Almost all of my stories tie into a central infinite multiverse, which is more or less ruled by beings who destroy trillions upon trillions of universes when the low tiered among them fight. These beings then get roflstomped by Ultima, who in turn is a flawed prototype of perfect Ultima, who can't be defeated by anything ever no matter what >_>.
EDIT: Forgot to vote for Anti Spiral. As much as the ability to Zero things is a great power, it just doesn't stack up against the real power of reality warping on a universal scale.
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MMBN style fighting game made by me in the link below!
http://sandbox.yoyogames.com/games/184947-b8bn