"Ordering them to do your dirty work without paying them in kind. Contracting with another demon while still bound to another— greed is what that was all about. Greed for more power than one demon could give when you had already made your choice once." Hermione's eyes seemed to glow. "Thrice you have done it. The magical number. The first unintentional. The second, a mistake. The third— quite deliberate, intentional. Smugly believing that your actions would go unnoticed once more."