Colder? Dun looked at the senior quizzically, having felt no such thing. But he didn't really get cold... perhaps it had something to do with his vampire heritage. So he took her word for it.

Dunstan accepted the older Ravenclaw as the leader of the situation, and nodded, placing his lit wand carefully on his chair as he put his textbook away in his satchel and helped a panicky Third Year do the same.

But then he paused, distracted — for he'd heard Peeves giggle again, and this time it was coming from the other side of the common room. "I think he's in the walls."