diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index cf40006c0..db9a7c67b 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -7,7 +7,7 @@ adventure = "4.9.3"
 kotlin = "1.6.10"
 hydrazine = "1.7.2"
 dependencyGetter = "v1.0.1"
-minestomData = "eadcb99e14"
+minestomData = "cb6bac3fbc"
 hephaistos = "2.4.2"
 jetbrainsAnnotations = "23.0.0"
 
diff --git a/src/main/java/net/minestom/server/MinecraftServer.java b/src/main/java/net/minestom/server/MinecraftServer.java
index 7d6a0af39..bff1fa29b 100644
--- a/src/main/java/net/minestom/server/MinecraftServer.java
+++ b/src/main/java/net/minestom/server/MinecraftServer.java
@@ -46,8 +46,8 @@ public final class MinecraftServer {
 
     public final static Logger LOGGER = LoggerFactory.getLogger(MinecraftServer.class);
 
-    public static final String VERSION_NAME = "1.18.1";
-    public static final int PROTOCOL_VERSION = 757;
+    public static final String VERSION_NAME = "1.18.2";
+    public static final int PROTOCOL_VERSION = 758;
 
     // Threads
     public static final String THREAD_NAME_BENCHMARK = "Ms-Benchmark";
diff --git a/src/main/java/net/minestom/server/network/packet/server/play/JoinGamePacket.java b/src/main/java/net/minestom/server/network/packet/server/play/JoinGamePacket.java
index 724dea46b..5c40bfe46 100644
--- a/src/main/java/net/minestom/server/network/packet/server/play/JoinGamePacket.java
+++ b/src/main/java/net/minestom/server/network/packet/server/play/JoinGamePacket.java
@@ -33,9 +33,7 @@ public record JoinGamePacket(int entityId, boolean isHardcore, GameMode gameMode
             writer.writeByte((byte) -1);
         }
 
-        //array of worlds
-        writer.writeVarInt(1);
-        writer.writeSizedString("minestom:world");
+        writer.writeVarIntList(worlds, BinaryWriter::writeSizedString);
 
         writer.writeNBT("", dimensionCodec);
         writer.writeNBT("", dimension);
diff --git a/src/main/java/net/minestom/server/network/packet/server/play/RemoveEntityEffectPacket.java b/src/main/java/net/minestom/server/network/packet/server/play/RemoveEntityEffectPacket.java
index 5d5655fcc..a69b1acab 100644
--- a/src/main/java/net/minestom/server/network/packet/server/play/RemoveEntityEffectPacket.java
+++ b/src/main/java/net/minestom/server/network/packet/server/play/RemoveEntityEffectPacket.java
@@ -11,13 +11,13 @@ import java.util.Objects;
 
 public record RemoveEntityEffectPacket(int entityId, @NotNull PotionEffect potionEffect) implements ServerPacket {
     public RemoveEntityEffectPacket(BinaryReader reader) {
-        this(reader.readVarInt(), Objects.requireNonNull(PotionEffect.fromId(reader.readByte())));
+        this(reader.readVarInt(), Objects.requireNonNull(PotionEffect.fromId(reader.readVarInt())));
     }
 
     @Override
     public void write(@NotNull BinaryWriter writer) {
         writer.writeVarInt(entityId);
-        writer.writeByte((byte) potionEffect.id());
+        writer.writeVarInt(potionEffect.id());
     }
 
     @Override
diff --git a/src/main/java/net/minestom/server/potion/Potion.java b/src/main/java/net/minestom/server/potion/Potion.java
index 8edf3a79d..181bfb37b 100644
--- a/src/main/java/net/minestom/server/potion/Potion.java
+++ b/src/main/java/net/minestom/server/potion/Potion.java
@@ -109,7 +109,7 @@ public record Potion(@NotNull PotionEffect effect, byte amplifier,
 
     @Override
     public void write(@NotNull BinaryWriter writer) {
-        writer.writeByte((byte) effect.id());
+        writer.writeVarInt(effect.id());
         writer.writeByte(amplifier);
         writer.writeVarInt(duration);
         writer.writeByte(flags);
diff --git a/src/main/java/net/minestom/server/world/DimensionType.java b/src/main/java/net/minestom/server/world/DimensionType.java
index 22a8b29fa..bbd7d72ec 100644
--- a/src/main/java/net/minestom/server/world/DimensionType.java
+++ b/src/main/java/net/minestom/server/world/DimensionType.java
@@ -94,7 +94,7 @@ public class DimensionType {
     public static DimensionType fromNBT(NBTCompound nbt) {
         return DimensionType.builder(NamespaceID.from(nbt.getString("name")))
                 .ambientLight(nbt.getFloat("ambient_light"))
-                .infiniburn(NamespaceID.from(nbt.getString("infiniburn")))
+                .infiniburn(NamespaceID.from(nbt.getString("infiniburn").replaceFirst("#", "")))
                 .natural(nbt.getByte("natural") != 0)
                 .ceilingEnabled(nbt.getByte("has_ceiling") != 0)
                 .skylightEnabled(nbt.getByte("has_skylight") != 0)
@@ -121,7 +121,7 @@ public class DimensionType {
     public NBTCompound toNBT() {
         return NBT.Compound(nbt -> {
             nbt.setFloat("ambient_light", ambientLight);
-            nbt.setString("infiniburn", infiniburn.toString());
+            nbt.setString("infiniburn", "#" + infiniburn.toString());
             nbt.setByte("natural", (byte) (natural ? 0x01 : 0x00));
             nbt.setByte("has_ceiling", (byte) (ceilingEnabled ? 0x01 : 0x00));
             nbt.setByte("has_skylight", (byte) (skylightEnabled ? 0x01 : 0x00));