Because an infinite number of realities lie beyond the borders of my own... ready to be harvested of resources. [ oh he's so excited. ] But none of that matters now. It's merely food for thought...

[ holds a hand out to him. ] ...mm, of course, but perhaps next time we can collaborate on your revenge. Because she uses the Raiden Shogun to rule Inazuma we could have simply drugged and dragged her back to my lab and turned her into a puppet, herself. Let her consciousness swim in a body she has no control over, a true prison.