Zombshifter

zombshifter is very hard to kill as he shapeshifts into your weakness he drops 1-3 shapeshifter gems and he can shapeshift into any mob exept for bosses

appearence
he only spawns in the Possible World  and is 2x faster than the player. He is kinda like a miniboss he is turquoise and shaped like a zombie he is 3 blocks tall and 1 block wide