That way wasn't an exit and he very much doubted he was getting back to the warm fire waiting in the Ravenclaw common room on his own. Also he'd never forgive himself if he left Tony there and something worse happened and for that matter neither would Potts. If he was being honest with himself his curiosity was peaked. This school had lots of undiscovered treasures according to the history books.
"Don't try to mount me again," He warned. "So You invented her?"