Angelina raised her hand and said, "Professor the heir of Slytherin was Tom Riddle or also known as Lord Voldemort." She knew a few things about the Chamber of Secrets. "The chamber is known to have a Basilisk inside. Riddle sent the Basilisk to this bathroom. With the Basilisk out and around here it ended up killing a student of Ravenclaw, now known as Moaning Myrtle." When she finished Angelina looked around a little at her classmates and back down to the floor a bit.