"A little, here and there. I posed as a teacher when they first started and were up to something. I was beat up by a rude, sleepy young man who realized the deception. Oh, what was his name..."

They snap their fingers, trying to recall it. Then shrug.

"It may have been a joint effort for the crystals, but I think that was also a lie? I think I arrived just after their Echo disaster, slipped in almost officially, and then happened to find a tengu raiding their vaults of crystals. And then took a precious few after informing them about the break-in? The memories around the erasure are all fuzzy."