Defensive. How very familiar. He nearly replied with a sarcastic comment he'd use on Dustin, but had to remind himself that this kid didn't know who he was, might not see the humor in the situation.
But then she was showing him a jar of what looked like, well--magical?--lights of some kind, and he stared for a moment before blinking and realizing she'd asked him a question. "Their leader? Did you train them to do shi--stuff?" And he was nodding, because yeah he definitely wanted to see where this was going.