"Well," says Bella, "they exist - I'd bring in some proof, but the interworld computer-person that does our on-demand worldhopping is down right now. But there are thirteen of me that we know of so far, plus however many more that haven't joined us yet, and also a bunch of him," she gestures at Brilliance, who she's still holding, "and also a couple of you. And mes, when we get together, spread particularly useful powers around, so, I'm a local magic-person and Brilliance here is a local Device, but I also have some other stuff."