--- a/net/minecraft/entity/monster/EndermanEntity.java
+++ b/net/minecraft/entity/monster/EndermanEntity.java
@@ -92,7 +92,6 @@
    }
 
    public void func_70624_b(@Nullable LivingEntity p_70624_1_) {
-      super.func_70624_b(p_70624_1_);
       IAttributeInstance iattributeinstance = this.func_110148_a(SharedMonsterAttributes.field_111263_d);
       if (p_70624_1_ == null) {
          this.field_184721_by = 0;
@@ -106,6 +105,7 @@
          }
       }
 
+      super.func_70624_b(p_70624_1_); //Forge: Moved down to allow event handlers to write data manager values.
    }
 
    protected void func_70088_a() {
@@ -226,7 +226,9 @@
       if (!this.field_70170_p.func_180495_p(blockpos$mutableblockpos).func_185904_a().func_76230_c()) {
          return false;
       } else {
-         boolean flag = this.func_213373_a(p_70825_1_, p_70825_3_, p_70825_5_, true);
+         net.minecraftforge.event.entity.living.EnderTeleportEvent event = new net.minecraftforge.event.entity.living.EnderTeleportEvent(this, p_70825_1_, p_70825_3_, p_70825_5_, 0);
+         if (net.minecraftforge.common.MinecraftForge.EVENT_BUS.post(event)) return false;
+         boolean flag = this.func_213373_a(event.getTargetX(), event.getTargetY(), event.getTargetZ(), true);
          if (flag) {
             this.field_70170_p.func_184148_a((PlayerEntity)null, this.field_70169_q, this.field_70167_r, this.field_70166_s, SoundEvents.field_187534_aX, this.func_184176_by(), 1.0F, 1.0F);
             this.func_184185_a(SoundEvents.field_187534_aX, 1.0F, 1.0F);
@@ -371,7 +373,7 @@
       public boolean func_75250_a() {
          if (this.field_179475_a.func_195405_dq() == null) {
             return false;
-         } else if (!this.field_179475_a.field_70170_p.func_82736_K().func_223586_b(GameRules.field_223599_b)) {
+         } else if (!net.minecraftforge.event.ForgeEventFactory.getMobGriefingEvent(this.field_179475_a.field_70170_p, this.field_179475_a)) {
             return false;
          } else {
             return this.field_179475_a.func_70681_au().nextInt(2000) == 0;
@@ -389,7 +391,7 @@
          BlockPos blockpos1 = blockpos.func_177977_b();
          BlockState blockstate1 = iworld.func_180495_p(blockpos1);
          BlockState blockstate2 = this.field_179475_a.func_195405_dq();
-         if (blockstate2 != null && this.func_220836_a(iworld, blockpos, blockstate2, blockstate, blockstate1, blockpos1)) {
+         if (blockstate2 != null && this.func_220836_a(iworld, blockpos, blockstate2, blockstate, blockstate1, blockpos1)  && !net.minecraftforge.event.ForgeEventFactory.onBlockPlace(field_179475_a, new net.minecraftforge.common.util.BlockSnapshot(iworld, blockpos, blockstate1), net.minecraft.util.Direction.UP)) {
             iworld.func_180501_a(blockpos, blockstate2, 3);
             this.field_179475_a.func_195406_b((BlockState)null);
          }
@@ -397,7 +399,7 @@
       }
 
       private boolean func_220836_a(IWorldReader p_220836_1_, BlockPos p_220836_2_, BlockState p_220836_3_, BlockState p_220836_4_, BlockState p_220836_5_, BlockPos p_220836_6_) {
-         return p_220836_4_.func_196958_f() && !p_220836_5_.func_196958_f() && Block.func_208062_a(p_220836_5_.func_196952_d(p_220836_1_, p_220836_6_)) && p_220836_3_.func_196955_c(p_220836_1_, p_220836_2_);
+         return p_220836_4_.isAir(p_220836_1_, p_220836_2_) && !p_220836_5_.isAir(p_220836_1_, p_220836_6_) && Block.func_208062_a(p_220836_5_.func_196952_d(p_220836_1_, p_220836_6_)) && p_220836_3_.func_196955_c(p_220836_1_, p_220836_2_);
       }
    }
 
@@ -434,7 +436,7 @@
       public boolean func_75250_a() {
          if (this.field_179473_a.func_195405_dq() != null) {
             return false;
-         } else if (!this.field_179473_a.field_70170_p.func_82736_K().func_223586_b(GameRules.field_223599_b)) {
+         } else if (!net.minecraftforge.event.ForgeEventFactory.getMobGriefingEvent(this.field_179473_a.field_70170_p, this.field_179473_a)) {
             return false;
          } else {
             return this.field_179473_a.func_70681_au().nextInt(20) == 0;