"We don't really know, but I can see it," says Glass, continuing to peer at the dragons. "I can tell by looking what template someone is, some things about what that means for their personal characteristics, and how templatey they are - Bells and Jokers are the templatiest, but Sherlocks aren't far behind - and things about how their template attractors have interacted with their worlds, and about the worlds themselves, and about how templates are sometimes inclined to appear together."