The Masters of Reality are dying; the unknown force grows ever stronger, and they haven't the power to combat it. Thus, they hold a tournament; the universe's most powerful beings brought together, the winner becoming the champion of the Masters and the one destined to save the universe.

Twilight Sparkle, to her surprise as much as anyone else's, happens to be one of them. Will she be able to fight the most powerful beings in the universe?

Multiple crossovers.