diff --git a/FightSystem_18/src/de/steamwar/fightsystem/utils/BlockIdWrapper18.java b/FightSystem_18/src/de/steamwar/fightsystem/utils/BlockIdWrapper18.java
index 59811e5..5b5cc19 100644
--- a/FightSystem_18/src/de/steamwar/fightsystem/utils/BlockIdWrapper18.java
+++ b/FightSystem_18/src/de/steamwar/fightsystem/utils/BlockIdWrapper18.java
@@ -30,8 +30,8 @@ import net.minecraft.world.level.material.Fluid;
 import net.minecraft.world.level.material.FluidTypes;
 import org.bukkit.World;
 import org.bukkit.block.Block;
-import org.bukkit.craftbukkit.v1_18_R1.CraftWorld;
-import org.bukkit.craftbukkit.v1_18_R1.block.CraftBlock;
+import org.bukkit.craftbukkit.v1_18_R2.CraftWorld;
+import org.bukkit.craftbukkit.v1_18_R2.block.CraftBlock;
 
 import java.util.HashSet;
 import java.util.Objects;
@@ -58,15 +58,15 @@ public class BlockIdWrapper18 implements BlockIdWrapper.IBlockIdWrapper {
     public Set<Integer> getHiddenBlockIds() {
         Set<Integer> hiddenBlockIds = new HashSet<>();
         for(String tag : Config.HiddenBlocks){
-            for(IBlockData data : IRegistry.X.a(new MinecraftKey(tag)).m().a()){
+            for(IBlockData data : IRegistry.U.a(new MinecraftKey(tag)).m().a()){
                 hiddenBlockIds.add(net.minecraft.world.level.block.Block.i(data));
             }
         }
 
         if(Config.HiddenBlocks.contains("water")){
             Fluid water = FluidTypes.c.h();
-            for(IBlockData data : net.minecraft.world.level.block.Block.p) {
-                if(data.n() == water) {
+            for(IBlockData data : net.minecraft.world.level.block.Block.o) {
+                if(data.o() == water) {
                     hiddenBlockIds.add(net.minecraft.world.level.block.Block.i(data));
                 }
             }
@@ -77,7 +77,7 @@ public class BlockIdWrapper18 implements BlockIdWrapper.IBlockIdWrapper {
 
     @Override
     public int getObfuscateWith() { //ResourceLocation, DefaultedRegistry
-        return net.minecraft.world.level.block.Block.i(IRegistry.X.a(new MinecraftKey(Config.ObfuscateWith)).n());
+        return net.minecraft.world.level.block.Block.i(IRegistry.U.a(new MinecraftKey(Config.ObfuscateWith)).n());
     }
 
     @Override
diff --git a/FightSystem_18/src/de/steamwar/fightsystem/utils/CraftbukkitWrapper18.java b/FightSystem_18/src/de/steamwar/fightsystem/utils/CraftbukkitWrapper18.java
index 617d61f..c5dee09 100644
--- a/FightSystem_18/src/de/steamwar/fightsystem/utils/CraftbukkitWrapper18.java
+++ b/FightSystem_18/src/de/steamwar/fightsystem/utils/CraftbukkitWrapper18.java
@@ -21,10 +21,10 @@ package de.steamwar.fightsystem.utils;
 
 import net.minecraft.world.level.chunk.Chunk;
 import org.bukkit.World;
-import org.bukkit.craftbukkit.v1_18_R1.CraftWorld;
-import org.bukkit.craftbukkit.v1_18_R1.entity.CraftEntity;
-import org.bukkit.craftbukkit.v1_18_R1.entity.CraftPlayer;
-import org.bukkit.craftbukkit.v1_18_R1.inventory.CraftItemStack;
+import org.bukkit.craftbukkit.v1_18_R2.CraftWorld;
+import org.bukkit.craftbukkit.v1_18_R2.entity.CraftEntity;
+import org.bukkit.craftbukkit.v1_18_R2.entity.CraftPlayer;
+import org.bukkit.craftbukkit.v1_18_R2.inventory.CraftItemStack;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.Player;
 import org.bukkit.inventory.ItemStack;
@@ -55,7 +55,7 @@ public class CraftbukkitWrapper18 implements CraftbukkitWrapper.ICraftbukkitWrap
 
     @Override
     public boolean hasItems(ItemStack stack) {
-        Set<String> keys = new HashSet<>(CraftItemStack.asNMSCopy(stack).s().d());
+        Set<String> keys = new HashSet<>(CraftItemStack.asNMSCopy(stack).t().d());
         keys.remove("Enchantments");
         keys.remove("Damage");
         return !keys.isEmpty();
diff --git a/FightSystem_18/src/de/steamwar/fightsystem/utils/ProtocolWrapper18.java b/FightSystem_18/src/de/steamwar/fightsystem/utils/ProtocolWrapper18.java
index 54ee416..52f2704 100644
--- a/FightSystem_18/src/de/steamwar/fightsystem/utils/ProtocolWrapper18.java
+++ b/FightSystem_18/src/de/steamwar/fightsystem/utils/ProtocolWrapper18.java
@@ -125,6 +125,6 @@ public class ProtocolWrapper18 implements ProtocolWrapper {
 
     @Override
     public boolean iBlockDataHidden(Object iBlockData) {
-        return Config.HiddenBlocks.contains(IRegistry.X.b(((IBlockData) iBlockData).b()).a());
+        return Config.HiddenBlocks.contains(IRegistry.U.b(((IBlockData) iBlockData).b()).a());
     }
 }
diff --git a/FightSystem_18/src/de/steamwar/fightsystem/utils/TechHider18.java b/FightSystem_18/src/de/steamwar/fightsystem/utils/TechHider18.java
index b5fc924..d17fb72 100644
--- a/FightSystem_18/src/de/steamwar/fightsystem/utils/TechHider18.java
+++ b/FightSystem_18/src/de/steamwar/fightsystem/utils/TechHider18.java
@@ -69,7 +69,7 @@ public class TechHider18 implements TechHider.ChunkHider {
         Object data = chunkDataCloner.apply(chunkData.get(packet));
 
         tileEntities.set(data, ((List<?>)tileEntities.get(data)).stream().filter(
-                tile -> Config.HiddenBlockEntities.contains(IRegistry.ad.b(entityType.get(tile)).a())
+                tile -> Config.HiddenBlockEntities.contains(IRegistry.aa.b(entityType.get(tile)).a())
         ).collect(Collectors.toList()));
 
         World world = p.getWorld();