"It's always hard to keep track sometimes, because some worlds are totally different from the ones we're from. The place where I learned magic is actually different from my world, and just kind of leaked into mine. That was how I got there to begin with."

There was more to the story than that actually, but Luz could wait to get to that.

"The empty? Whoa. I watched an old movie like that once, where there was a kind of unmaking power that plagued the world. Now I wish I was paying a little more attention. You friend sounds pretty brave."