"That's a reasonable reason for me to talk to somebody, I guess... oh, there, you caught ialdae," she says, lowering him back to the floor. "Ordinary levels of it for a dragon, it seems like. I'm not completely sure how to teach you how to see it without an analysis - hmm, but if you cast any magic-seeing analysis on yourself and then took it off, it might generalize. So if you have one for witchcraft or wizardry or anything then you can try that."