Rose shook her head. "Things like that didn't get brought through the mirror. Usually. Listen, I promise, whatever you had going on there then, this is more important. Entire universes, timelines, parallel worlds, you name it, they're all going out and getting swallowed by Darkness. And right here, right now, you've got a bunch of allies all set up and training in how to fight it. Not just to guard against it, yeah? But fix it. Cure it. Restore places that got swallowed. If you like existence, then you need to be here to help."