ExcellentEnchantsAPI.PLUGIN.getDescription().getVersion();
+            return this.plugin.getDescription().getVersion();
         }
 
         @Override
diff --git a/Core/src/main/java/su/nightexpress/excellentenchants/tier/Tier.java b/Core/src/main/java/su/nightexpress/excellentenchants/tier/Tier.java
index 49a9cdd..83cc2f1 100644
--- a/Core/src/main/java/su/nightexpress/excellentenchants/tier/Tier.java
+++ b/Core/src/main/java/su/nightexpress/excellentenchants/tier/Tier.java
@@ -1,7 +1,7 @@
 package su.nightexpress.excellentenchants.tier;
 
-import net.md_5.bungee.api.ChatColor;
 import org.jetbrains.annotations.NotNull;
+import su.nexmedia.engine.api.config.JYML;
 import su.nexmedia.engine.api.placeholder.Placeholder;
 import su.nexmedia.engine.api.placeholder.PlaceholderMap;
 import su.nexmedia.engine.utils.Colorizer;
@@ -16,16 +16,16 @@ public class Tier implements Placeholder {
     private final String                  id;
     private final int                     priority;
     private final String                  name;
-    private final ChatColor               color;
+    private final String               color;
     private final Map<ObtainType, Double> chance;
     private final PlaceholderMap placeholderMap;
 
-    public Tier(@NotNull String id, int priority, @NotNull String name, @NotNull ChatColor color,
+    public Tier(@NotNull String id, int priority, @NotNull String name, @NotNull String color,
                 @NotNull Map<ObtainType, Double> chance) {
         this.id = id.toLowerCase();
         this.priority = priority;
         this.name = Colorizer.apply(name);
-        this.color = color;
+        this.color = Colorizer.apply(color);
         this.chance = chance;
         this.placeholderMap = new PlaceholderMap()
             .add(Placeholders.TIER_ID, this::getId)
@@ -38,6 +38,16 @@ public class Tier implements Placeholder {
         ;
     }
 
+    public void write(@NotNull JYML cfg, @NotNull String path) {
+        cfg.set(path + ".Name", this.getName());
+        cfg.set(path + ".Color", this.getColor());
+        cfg.set(path + ".Priority", this.getPriority());
+        cfg.remove(path + ".Obtain_Chance");
+        this.getChance().forEach((type, chance) -> {
+            cfg.set(path + ".Obtain_Chance." + type.name(), chance);
+        });
+    }
+
     @Override
     @NotNull
     public PlaceholderMap getPlaceholders() {
@@ -59,7 +69,7 @@ public class Tier implements Placeholder {
     }
 
     @NotNull
-    public ChatColor getColor() {
+    public String getColor() {
         return this.color;
     }
 
diff --git a/Core/src/main/java/su/nightexpress/excellentenchants/tier/TierManager.java b/Core/src/main/java/su/nightexpress/excellentenchants/tier/TierManager.java
index 98d8b23..cd13c42 100644
--- a/Core/src/main/java/su/nightexpress/excellentenchants/tier/TierManager.java
+++ b/Core/src/main/java/su/nightexpress/excellentenchants/tier/TierManager.java
@@ -1,48 +1,43 @@
 package su.nightexpress.excellentenchants.tier;
 
-import net.md_5.bungee.api.ChatColor;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import su.nexmedia.engine.api.config.JYML;
 import su.nexmedia.engine.api.manager.AbstractManager;
+import su.nexmedia.engine.utils.Colors2;
 import su.nexmedia.engine.utils.random.Rnd;
 import su.nightexpress.excellentenchants.ExcellentEnchants;
+import su.nightexpress.excellentenchants.config.Config;
 import su.nightexpress.excellentenchants.enchantment.type.ObtainType;
 
 import java.util.*;
-import java.util.concurrent.ConcurrentHashMap;
 import java.util.stream.Collectors;
 
 public class TierManager extends AbstractManager<ExcellentEnchants> {
 
     public static final String FILE_NAME = "tiers.yml";
 
-    private JYML                    config;
-    private final Map<String, Tier> tiers;
+    private final Map<String, Tier> tierMap;
 
     public TierManager(@NotNull ExcellentEnchants plugin) {
         super(plugin);
-        this.tiers = new ConcurrentHashMap<>();
-
+        this.tierMap = new HashMap<>();
     }
 
     @Override
     protected void onLoad() {
-        this.config = JYML.loadOrExtract(plugin, FILE_NAME);
+        JYML config = this.getConfig();
+
+        if (config.getSection("").isEmpty()) {
+            Config.getDefaultTiers().forEach(tier -> tier.write(config, tier.getId()));
+        }
 
         for (String sId : config.getSection("")) {
             String path = sId + ".";
 
             int priority = config.getInt(path + "Priority");
             String name = config.getString(path + "Name", sId);
-
-            ChatColor color;
-            try {
-                color = ChatColor.of(config.getString(path + "Color", ChatColor.WHITE.getName()));
-            }
-            catch (IllegalArgumentException e) {
-                color = ChatColor.WHITE;
-            }
+            String color = config.getString(path + "Color", Colors2.WHITE);
 
             Map<ObtainType, Double> chance = new HashMap<>();
             for (ObtainType obtainType : ObtainType.values()) {
@@ -53,35 +48,41 @@ public class TierManager extends AbstractManager<ExcellentEnchants> {
             }
 
             Tier tier = new Tier(sId, priority, name, color, chance);
-            this.tiers.put(tier.getId(), tier);
+            this.tierMap.put(tier.getId(), tier);
         }
+        config.saveChanges();
 
-        this.plugin.info("Tiers Loaded: " + this.tiers.size());
+        this.plugin.info("Tiers Loaded: " + this.tierMap.size());
     }
 
     @Override
     protected void onShutdown() {
-        this.tiers.clear();
+        this.tierMap.clear();
     }
 
     @NotNull
     public JYML getConfig() {
-        return config;
+        return JYML.loadOrExtract(plugin, FILE_NAME);
     }
 
-    @Nullable
-    public Tier getTierById(@NotNull String id) {
-        return this.tiers.get(id.toLowerCase());
+    @NotNull
+    public Map<String, Tier> getTierMap() {
+        return tierMap;
     }
 
     @NotNull
     public Collection<Tier> getTiers() {
-        return this.tiers.values();
+        return this.getTierMap().values();
+    }
+
+    @Nullable
+    public Tier getTierById(@NotNull String id) {
+        return this.getTierMap().get(id.toLowerCase());
     }
 
     @NotNull
     public List<String> getTierIds() {
-        return new ArrayList<>(this.tiers.keySet());
+        return new ArrayList<>(this.getTierMap().keySet());
     }
 
     @Nullable
diff --git a/Core/src/main/resources/lang/messages_ru.yml b/Core/src/main/resources/lang/messages_ru.yml
index e0f46f1..b216be8 100644
--- a/Core/src/main/resources/lang/messages_ru.yml
+++ b/Core/src/main/resources/lang/messages_ru.yml
@@ -2,9 +2,8 @@ Command:
   List:
     Desc: 'Меню дополнительных зачарований.'
   Enchant:
-    Usage: '<зачарование> <уровень>'
+    Usage: '<зачарование> <уровень> [игрок] [слот]'
     Desc: 'Зачарование предмета в руке.'
-    Done: '&aУспешно зачаровано!'
   Book:
     Usage: '<игрок> <зачарование> <уровень>'
     Desc: 'Выдача книги с указанным зачарованием.'
diff --git a/Core/src/main/resources/tiers.yml b/Core/src/main/resources/tiers.yml
deleted file mode 100644
index 0d928b4..0000000
--- a/Core/src/main/resources/tiers.yml
+++ /dev/null
@@ -1,50 +0,0 @@
-common:
-  Name: 'Common'
-  Color: 'WHITE'
-  Priority: 1
-  Obtain_Chance:
-    ENCHANTING: 80.0
-    VILLAGER: 80.0
-    LOOT_GENERATION: 80.0
-    FISHING: 80.0
-    MOB_SPAWNING: 80.0
-rare:
-  Name: 'Rare'
-  Color: 'GREEN'
-  Priority: 2
-  Obtain_Chance:
-    ENCHANTING: 50.0
-    VILLAGER: 50.0
-    LOOT_GENERATION: 50.0
-    FISHING: 50.0
-    MOB_SPAWNING: 50.0
-exotic:
-  Name: 'Exotic'
-  Color: 'YELLOW'
-  Priority: 3
-  Obtain_Chance:
-    ENCHANTING: 25.0
-    VILLAGER: 25.0
-    LOOT_GENERATION: 25.0
-    FISHING: 25.0
-    MOB_SPAWNING: 25.0
-legendary:
-  Name: 'Legendary'
-  Color: 'GOLD'
-  Priority: 4
-  Obtain_Chance:
-    ENCHANTING: 10.0
-    VILLAGER: 10.0
-    LOOT_GENERATION: 10.0
-    FISHING: 10.0
-    MOB_SPAWNING: 10.0
-cursed:
-  Name: 'Cursed'
-  Color: 'RED'
-  Priority: 0
-  Obtain_Chance:
-    ENCHANTING: 0.0
-    VILLAGER: 5.0
-    LOOT_GENERATION: 7.0
-    FISHING: 12.0
-    MOB_SPAWNING: 0.0
\ No newline at end of file