diff --git a/sources/src/main/java/io/akarin/server/core/AkarinSlackScheduler.java b/sources/src/main/java/io/akarin/server/core/AkarinSlackScheduler.java
index 0c78a44f9..ece3bfddc 100644
--- a/sources/src/main/java/io/akarin/server/core/AkarinSlackScheduler.java
+++ b/sources/src/main/java/io/akarin/server/core/AkarinSlackScheduler.java
@@ -2,10 +2,12 @@ package io.akarin.server.core;
 
 import io.akarin.api.internal.Akari;
 import net.minecraft.server.EntityPlayer;
+import net.minecraft.server.EnumDifficulty;
 import net.minecraft.server.MinecraftServer;
 import net.minecraft.server.PacketPlayOutKeepAlive;
 import net.minecraft.server.PacketPlayOutUpdateTime;
 import net.minecraft.server.PlayerConnection;
+import net.minecraft.server.WorldServer;
 
 public class AkarinSlackScheduler extends Thread {
     public static AkarinSlackScheduler get() {
@@ -63,6 +65,12 @@ public class AkarinSlackScheduler extends Thread {
                 }
             }
             
+            for (WorldServer world : server.worlds) {
+                if (world.getWorldData().isHardcore() && world.getDifficulty() != EnumDifficulty.HARD) {
+                    world.getWorldData().setDifficulty(EnumDifficulty.HARD);
+                }
+            }
+            
             try {
                 Thread.sleep(100);
             } catch (InterruptedException ex) {
diff --git a/sources/src/main/java/net/minecraft/server/WorldData.java b/sources/src/main/java/net/minecraft/server/WorldData.java
index 816500dbe..943557e68 100644
--- a/sources/src/main/java/net/minecraft/server/WorldData.java
+++ b/sources/src/main/java/net/minecraft/server/WorldData.java
@@ -47,7 +47,7 @@ public class WorldData {
     private boolean z;
     private boolean A;
     private boolean B;
-    private EnumDifficulty C;
+    private volatile EnumDifficulty C; // Akarin - volatile
     private boolean D;
     private double E;
     private double F;
diff --git a/sources/src/main/java/net/minecraft/server/WorldServer.java b/sources/src/main/java/net/minecraft/server/WorldServer.java
index 6bdf03579..27c0c28b4 100644
--- a/sources/src/main/java/net/minecraft/server/WorldServer.java
+++ b/sources/src/main/java/net/minecraft/server/WorldServer.java
@@ -277,9 +277,10 @@ public class WorldServer extends World implements IAsyncTaskHandler {
     @Override
     public void doTick() {
         super.doTick();
-        if (this.getWorldData().isHardcore() && this.getDifficulty() != EnumDifficulty.HARD) {
+        // Akarin start - goes to slack service
+        /* if (this.getWorldData().isHardcore() && this.getDifficulty() != EnumDifficulty.HARD) {
             this.getWorldData().setDifficulty(EnumDifficulty.HARD);
-        }
+        } */ // Akarin end
 
         this.worldProvider.k().b();
         if (this.everyoneDeeplySleeping()) {