Raine shook her head. "I don't think it can be the location which is important. We left Valishaera some months ago, after all. Rather, it's what the arch means: it's a portal to the Dreaming. We saw those constructs first there, but it's entirely possible to reproduce them. Most likely that was the easiest way to tell us that the Dreaming would be important." A pause, to think, and she realized she probably couldn't count on Dante to know what that is, either. "Do you have any experience with the Dreaming?"