--- ../src_base/minecraft/net/minecraft/entity/boss/EntityWither.java
+++ ../src_work/minecraft/net/minecraft/entity/boss/EntityWither.java
@@ -26,3 +26,6 @@
 import net.minecraft.util.DamageSource;
 import net.minecraft.util.MathHelper;
 import net.minecraft.world.World;
+
+import net.minecraftforge.common.MinecraftForge;
+import net.minecraftforge.event.entity.living.WitherDestroyBlockEvent;
@@ -372,8 +375,14 @@
                                int k2 = i + i2;
                                int l2 = j1 + l1;
                                int i3 = this.worldObj.getBlockId(j2, k2, l2);

-                                if (i3 > 0 && i3 != Block.bedrock.blockID && i3 != Block.endPortal.blockID && i3 != Block.endPortalFrame.blockID)
-                                {
-                                    flag = this.worldObj.destroyBlock(j2, k2, l2, true) || flag;
-                                }
+                                if (i3 > 0)
+                                {
+                                    WitherDestroyBlockEvent event = new WitherDestroyBlockEvent(this, i3);
+                                    MinecraftForge.EVENT_BUS.post(event);
+
+                                    if (!event.isCanceled())
+                                    {
+                                        flag = this.worldObj.destroyBlock(j2, k2, l2, true) || flag;
+                                    }
+                                }