Harry just looked a bit smug at having kept the argument going. It wasn't a real argument, anyway. Not like they'd had when they had the lockets. Compared to that, they were getting along swimmingly well these days, really.
He saw the trunk and scowled though, hand automatically closing over his wand, just in case. "Yeah. . ." Except what if it wasn't really Xenophilius? What if he was polyjuiced? Or Imperio'd? "What about Luna, though? We can't just run off if she might be in trouble. We have to go figure out what's really going on." They owed Luna that much. Besides - they were friends. Harry glanced at the mural on the wall and then back at the others, drawing his wand and keeping it in hand. "We'll just have to hurry. And be careful."