Hey whoa whoa, I thought we'd all agreed that it was because she was a jerk and no other reasons! And also, yes. Starting with the destruction of her home plane and then expanding from there throughout the Multiverse. Because of course.

"Ah, the willingness to sacrifice everything for the right to stand on the smoking crater of while declaring yourself the victor to the bones around you," she said a little bitterly. "Are any of them at least necromancers to make that victory even the slightest bit less hollow?"