"Ummm," says Castor, wondering idly if he's actually run into a legitimate ghost. "No. Can't see any of that, either. I also don't remember how I got here? Which seems weird to me." He scratches the back of his neck.

Persis shifts her position onto his shoulder, sniffing the air, like that'll help. Will it? Does she have actual animal abilities? Castor doubts she has any more idea what she is than he does, beyond their shared metaphysical notions.

"I'm Castor," he says. "You are?"