Bay's face pretty easily betrays where her mind is going with that confirmation. She takes a moment to think about what she's asking, because it's the sort of question that only makes sense when you know the topic.

Is W-R-E-N-C-H your name. Or is it what they call you? It might look, to anyone trying to follow her gestures, she's referring to the room of other summoned with 'they,' but she isn't. The summoned are hearing, yes. But they come from too many types of worlds to settle on the same rules.