Jade filed it under 'magic'. The mentors back home would no doubt be interested, but it wasn't important to understand how that worked.

"I don't think we do, unless you're from a very isolated part of the Three Worlds. Most groundlings I've heard about have trade relations with other races. Or at least see travelers from them. Even in the Forest Reaches, we get trade from other places. Your race are humans? There's certainly a lot of you."