"Oh ho! This is easy," it whispered in her head. "Smart, ambitious, and under a vow to learn the Dark Arts. Ravenclaw would be a possibility, but given your vow and allies in the Eternal War I think it had better be SLYTHERIN!" It yelled the last word aloud, and the House applauded politely for her, as she trotted over to sit next to Vincent. They saved spaces for their friends, who all joined them in due course.