create a mob that looks like a zombie which has the following appearance: 'A man in a green jacket and a black shirt with black pants and a hockey mask' and the following behavior/capabilities: 'It attacks every mob it sees no matter what all mobs will be attacked. every kill it gets it gets more health and strength. Once it gets 5 kills it says “I am the true warrior” once it hits 10 kills “karma is mine to control” and every 5+ kills it’ll get more and more powerful and say more lines. it has 2 abilities 1 is knockback it knock backs every mob in it’s vicinity if it’s low in health. And the other move is rapid regeneration once it gets really close to death it makes a sound of a totem of undying and regenerates really fast.'