diff --git a/core/src/main/java/org/geysermc/geyser/entity/type/player/SessionPlayerEntity.java b/core/src/main/java/org/geysermc/geyser/entity/type/player/SessionPlayerEntity.java
index ad6729c42..31eb02984 100644
--- a/core/src/main/java/org/geysermc/geyser/entity/type/player/SessionPlayerEntity.java
+++ b/core/src/main/java/org/geysermc/geyser/entity/type/player/SessionPlayerEntity.java
@@ -220,7 +220,7 @@ public class SessionPlayerEntity extends PlayerEntity {
     public void setLastDeathPosition(@Nullable GlobalPos pos) {
         if (pos != null) {
             dirtyMetadata.put(EntityDataTypes.PLAYER_LAST_DEATH_POS, pos.getPosition());
-            dirtyMetadata.put(EntityDataTypes.PLAYER_LAST_DEATH_DIMENSION, DimensionUtils.javaToBedrock(pos.getDimension()));
+            dirtyMetadata.put(EntityDataTypes.PLAYER_LAST_DEATH_DIMENSION, DimensionUtils.javaToBedrock(pos.getDimension().asString()));
             dirtyMetadata.put(EntityDataTypes.PLAYER_HAS_DIED, true);
         } else {
             dirtyMetadata.put(EntityDataTypes.PLAYER_HAS_DIED, false);
diff --git a/core/src/main/java/org/geysermc/geyser/inventory/item/BannerPattern.java b/core/src/main/java/org/geysermc/geyser/inventory/item/BannerPattern.java
index b6cc2c206..743fbdc7e 100644
--- a/core/src/main/java/org/geysermc/geyser/inventory/item/BannerPattern.java
+++ b/core/src/main/java/org/geysermc/geyser/inventory/item/BannerPattern.java
@@ -26,7 +26,9 @@
 package org.geysermc.geyser.inventory.item;
 
 import lombok.Getter;
+import net.kyori.adventure.key.Key;
 import org.checkerframework.checker.nullness.qual.Nullable;
+import org.geysermc.geyser.util.MinecraftKey;
 
 import java.util.Locale;
 
@@ -78,17 +80,17 @@ public enum BannerPattern {
 
     private static final BannerPattern[] VALUES = values();
 
-    private final String javaIdentifier;
+    private final Key javaIdentifier;
     private final String bedrockIdentifier;
 
     BannerPattern(String bedrockIdentifier) {
-        this.javaIdentifier = "minecraft:" + this.name().toLowerCase(Locale.ROOT);
+        this.javaIdentifier = MinecraftKey.key(this.name().toLowerCase(Locale.ROOT));
         this.bedrockIdentifier = bedrockIdentifier;
     }
 
-    public static @Nullable BannerPattern getByJavaIdentifier(String javaIdentifier) {
+    public static @Nullable BannerPattern getByJavaIdentifier(Key key) {
         for (BannerPattern bannerPattern : VALUES) {
-            if (bannerPattern.javaIdentifier.equals(javaIdentifier)) {
+            if (bannerPattern.javaIdentifier.equals(key)) {
                 return bannerPattern;
             }
         }
diff --git a/core/src/main/java/org/geysermc/geyser/inventory/recipe/TrimRecipe.java b/core/src/main/java/org/geysermc/geyser/inventory/recipe/TrimRecipe.java
index 9d9dbe0db..8289813a4 100644
--- a/core/src/main/java/org/geysermc/geyser/inventory/recipe/TrimRecipe.java
+++ b/core/src/main/java/org/geysermc/geyser/inventory/recipe/TrimRecipe.java
@@ -47,7 +47,7 @@ public final class TrimRecipe {
     public static final ItemDescriptorWithCount TEMPLATE = tagDescriptor("minecraft:trim_templates");
 
     public static TrimMaterial readTrimMaterial(GeyserSession session, RegistryEntry entry) {
-        String key = stripMinecraftNamespace(entry.getId());
+        String key = entry.getId().asMinimalString();
 
         // Color is used when hovering over the item
         // Find the nearest legacy color from the RGB Java gives us to work with
@@ -67,7 +67,7 @@ public final class TrimRecipe {
     }
 
     public static TrimPattern readTrimPattern(GeyserSession session, RegistryEntry entry) {
-        String key = stripMinecraftNamespace(entry.getId());
+        String key = entry.getId().asMinimalString();
 
         String itemIdentifier = entry.getData().getString("template_item");
         ItemMapping itemMapping = session.getItemMappings().getMapping(itemIdentifier);
@@ -78,19 +78,6 @@ public final class TrimRecipe {
         return new TrimPattern(itemMapping.getBedrockIdentifier(), key);
     }
 
-    // TODO find a good place for a stripNamespace util method
-    private static String stripMinecraftNamespace(String identifier) {
-        int i = identifier.indexOf(':');
-        if (i >= 0) {
-            String namespace = identifier.substring(0, i);
-            // Only strip minecraft namespace
-            if (namespace.equals("minecraft")) {
-                return identifier.substring(i + 1);
-            }
-        }
-        return identifier;
-    }
-
     private TrimRecipe() {
         //no-op
     }
diff --git a/core/src/main/java/org/geysermc/geyser/item/enchantment/Enchantment.java b/core/src/main/java/org/geysermc/geyser/item/enchantment/Enchantment.java
index 468b88e87..c5c0d2611 100644
--- a/core/src/main/java/org/geysermc/geyser/item/enchantment/Enchantment.java
+++ b/core/src/main/java/org/geysermc/geyser/item/enchantment/Enchantment.java
@@ -31,6 +31,7 @@ import org.geysermc.geyser.inventory.item.BedrockEnchantment;
 import org.geysermc.geyser.session.cache.tags.EnchantmentTag;
 import org.geysermc.geyser.session.cache.tags.ItemTag;
 import org.geysermc.geyser.translator.text.MessageTranslator;
+import org.geysermc.geyser.util.MinecraftKey;
 import org.geysermc.mcprotocollib.protocol.data.game.RegistryEntry;
 
 import java.util.HashSet;
@@ -59,11 +60,11 @@ public record Enchantment(String identifier,
         int maxLevel = data.getInt("max_level");
         int anvilCost = data.getInt("anvil_cost");
         String exclusiveSet = data.getString("exclusive_set", null);
-        EnchantmentTag exclusiveSetTag = exclusiveSet == null ? null : EnchantmentTag.ALL_ENCHANTMENT_TAGS.get(exclusiveSet.substring(1));
-        BedrockEnchantment bedrockEnchantment = BedrockEnchantment.getByJavaIdentifier(entry.getId());
+        EnchantmentTag exclusiveSetTag = exclusiveSet == null ? null : EnchantmentTag.ALL_ENCHANTMENT_TAGS.get(MinecraftKey.key(exclusiveSet.substring(1)));
+        BedrockEnchantment bedrockEnchantment = BedrockEnchantment.getByJavaIdentifier(entry.getId().asString());
         String description = bedrockEnchantment == null ? MessageTranslator.deserializeDescription(data) : null;
 
-        return new Enchantment(entry.getId(), effects, ItemTag.ALL_ITEM_TAGS.get(supportedItems), maxLevel,
+        return new Enchantment(entry.getId().asString(), effects, ItemTag.ALL_ITEM_TAGS.get(MinecraftKey.key(supportedItems)), maxLevel,
                 description, anvilCost, exclusiveSetTag, bedrockEnchantment);
     }
 
diff --git a/core/src/main/java/org/geysermc/geyser/item/type/BannerItem.java b/core/src/main/java/org/geysermc/geyser/item/type/BannerItem.java
index 4af2b4630..6ec0da8ed 100644
--- a/core/src/main/java/org/geysermc/geyser/item/type/BannerItem.java
+++ b/core/src/main/java/org/geysermc/geyser/item/type/BannerItem.java
@@ -26,6 +26,7 @@
 package org.geysermc.geyser.item.type;
 
 import it.unimi.dsi.fastutil.Pair;
+import net.kyori.adventure.key.Key;
 import net.kyori.adventure.text.Component;
 import net.kyori.adventure.text.format.Style;
 import net.kyori.adventure.text.format.TextColor;
@@ -40,8 +41,8 @@ import org.geysermc.geyser.registry.type.ItemMapping;
 import org.geysermc.geyser.session.GeyserSession;
 import org.geysermc.geyser.session.cache.registry.JavaRegistry;
 import org.geysermc.geyser.translator.item.BedrockItemBuilder;
+import org.geysermc.geyser.util.MinecraftKey;
 import org.geysermc.mcprotocollib.protocol.data.game.Holder;
-import org.geysermc.mcprotocollib.protocol.data.game.Identifier;
 import org.geysermc.mcprotocollib.protocol.data.game.item.component.BannerPatternLayer;
 import org.geysermc.mcprotocollib.protocol.data.game.item.component.DataComponentType;
 import org.geysermc.mcprotocollib.protocol.data.game.item.component.DataComponents;
@@ -106,7 +107,7 @@ public class BannerItem extends BlockItem {
             if (color != pair.right()) {
                 return false;
             }
-            String id = Identifier.formalize(patternLayer.getString("pattern")); // Ouch
+            Key id = MinecraftKey.key(patternLayer.getString("pattern")); // Ouch
             BannerPattern bannerPattern = BannerPattern.getByJavaIdentifier(id);
             if (bannerPattern != pair.left()) {
                 return false;
@@ -166,7 +167,7 @@ public class BannerItem extends BlockItem {
      */
     private static NbtMap getBedrockBannerPattern(NbtMap pattern) {
         // ViaVersion 1.20.4 -> 1.20.5 can send without the namespace
-        BannerPattern bannerPattern = BannerPattern.getByJavaIdentifier(Identifier.formalize(pattern.getString("pattern")));
+        BannerPattern bannerPattern = BannerPattern.getByJavaIdentifier(MinecraftKey.key(pattern.getString("pattern")));
         DyeColor dyeColor = DyeColor.getByJavaIdentifier(pattern.getString("color"));
         if (bannerPattern == null || dyeColor == null) {
             return null;
diff --git a/core/src/main/java/org/geysermc/geyser/item/type/Item.java b/core/src/main/java/org/geysermc/geyser/item/type/Item.java
index 1ebf85065..3014e8116 100644
--- a/core/src/main/java/org/geysermc/geyser/item/type/Item.java
+++ b/core/src/main/java/org/geysermc/geyser/item/type/Item.java
@@ -45,7 +45,7 @@ import org.geysermc.geyser.text.MinecraftLocale;
 import org.geysermc.geyser.translator.item.BedrockItemBuilder;
 import org.geysermc.geyser.translator.item.ItemTranslator;
 import org.geysermc.geyser.translator.text.MessageTranslator;
-import org.geysermc.mcprotocollib.protocol.data.game.Identifier;
+import org.geysermc.geyser.util.MinecraftKey;
 import org.geysermc.mcprotocollib.protocol.data.game.item.component.DataComponentType;
 import org.geysermc.mcprotocollib.protocol.data.game.item.component.DataComponents;
 import org.geysermc.mcprotocollib.protocol.data.game.item.component.DyedItemColor;
@@ -65,7 +65,7 @@ public class Item {
     private final int maxDamage;
 
     public Item(String javaIdentifier, Builder builder) {
-        this.javaIdentifier = Identifier.formalize(javaIdentifier).intern();
+        this.javaIdentifier = MinecraftKey.key(javaIdentifier).asString().intern();
         this.stackSize = builder.stackSize;
         this.maxDamage = builder.maxDamage;
         this.attackDamage = builder.attackDamage;
diff --git a/core/src/main/java/org/geysermc/geyser/level/PaintingType.java b/core/src/main/java/org/geysermc/geyser/level/PaintingType.java
index de35d97f1..f829b481c 100644
--- a/core/src/main/java/org/geysermc/geyser/level/PaintingType.java
+++ b/core/src/main/java/org/geysermc/geyser/level/PaintingType.java
@@ -28,6 +28,7 @@ package org.geysermc.geyser.level;
 import lombok.AccessLevel;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
+import net.kyori.adventure.key.Key;
 
 import java.util.Locale;
 
@@ -90,9 +91,12 @@ public enum PaintingType {
     private final int width;
     private final int height;
 
-    public static PaintingType getByName(String javaName) {
+    public static PaintingType getByName(Key key) {
+        if (!key.namespace().equals("minecraft")) {
+            return null;
+        }
         for (PaintingType paintingName : VALUES) {
-            if (("minecraft:" + paintingName.name().toLowerCase(Locale.ROOT)).equals(javaName)) return paintingName;
+            if (paintingName.name().toLowerCase(Locale.ROOT).equals(key.value())) return paintingName;
         }
         return null;
     }
diff --git a/core/src/main/java/org/geysermc/geyser/registry/mappings/versions/MappingsReader_v1.java b/core/src/main/java/org/geysermc/geyser/registry/mappings/versions/MappingsReader_v1.java
index d32d5bc09..b5e25a4ba 100644
--- a/core/src/main/java/org/geysermc/geyser/registry/mappings/versions/MappingsReader_v1.java
+++ b/core/src/main/java/org/geysermc/geyser/registry/mappings/versions/MappingsReader_v1.java
@@ -27,7 +27,6 @@ package org.geysermc.geyser.registry.mappings.versions;
 
 import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.node.ArrayNode;
-import org.geysermc.mcprotocollib.protocol.data.game.Identifier;
 import it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap;
 import it.unimi.dsi.fastutil.objects.ObjectOpenHashSet;
 import org.checkerframework.checker.nullness.qual.Nullable;
@@ -35,14 +34,9 @@ import org.geysermc.geyser.GeyserImpl;
 import org.geysermc.geyser.api.block.custom.CustomBlockData;
 import org.geysermc.geyser.api.block.custom.CustomBlockPermutation;
 import org.geysermc.geyser.api.block.custom.CustomBlockState;
-import org.geysermc.geyser.api.block.custom.component.BoxComponent;
-import org.geysermc.geyser.api.block.custom.component.CustomBlockComponents;
-import org.geysermc.geyser.api.block.custom.component.GeometryComponent;
-import org.geysermc.geyser.api.block.custom.component.MaterialInstance;
-import org.geysermc.geyser.api.block.custom.component.PlacementConditions;
+import org.geysermc.geyser.api.block.custom.component.*;
 import org.geysermc.geyser.api.block.custom.component.PlacementConditions.BlockFilterType;
 import org.geysermc.geyser.api.block.custom.component.PlacementConditions.Face;
-import org.geysermc.geyser.api.block.custom.component.TransformationComponent;
 import org.geysermc.geyser.api.item.custom.CustomItemData;
 import org.geysermc.geyser.api.item.custom.CustomItemOptions;
 import org.geysermc.geyser.api.util.CreativeCategory;
@@ -60,16 +54,10 @@ import org.geysermc.geyser.registry.mappings.util.CustomBlockStateMapping;
 import org.geysermc.geyser.translator.collision.BlockCollision;
 import org.geysermc.geyser.util.BlockUtils;
 import org.geysermc.geyser.util.MathUtils;
+import org.geysermc.geyser.util.MinecraftKey;
 
 import java.nio.file.Path;
-import java.util.ArrayList;
-import java.util.EnumSet;
-import java.util.Iterator;
-import java.util.LinkedHashMap;
-import java.util.LinkedHashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
+import java.util.*;
 import java.util.function.BiConsumer;
 import java.util.function.Function;
 import java.util.function.Predicate;
@@ -131,7 +119,7 @@ public class MappingsReader_v1 extends MappingsReader {
             blocksNode.fields().forEachRemaining(entry -> {
                 if (entry.getValue().isObject()) {
                     try {
-                        String identifier = Identifier.formalize(entry.getKey());
+                        String identifier = MinecraftKey.key(entry.getKey()).asString();
                         CustomBlockMapping customBlockMapping = this.readBlockMappingEntry(identifier, entry.getValue());
                         consumer.accept(identifier, customBlockMapping);
                     } catch (Exception e) {
diff --git a/core/src/main/java/org/geysermc/geyser/session/GeyserSession.java b/core/src/main/java/org/geysermc/geyser/session/GeyserSession.java
index 836c77379..e228fc02f 100644
--- a/core/src/main/java/org/geysermc/geyser/session/GeyserSession.java
+++ b/core/src/main/java/org/geysermc/geyser/session/GeyserSession.java
@@ -40,6 +40,7 @@ import lombok.AccessLevel;
 import lombok.Getter;
 import lombok.Setter;
 import lombok.experimental.Accessors;
+import net.kyori.adventure.key.Key;
 import org.checkerframework.checker.index.qual.NonNegative;
 import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
 import org.checkerframework.checker.nullness.qual.NonNull;
@@ -290,7 +291,7 @@ public class GeyserSession implements GeyserConnection, GeyserCommandSource {
      * Keeps track of the world name for respawning.
      */
     @Setter
-    private String worldName = null;
+    private Key worldName = null;
     /**
      * As of Java 1.19.3, the client only uses these for commands.
      */
diff --git a/core/src/main/java/org/geysermc/geyser/session/cache/LodestoneCache.java b/core/src/main/java/org/geysermc/geyser/session/cache/LodestoneCache.java
index f66daf027..ee8ebb13f 100644
--- a/core/src/main/java/org/geysermc/geyser/session/cache/LodestoneCache.java
+++ b/core/src/main/java/org/geysermc/geyser/session/cache/LodestoneCache.java
@@ -27,6 +27,7 @@ package org.geysermc.geyser.session.cache;
 
 import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
 import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
+import net.kyori.adventure.key.Key;
 import org.checkerframework.checker.nullness.qual.Nullable;
 import org.geysermc.geyser.inventory.GeyserItemStack;
 import org.geysermc.mcprotocollib.protocol.data.game.entity.metadata.GlobalPos;
@@ -64,7 +65,7 @@ public final class LodestoneCache {
         int x = position.getX();
         int y = position.getY();
         int z = position.getZ();
-        String dim = position.getDimension();
+        Key dim = position.getDimension();
 
         for (LodestonePos pos : this.activeLodestones.values()) {
             if (pos.equals(x, y, z, dim)) {
@@ -98,7 +99,7 @@ public final class LodestoneCache {
         int x = position.getX();
         int y = position.getY();
         int z = position.getZ();
-        String dim = position.getDimension();
+        Key dim = position.getDimension();
 
         for (LodestonePos pos : this.activeLodestones.values()) {
             if (pos.equals(x, y, z, dim)) {
@@ -138,8 +139,8 @@ public final class LodestoneCache {
         this.lodestones.clear();
     }
 
-    public record LodestonePos(int id, int x, int y, int z, String dimension) {
-        boolean equals(int x, int y, int z, String dimension) {
+    public record LodestonePos(int id, int x, int y, int z, Key dimension) {
+        boolean equals(int x, int y, int z, Key dimension) {
             return this.x == x && this.y == y && this.z == z && this.dimension.equals(dimension);
         }
     }
diff --git a/core/src/main/java/org/geysermc/geyser/session/cache/RegistryCache.java b/core/src/main/java/org/geysermc/geyser/session/cache/RegistryCache.java
index 266a0a418..02c43939d 100644
--- a/core/src/main/java/org/geysermc/geyser/session/cache/RegistryCache.java
+++ b/core/src/main/java/org/geysermc/geyser/session/cache/RegistryCache.java
@@ -30,6 +30,7 @@ import it.unimi.dsi.fastutil.ints.Int2IntOpenHashMap;
 import lombok.AccessLevel;
 import lombok.Getter;
 import lombok.experimental.Accessors;
+import net.kyori.adventure.key.Key;
 import org.cloudburstmc.nbt.NbtMap;
 import org.cloudburstmc.nbt.NbtType;
 import org.cloudburstmc.protocol.bedrock.data.TrimMaterial;
@@ -47,6 +48,7 @@ import org.geysermc.geyser.session.cache.registry.JavaRegistry;
 import org.geysermc.geyser.session.cache.registry.SimpleJavaRegistry;
 import org.geysermc.geyser.text.TextDecoration;
 import org.geysermc.geyser.translator.level.BiomeTranslator;
+import org.geysermc.geyser.util.MinecraftKey;
 import org.geysermc.mcprotocollib.protocol.MinecraftProtocol;
 import org.geysermc.mcprotocollib.protocol.data.game.RegistryEntry;
 import org.geysermc.mcprotocollib.protocol.data.game.chat.ChatType;
@@ -70,8 +72,8 @@ import java.util.function.ToIntFunction;
 @Accessors(fluent = true)
 @Getter
 public final class RegistryCache {
-    private static final Map<String, Map<String, NbtMap>> DEFAULTS;
-    private static final Map<String, BiConsumer<RegistryCache, List<RegistryEntry>>> REGISTRIES = new HashMap<>();
+    private static final Map<Key, Map<String, NbtMap>> DEFAULTS;
+    private static final Map<Key, BiConsumer<RegistryCache, List<RegistryEntry>>> REGISTRIES = new HashMap<>();
 
     static {
         register("chat_type", cache -> cache.chatTypes, ($, entry) -> TextDecoration.readChatType(entry));
@@ -83,14 +85,14 @@ public final class RegistryCache {
         register("trim_pattern", cache -> cache.trimPatterns, TrimRecipe::readTrimPattern);
         register("worldgen/biome", (cache, array) -> cache.biomeTranslations = array, BiomeTranslator::loadServerBiome);
         register("banner_pattern", cache -> cache.bannerPatterns, ($, entry) -> BannerPattern.getByJavaIdentifier(entry.getId()));
-        register("wolf_variant", cache -> cache.wolfVariants, ($, entry) -> WolfEntity.BuiltInWolfVariant.getByJavaIdentifier(entry.getId()));
+        register("wolf_variant", cache -> cache.wolfVariants, ($, entry) -> WolfEntity.BuiltInWolfVariant.getByJavaIdentifier(entry.getId().asString()));
 
         // Load from MCProtocolLib's classloader
         NbtMap tag = MinecraftProtocol.loadNetworkCodec();
-        Map<String, Map<String, NbtMap>> defaults = new HashMap<>();
+        Map<Key, Map<String, NbtMap>> defaults = new HashMap<>();
         // Don't create a keySet - no need to create the cached object in HashMap if we don't use it again
         REGISTRIES.forEach((key, $) -> {
-            List<NbtMap> rawValues = tag.getCompound(key)
+            List<NbtMap> rawValues = tag.getCompound(key.asString())
                     .getList("value", NbtType.COMPOUND);
             Map<String, NbtMap> values = new HashMap<>();
             for (NbtMap value : rawValues) {
@@ -148,7 +150,7 @@ public final class RegistryCache {
      * @param <T> the class that represents these entries.
      */
     private static <T> void register(String registry, Function<RegistryCache, JavaRegistry<T>> localCacheFunction, BiFunction<GeyserSession, RegistryEntry, T> reader) {
-        String key = "minecraft:" + registry;
+        Key key = MinecraftKey.key(registry);
         REGISTRIES.put(key, (registryCache, entries) -> {
             Map<String, NbtMap> localRegistry = null;
             JavaRegistry<T> localCache = localCacheFunction.apply(registryCache);
@@ -176,7 +178,7 @@ public final class RegistryCache {
      * @param localCacheFunction the int array to set the final values to.
      */
     private static void register(String registry, BiConsumer<RegistryCache, int[]> localCacheFunction, ToIntFunction<RegistryEntry> reader) {
-        REGISTRIES.put("minecraft:" + registry, (registryCache, entries) -> {
+        REGISTRIES.put(MinecraftKey.key(registry), (registryCache, entries) -> {
             Int2IntMap temp = new Int2IntOpenHashMap();
             int greatestId = 0;
             for (int i = 0; i < entries.size(); i++) {
diff --git a/core/src/main/java/org/geysermc/geyser/session/cache/TagCache.java b/core/src/main/java/org/geysermc/geyser/session/cache/TagCache.java
index 656a16cf4..c8bfc7eed 100644
--- a/core/src/main/java/org/geysermc/geyser/session/cache/TagCache.java
+++ b/core/src/main/java/org/geysermc/geyser/session/cache/TagCache.java
@@ -26,6 +26,7 @@
 package org.geysermc.geyser.session.cache;
 
 import it.unimi.dsi.fastutil.ints.IntArrays;
+import net.kyori.adventure.key.Key;
 import org.checkerframework.checker.nullness.qual.Nullable;
 import org.geysermc.geyser.GeyserImpl;
 import org.geysermc.geyser.GeyserLogger;
@@ -36,6 +37,7 @@ import org.geysermc.geyser.session.GeyserSession;
 import org.geysermc.geyser.session.cache.tags.BlockTag;
 import org.geysermc.geyser.session.cache.tags.EnchantmentTag;
 import org.geysermc.geyser.session.cache.tags.ItemTag;
+import org.geysermc.geyser.util.MinecraftKey;
 import org.geysermc.geyser.util.Ordered;
 import org.geysermc.mcprotocollib.protocol.packet.common.clientbound.ClientboundUpdateTagsPacket;
 
@@ -58,33 +60,33 @@ public final class TagCache {
     private final int[][] enchantments = new int[ALL_ENCHANTMENT_TAGS.size()][];
 
     public void loadPacket(GeyserSession session, ClientboundUpdateTagsPacket packet) {
-        Map<String, int[]> blockTags = packet.getTags().get("minecraft:block");
+        Map<Key, int[]> blockTags = packet.getTags().get(MinecraftKey.key("block"));
         loadTags("Block", blockTags, ALL_BLOCK_TAGS, this.blocks);
 
         // Hack btw
         GeyserLogger logger = session.getGeyser().getLogger();
-        int[] convertableToMud = blockTags.get("minecraft:convertable_to_mud");
+        int[] convertableToMud = blockTags.get(MinecraftKey.key("convertable_to_mud"));
         boolean emulatePost1_18Logic = convertableToMud != null && convertableToMud.length != 0;
         session.setEmulatePost1_18Logic(emulatePost1_18Logic);
         if (logger.isDebug()) {
             logger.debug("Emulating post 1.18 block predication logic for " + session.bedrockUsername() + "? " + emulatePost1_18Logic);
         }
 
-        Map<String, int[]> itemTags = packet.getTags().get("minecraft:item");
+        Map<Key, int[]> itemTags = packet.getTags().get(MinecraftKey.key("item"));
         loadTags("Item", itemTags, ALL_ITEM_TAGS, this.items);
 
         // Hack btw
-        boolean emulatePost1_13Logic = itemTags.get("minecraft:signs").length > 1;
+        boolean emulatePost1_13Logic = itemTags.get(MinecraftKey.key("signs")).length > 1;
         session.setEmulatePost1_13Logic(emulatePost1_13Logic);
         if (logger.isDebug()) {
             logger.debug("Emulating post 1.13 villager logic for " + session.bedrockUsername() + "? " + emulatePost1_13Logic);
         }
 
-        Map<String, int[]> enchantmentTags = packet.getTags().get("minecraft:enchantment");
+        Map<Key, int[]> enchantmentTags = packet.getTags().get(MinecraftKey.key("enchantment"));
         loadTags("Enchantment", enchantmentTags, ALL_ENCHANTMENT_TAGS, this.enchantments);
     }
 
-    private <T extends Ordered> void loadTags(String type, @Nullable Map<String, int[]> packetTags, Map<String, T> allTags, int[][] localValues) {
+    private <T extends Ordered> void loadTags(String type, @Nullable Map<Key, int[]> packetTags, Map<Key, T> allTags, int[][] localValues) {
         if (packetTags == null) {
             Arrays.fill(localValues, IntArrays.EMPTY_ARRAY);
             GeyserImpl.getInstance().getLogger().debug("Not loading " + type + " tags; they do not exist here.");
diff --git a/core/src/main/java/org/geysermc/geyser/session/cache/tags/BlockTag.java b/core/src/main/java/org/geysermc/geyser/session/cache/tags/BlockTag.java
index 5a85efc84..1dca7843a 100644
--- a/core/src/main/java/org/geysermc/geyser/session/cache/tags/BlockTag.java
+++ b/core/src/main/java/org/geysermc/geyser/session/cache/tags/BlockTag.java
@@ -25,6 +25,7 @@
 
 package org.geysermc.geyser.session.cache.tags;
 
+import net.kyori.adventure.key.Key;
 import org.geysermc.geyser.util.Ordered;
 
 import java.util.HashMap;
@@ -32,7 +33,7 @@ import java.util.Map;
 
 @SuppressWarnings("unused")
 public final class BlockTag implements Ordered {
-    public static final Map<String, BlockTag> ALL_BLOCK_TAGS = new HashMap<>();
+    public static final Map<Key, BlockTag> ALL_BLOCK_TAGS = new HashMap<>();
 
     public static final BlockTag WOOL = new BlockTag("wool");
     public static final BlockTag PLANKS = new BlockTag("planks");
@@ -232,6 +233,6 @@ public final class BlockTag implements Ordered {
     }
 
     private static void register(String name, BlockTag tag) {
-        ALL_BLOCK_TAGS.put(("minecraft:" + name).intern(), tag);
+        ALL_BLOCK_TAGS.put(Key.key(name), tag);
     }
 }
diff --git a/core/src/main/java/org/geysermc/geyser/session/cache/tags/EnchantmentTag.java b/core/src/main/java/org/geysermc/geyser/session/cache/tags/EnchantmentTag.java
index 3c5446adc..0af690abd 100644
--- a/core/src/main/java/org/geysermc/geyser/session/cache/tags/EnchantmentTag.java
+++ b/core/src/main/java/org/geysermc/geyser/session/cache/tags/EnchantmentTag.java
@@ -25,6 +25,8 @@
 
 package org.geysermc.geyser.session.cache.tags;
 
+import net.kyori.adventure.key.Key;
+import org.geysermc.geyser.util.MinecraftKey;
 import org.geysermc.geyser.util.Ordered;
 
 import java.util.HashMap;
@@ -32,7 +34,7 @@ import java.util.Map;
 
 @SuppressWarnings("unused")
 public final class EnchantmentTag implements Ordered {
-    public static final Map<String, EnchantmentTag> ALL_ENCHANTMENT_TAGS = new HashMap<>();
+    public static final Map<Key, EnchantmentTag> ALL_ENCHANTMENT_TAGS = new HashMap<>();
 
     public static final EnchantmentTag TOOLTIP_ORDER = new EnchantmentTag("tooltip_order");
     public static final EnchantmentTag EXCLUSIVE_SET_ARMOR = new EnchantmentTag("exclusive_set/armor");
@@ -84,6 +86,6 @@ public final class EnchantmentTag implements Ordered {
     }
 
     private static void register(String name, EnchantmentTag tag) {
-        ALL_ENCHANTMENT_TAGS.put(("minecraft:" + name).intern(), tag);
+        ALL_ENCHANTMENT_TAGS.put(MinecraftKey.key(name), tag);
     }
 }
diff --git a/core/src/main/java/org/geysermc/geyser/session/cache/tags/ItemTag.java b/core/src/main/java/org/geysermc/geyser/session/cache/tags/ItemTag.java
index e1fbf4634..a2e861dd6 100644
--- a/core/src/main/java/org/geysermc/geyser/session/cache/tags/ItemTag.java
+++ b/core/src/main/java/org/geysermc/geyser/session/cache/tags/ItemTag.java
@@ -25,6 +25,8 @@
 
 package org.geysermc.geyser.session.cache.tags;
 
+import net.kyori.adventure.key.Key;
+import org.geysermc.geyser.util.MinecraftKey;
 import org.geysermc.geyser.util.Ordered;
 
 import java.util.HashMap;
@@ -32,7 +34,7 @@ import java.util.Map;
 
 @SuppressWarnings("unused")
 public final class ItemTag implements Ordered {
-    public static final Map<String, ItemTag> ALL_ITEM_TAGS = new HashMap<>();
+    public static final Map<Key, ItemTag> ALL_ITEM_TAGS = new HashMap<>();
 
     public static final ItemTag WOOL = new ItemTag("wool");
     public static final ItemTag PLANKS = new ItemTag("planks");
@@ -195,6 +197,6 @@ public final class ItemTag implements Ordered {
     }
 
     private static void register(String name, ItemTag tag) {
-        ALL_ITEM_TAGS.put(("minecraft:" + name).intern(), tag);
+        ALL_ITEM_TAGS.put(MinecraftKey.key(name), tag);
     }
 }
diff --git a/core/src/main/java/org/geysermc/geyser/translator/level/BiomeTranslator.java b/core/src/main/java/org/geysermc/geyser/translator/level/BiomeTranslator.java
index d70f53e2c..166089b6b 100644
--- a/core/src/main/java/org/geysermc/geyser/translator/level/BiomeTranslator.java
+++ b/core/src/main/java/org/geysermc/geyser/translator/level/BiomeTranslator.java
@@ -45,7 +45,7 @@ import org.geysermc.geyser.session.GeyserSession;
 public class BiomeTranslator {
 
     public static int loadServerBiome(RegistryEntry entry) {
-        String javaIdentifier = entry.getId();
+        String javaIdentifier = entry.getId().asString();
         return Registries.BIOME_IDENTIFIERS.get().getOrDefault(javaIdentifier, 0);
     }
 
diff --git a/core/src/main/java/org/geysermc/geyser/translator/protocol/bedrock/BedrockBlockEntityDataTranslator.java b/core/src/main/java/org/geysermc/geyser/translator/protocol/bedrock/BedrockBlockEntityDataTranslator.java
index b5e923ee6..a7e4bc656 100644
--- a/core/src/main/java/org/geysermc/geyser/translator/protocol/bedrock/BedrockBlockEntityDataTranslator.java
+++ b/core/src/main/java/org/geysermc/geyser/translator/protocol/bedrock/BedrockBlockEntityDataTranslator.java
@@ -25,6 +25,7 @@
 
 package org.geysermc.geyser.translator.protocol.bedrock;
 
+import org.geysermc.geyser.util.MinecraftKey;
 import org.geysermc.mcprotocollib.protocol.packet.ingame.serverbound.inventory.ServerboundSetJigsawBlockPacket;
 import org.geysermc.mcprotocollib.protocol.packet.ingame.serverbound.level.ServerboundSignUpdatePacket;
 import org.cloudburstmc.math.vector.Vector3i;
@@ -119,7 +120,8 @@ public class BedrockBlockEntityDataTranslator extends PacketTranslator<BlockEnti
             String finalState = tag.getString("final_state");
             String joint = tag.getString("joint");
             // last two parameters are priority values that Bedrock doesn't have (yet?)
-            ServerboundSetJigsawBlockPacket jigsawPacket = new ServerboundSetJigsawBlockPacket(pos, name, target, pool,
+            ServerboundSetJigsawBlockPacket jigsawPacket = new ServerboundSetJigsawBlockPacket(pos,
+                    MinecraftKey.key(name), MinecraftKey.key(target), MinecraftKey.key(pool),
                     finalState, joint, 0, 0);
             session.sendDownstreamGamePacket(jigsawPacket);
         }
diff --git a/core/src/main/java/org/geysermc/geyser/translator/protocol/bedrock/BedrockPositionTrackingDBClientRequestTranslator.java b/core/src/main/java/org/geysermc/geyser/translator/protocol/bedrock/BedrockPositionTrackingDBClientRequestTranslator.java
index d1246a0b4..da4a5059b 100644
--- a/core/src/main/java/org/geysermc/geyser/translator/protocol/bedrock/BedrockPositionTrackingDBClientRequestTranslator.java
+++ b/core/src/main/java/org/geysermc/geyser/translator/protocol/bedrock/BedrockPositionTrackingDBClientRequestTranslator.java
@@ -58,7 +58,7 @@ public class BedrockPositionTrackingDBClientRequestTranslator extends PacketTran
 
         // Build the NBT data for the update
         NbtMapBuilder builder = NbtMap.builder();
-        builder.putInt("dim", DimensionUtils.javaToBedrock(pos.dimension()));
+        builder.putInt("dim", DimensionUtils.javaToBedrock(pos.dimension().asString()));
         builder.putString("id", "0x" + String.format("%08X", packet.getTrackingId()));
 
         builder.putByte("version", (byte) 1); // Not sure what this is for
diff --git a/core/src/main/java/org/geysermc/geyser/translator/protocol/java/JavaClientboundRecipesTranslator.java b/core/src/main/java/org/geysermc/geyser/translator/protocol/java/JavaClientboundRecipesTranslator.java
index 9eb69183d..06abbbac0 100644
--- a/core/src/main/java/org/geysermc/geyser/translator/protocol/java/JavaClientboundRecipesTranslator.java
+++ b/core/src/main/java/org/geysermc/geyser/translator/protocol/java/JavaClientboundRecipesTranslator.java
@@ -39,6 +39,7 @@ public class JavaClientboundRecipesTranslator extends PacketTranslator<Clientbou
 
     @Override
     public void translate(GeyserSession session, ClientboundRecipePacket packet) {
+        System.out.println(packet);
         UnlockedRecipesPacket recipesPacket = new UnlockedRecipesPacket();
         switch (packet.getAction()) {
             case INIT -> {
diff --git a/core/src/main/java/org/geysermc/geyser/translator/protocol/java/JavaCommandsTranslator.java b/core/src/main/java/org/geysermc/geyser/translator/protocol/java/JavaCommandsTranslator.java
index 1ecc5bf82..ecfb2d220 100644
--- a/core/src/main/java/org/geysermc/geyser/translator/protocol/java/JavaCommandsTranslator.java
+++ b/core/src/main/java/org/geysermc/geyser/translator/protocol/java/JavaCommandsTranslator.java
@@ -34,6 +34,7 @@ import it.unimi.dsi.fastutil.ints.IntSet;
 import it.unimi.dsi.fastutil.objects.Object2ObjectOpenCustomHashMap;
 import lombok.Getter;
 import lombok.ToString;
+import net.kyori.adventure.key.Key;
 import net.kyori.adventure.text.format.NamedTextColor;
 import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
 import org.cloudburstmc.protocol.bedrock.data.command.*;
@@ -66,7 +67,7 @@ public class JavaCommandsTranslator extends PacketTranslator<ClientboundCommands
      */
     private static final Supplier<String[]> ALL_BLOCK_NAMES = Suppliers.memoize(() -> BlockRegistries.JAVA_BLOCKS.get().stream().map(block -> block.javaIdentifier().toString()).toArray(String[]::new));
     private static final String[] ALL_EFFECT_IDENTIFIERS = EntityUtils.getAllEffectIdentifiers();
-    private static final String[] ATTRIBUTES = AttributeType.Builtin.BUILTIN.values().stream().map(AttributeType::getIdentifier).toList().toArray(new String[0]);
+    private static final String[] ATTRIBUTES = AttributeType.Builtin.BUILTIN.values().stream().map(type -> type.getIdentifier().asString()).toList().toArray(new String[0]);
     private static final String[] ENUM_BOOLEAN = {"true", "false"};
     private static final String[] VALID_COLORS;
     private static final String[] VALID_SCOREBOARD_SLOTS;
@@ -264,8 +265,8 @@ public class JavaCommandsTranslator extends PacketTranslator<ClientboundCommands
         };
     }
 
-    private static Object handleResource(CommandBuilderContext context, String resource, boolean tags) {
-        return switch (resource) {
+    private static Object handleResource(CommandBuilderContext context, Key resource, boolean tags) {
+        return switch (resource.asString()) {
             case "minecraft:attribute" -> ATTRIBUTES;
             case "minecraft:enchantment" -> context.getEnchantments();
             case "minecraft:entity_type" -> context.getEntityTypes();
@@ -476,12 +477,8 @@ public class JavaCommandsTranslator extends PacketTranslator<ClientboundCommands
          */
         private static String getEnumDataName(CommandNode node) {
             if (node.getProperties() instanceof ResourceProperties properties) {
-                String registryKey = properties.getRegistryKey();
-                int identifierSplit = registryKey.indexOf(':');
-                if (identifierSplit != -1) {
-                    return registryKey.substring(identifierSplit);
-                }
-                return registryKey;
+                Key registryKey = properties.getRegistryKey();
+                return registryKey.value();
             }
             return node.getParser().name();
         }
diff --git a/core/src/main/java/org/geysermc/geyser/translator/protocol/java/JavaCustomPayloadTranslator.java b/core/src/main/java/org/geysermc/geyser/translator/protocol/java/JavaCustomPayloadTranslator.java
index f8a21f904..811449a99 100644
--- a/core/src/main/java/org/geysermc/geyser/translator/protocol/java/JavaCustomPayloadTranslator.java
+++ b/core/src/main/java/org/geysermc/geyser/translator/protocol/java/JavaCustomPayloadTranslator.java
@@ -54,7 +54,7 @@ public class JavaCustomPayloadTranslator extends PacketTranslator<ClientboundCus
 
     @Override
     public void translate(GeyserSession session, ClientboundCustomPayloadPacket packet) {
-        String channel = packet.getChannel();
+        String channel = packet.getChannel().asString();
 
         if (channel.equals(Constants.PLUGIN_MESSAGE)) {
             ByteBuf buf = Unpooled.wrappedBuffer(packet.getData());
@@ -92,7 +92,7 @@ public class JavaCustomPayloadTranslator extends PacketTranslator<ClientboundCus
                         System.arraycopy(raw, 0, finalData, 2, raw.length);
                     }
 
-                    session.sendDownstreamPacket(new ServerboundCustomPayloadPacket(channel, finalData));
+                    session.sendDownstreamPacket(new ServerboundCustomPayloadPacket(packet.getChannel(), finalData));
                 });
                 session.sendForm(form);
             });
diff --git a/core/src/main/java/org/geysermc/geyser/translator/protocol/java/JavaGameProfileTranslator.java b/core/src/main/java/org/geysermc/geyser/translator/protocol/java/JavaGameProfileTranslator.java
index 96bab0bfa..e7bde6a9d 100644
--- a/core/src/main/java/org/geysermc/geyser/translator/protocol/java/JavaGameProfileTranslator.java
+++ b/core/src/main/java/org/geysermc/geyser/translator/protocol/java/JavaGameProfileTranslator.java
@@ -26,6 +26,7 @@
 package org.geysermc.geyser.translator.protocol.java;
 
 import com.github.steveice10.mc.auth.data.GameProfile;
+import net.kyori.adventure.key.Key;
 import org.geysermc.geyser.api.network.AuthType;
 import org.geysermc.geyser.entity.type.player.PlayerEntity;
 import org.geysermc.geyser.session.GeyserSession;
@@ -72,7 +73,7 @@ public class JavaGameProfileTranslator extends PacketTranslator<ClientboundGameP
         session.getClientData().setOriginalString(null);
 
         // configuration phase stuff that the vanilla client replies with after receiving the GameProfilePacket
-        session.sendDownstreamPacket(new ServerboundCustomPayloadPacket("minecraft:brand", PluginMessageUtils.getGeyserBrandData()));
+        session.sendDownstreamPacket(new ServerboundCustomPayloadPacket(Key.key("brand"), PluginMessageUtils.getGeyserBrandData()));
         session.sendJavaClientSettings();
     }
 }
diff --git a/core/src/main/java/org/geysermc/geyser/translator/protocol/java/JavaLoginTranslator.java b/core/src/main/java/org/geysermc/geyser/translator/protocol/java/JavaLoginTranslator.java
index 33d5a88b9..6988d6cc8 100644
--- a/core/src/main/java/org/geysermc/geyser/translator/protocol/java/JavaLoginTranslator.java
+++ b/core/src/main/java/org/geysermc/geyser/translator/protocol/java/JavaLoginTranslator.java
@@ -25,7 +25,9 @@
 
 package org.geysermc.geyser.translator.protocol.java;
 
+import net.kyori.adventure.key.Key;
 import org.geysermc.erosion.Constants;
+import org.geysermc.geyser.util.MinecraftKey;
 import org.geysermc.mcprotocollib.protocol.data.game.entity.player.PlayerSpawnInfo;
 import org.geysermc.mcprotocollib.protocol.packet.common.serverbound.ServerboundCustomPayloadPacket;
 import org.geysermc.mcprotocollib.protocol.packet.ingame.clientbound.ClientboundLoginPacket;
@@ -47,6 +49,7 @@ import org.geysermc.geyser.util.DimensionUtils;
 import org.geysermc.geyser.util.EntityUtils;
 
 import java.nio.charset.StandardCharsets;
+import java.util.Arrays;
 
 @Translator(packet = ClientboundLoginPacket.class)
 public class JavaLoginTranslator extends PacketTranslator<ClientboundLoginPacket> {
@@ -98,7 +101,7 @@ public class JavaLoginTranslator extends PacketTranslator<ClientboundLoginPacket
         }
 
         session.setWorldName(spawnInfo.getWorldName());
-        session.setLevels(packet.getWorldNames());
+        session.setLevels(Arrays.stream(packet.getWorldNames()).map(Key::asString).toArray(String[]::new));
         session.setGameMode(spawnInfo.getGameMode());
         int newDimension = spawnInfo.getDimension();
 
@@ -134,10 +137,11 @@ public class JavaLoginTranslator extends PacketTranslator<ClientboundLoginPacket
         // as the bedrock client isn't required to send a render distance
         session.sendJavaClientSettings();
 
+        Key register = MinecraftKey.key("register");
         if (session.remoteServer().authType() == AuthType.FLOODGATE) {
-            session.sendDownstreamPacket(new ServerboundCustomPayloadPacket("minecraft:register", PluginMessageChannels.getFloodgateRegisterData()));
+            session.sendDownstreamPacket(new ServerboundCustomPayloadPacket(register, PluginMessageChannels.getFloodgateRegisterData()));
         }
-        session.sendDownstreamPacket(new ServerboundCustomPayloadPacket("minecraft:register", Constants.PLUGIN_MESSAGE.getBytes(StandardCharsets.UTF_8)));
+        session.sendDownstreamPacket(new ServerboundCustomPayloadPacket(register, Constants.PLUGIN_MESSAGE.getBytes(StandardCharsets.UTF_8)));
 
         if (newDimension != session.getDimension()) {
             DimensionUtils.switchDimension(session, newDimension);
diff --git a/core/src/main/java/org/geysermc/geyser/translator/protocol/java/JavaUpdateRecipesTranslator.java b/core/src/main/java/org/geysermc/geyser/translator/protocol/java/JavaUpdateRecipesTranslator.java
index 4d207153b..f9b840dd9 100644
--- a/core/src/main/java/org/geysermc/geyser/translator/protocol/java/JavaUpdateRecipesTranslator.java
+++ b/core/src/main/java/org/geysermc/geyser/translator/protocol/java/JavaUpdateRecipesTranslator.java
@@ -119,14 +119,14 @@ public class JavaUpdateRecipesTranslator extends PacketTranslator<ClientboundUpd
                     ShapelessRecipeData shapelessRecipeData = (ShapelessRecipeData) recipe.getData();
                     List<String> bedrockRecipeIDs = context.translateShapelessRecipe(new GeyserShapelessRecipe(shapelessRecipeData));
                     if (bedrockRecipeIDs != null) {
-                        context.addRecipeIdentifier(session, recipe.getIdentifier(), bedrockRecipeIDs);
+                        context.addRecipeIdentifier(session, recipe.getIdentifier().asString(), bedrockRecipeIDs);
                     }
                 }
                 case CRAFTING_SHAPED -> {
                     ShapedRecipeData shapedRecipeData = (ShapedRecipeData) recipe.getData();
                     List<String> bedrockRecipeIDs = context.translateShapedRecipe(new GeyserShapedRecipe(shapedRecipeData));
                     if (bedrockRecipeIDs != null) {
-                        context.addRecipeIdentifier(session, recipe.getIdentifier(), bedrockRecipeIDs);
+                        context.addRecipeIdentifier(session, recipe.getIdentifier().asString(), bedrockRecipeIDs);
                     }
                 }
                 case STONECUTTING -> {
@@ -160,7 +160,7 @@ public class JavaUpdateRecipesTranslator extends PacketTranslator<ClientboundUpd
                             for (ItemStack addition : data.getAddition().getOptions()) {
                                 ItemDescriptorWithCount bedrockAddition = ItemDescriptorWithCount.fromItem(ItemTranslator.translateToBedrock(session, addition));
 
-                                String id = recipe.getIdentifier();
+                                String id = recipe.getIdentifier().asString();
                                 // Note: vanilla inputs use aux value of Short.MAX_VALUE
                                 craftingDataPacket.getCraftingData().add(org.cloudburstmc.protocol.bedrock.data.inventory.crafting.recipe.SmithingTransformRecipeData.of(id,
                                         bedrockTemplate, bedrockBase, bedrockAddition, output, "smithing_table", context.getAndIncrementNetId()));
@@ -501,7 +501,7 @@ public class JavaUpdateRecipesTranslator extends PacketTranslator<ClientboundUpd
                 case CRAFTING_SPECIAL_TIPPEDARROW ->
                     // similar as above
                         "minecraft:arrow";
-                default -> recipe.getIdentifier();
+                default -> recipe.getIdentifier().asString();
             };
 
             addRecipeIdentifier(session, javaRecipeID, identifiers);
diff --git a/core/src/main/java/org/geysermc/geyser/translator/protocol/java/entity/player/JavaStoreCookieTranslator.java b/core/src/main/java/org/geysermc/geyser/translator/protocol/java/entity/player/JavaStoreCookieTranslator.java
index 342618ff8..7c8374500 100644
--- a/core/src/main/java/org/geysermc/geyser/translator/protocol/java/entity/player/JavaStoreCookieTranslator.java
+++ b/core/src/main/java/org/geysermc/geyser/translator/protocol/java/entity/player/JavaStoreCookieTranslator.java
@@ -35,6 +35,6 @@ public class JavaStoreCookieTranslator extends PacketTranslator<ClientboundStore
 
     @Override
     public void translate(GeyserSession session, ClientboundStoreCookiePacket packet) {
-        session.getCookies().put(packet.getKey(), packet.getPayload());
+        session.getCookies().put(packet.getKey().asString(), packet.getPayload());
     }
 }
diff --git a/core/src/main/java/org/geysermc/geyser/translator/protocol/java/level/JavaStopSoundTranslator.java b/core/src/main/java/org/geysermc/geyser/translator/protocol/java/level/JavaStopSoundTranslator.java
index 99e076ad2..ee370d679 100644
--- a/core/src/main/java/org/geysermc/geyser/translator/protocol/java/level/JavaStopSoundTranslator.java
+++ b/core/src/main/java/org/geysermc/geyser/translator/protocol/java/level/JavaStopSoundTranslator.java
@@ -47,7 +47,7 @@ public class JavaStopSoundTranslator extends PacketTranslator<ClientboundStopSou
         }
 
         StopSoundPacket stopSoundPacket = new StopSoundPacket();
-        stopSoundPacket.setSoundName(SoundUtils.translatePlaySound(packet.getSound()));
+        stopSoundPacket.setSoundName(SoundUtils.translatePlaySound(packet.getSound().asString()));
         stopSoundPacket.setStoppingAllSound(false);
 
         session.sendUpstreamPacket(stopSoundPacket);
diff --git a/core/src/main/java/org/geysermc/geyser/util/MinecraftKey.java b/core/src/main/java/org/geysermc/geyser/util/MinecraftKey.java
new file mode 100644
index 000000000..5f1c8e084
--- /dev/null
+++ b/core/src/main/java/org/geysermc/geyser/util/MinecraftKey.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2024 GeyserMC. http://geysermc.org
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @author GeyserMC
+ * @link https://github.com/GeyserMC/Geyser
+ */
+
+package org.geysermc.geyser.util;
+
+import net.kyori.adventure.key.Key;
+import org.intellij.lang.annotations.Subst;
+
+public final class MinecraftKey {
+
+    /**
+     * To prevent constant warnings from invalid regex.
+     */
+    public static Key key(@Subst("empty") String s) {
+        return Key.key(s);
+    }
+}
diff --git a/core/src/main/java/org/geysermc/geyser/util/PluginMessageUtils.java b/core/src/main/java/org/geysermc/geyser/util/PluginMessageUtils.java
index 09543baca..1e39c4ade 100644
--- a/core/src/main/java/org/geysermc/geyser/util/PluginMessageUtils.java
+++ b/core/src/main/java/org/geysermc/geyser/util/PluginMessageUtils.java
@@ -26,6 +26,7 @@
 package org.geysermc.geyser.util;
 
 import com.google.common.base.Charsets;
+import net.kyori.adventure.key.Key;
 import org.geysermc.geyser.GeyserImpl;
 import org.geysermc.geyser.session.GeyserSession;
 import org.geysermc.mcprotocollib.protocol.packet.common.serverbound.ServerboundCustomPayloadPacket;
@@ -54,7 +55,7 @@ public class PluginMessageUtils {
     }
 
     public static void sendMessage(GeyserSession session, String channel, byte[] data) {
-        session.sendDownstreamPacket(new ServerboundCustomPayloadPacket(channel, data));
+        session.sendDownstreamPacket(new ServerboundCustomPayloadPacket(Key.key(channel), data));
     }
 
     private static byte[] writeVarInt(int value) {
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 11851a5cd..10a94c3db 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -13,7 +13,7 @@ websocket = "1.5.1"
 protocol = "3.0.0.Beta2-20240606.172607-7"
 raknet = "1.0.0.CR3-20240416.144209-1"
 mcauthlib = "e5b0bcc"
-mcprotocollib = "784e91c"
+mcprotocollib = "f9cc9ee6"
 adventure = "4.14.0"
 adventure-platform = "4.3.0"
 junit = "5.9.2"