"I dunno," Michael was already telling the doorknocker before it began speaking.
He'd noticed that other people hung around outside the tower, waiting for someone who could answer the knocker's question correctly to turn up. It was a flawed system, but he'd found a way around it, totally by accident.
Michael wasn't good at riddles. He didn't have the right kind of mind for them, and they always had stupid answers, anyway. So after three days at Hogwarts, and half an hour of guessing what lives in water but never gets wet, he'd snapped at the knocker that he didn't know and to just let him in.
Apparently, admitting what you didn't know was a sign of Ravenclaw Cleverness, and now it was also Michael's modus operandi for getting into the tower.
Wallis was waiting for him over by the fireplace, and Michael made a beeline over there, dropping his bag at his feet.
"Hello," he greeted her, remembering to make sure she could see his face.WALLIS BABINEAUX