Cain tilted his head in consideration of that idea. Just another particle, something manipulable by people with nothing but some kind of focus and capable of inexplicable things. This aer sounded dangerous and fascinating all in one, and that left a lot of questions for the fact that it was apparently present in the Dreaming as well.

"Have you met anyone else not from where you are who can do that?" he asked. "Use aer like that."