Rogues carry pouches containing little orbs of their aspect that they've stolen for use as offense. Example, Rogue of Time stealing a bunch of time, since time stretches on forever they can steal as much as they want, and throws a "time bomb" that explodes and causes everything in the blast radius to age until they are dust

That’s a nice concept. Alternatively though, what if the Time Orbs detonate into a Stasis Field, freezing time within a bubble around where it exploded for a set period of time.