"That's impossible. Only children from wizarding families are taught magic beforehand," Katrina said, a stunned expression on her face.
"I heard that... to enter the Ravenclaw common room, you have to answer a question..." Albert awkwardly changed the subject. He didn't want to get into an argument about his blood status.
"Yes, you must answer a question from the bronze knocker in the shape of an eagle to be allowed into the Ravenclaw common room." Katrina looked at Albert suspiciously and asked, "However, I'm curious. How did you know about that? Many people have no idea how to enter other houses' common rooms."
Chapter 16