handler.setSize(slime, 1);
NBTTagList effectList = (NBTTagList)StackUtils.getTag(stack, "Effects");
if (effectList != null)
for (int i = 0; i < effectList.tagCount(); i++)
slime.addPotionEffect(PotionEffect.readCustomPotionEffectFromNBT(
effectList.getCompoundTagAt(i)));
world.spawnEntityInWorld(slime);
slime.playSound("mob.slime.big", 1.2F, 0.6F);