Mangle is one of the few characters to have all of her counterparts (Phantom and Nightmare) in the game.This, however will drain power even faster. If you fail even once to put the snare at the right place, he will get to you unless you put down the vent door for the rest of the game. If you keep looking in the vents and putting the vent snare in the right position, you can avoid her. Use the vent-snare to prevent her from making it that far.' ' Unlike the other animatronics in the vents, once Mangle reaches the vent opening he will never leave.