"Do you really think you deserve to know who has proven to be my most faithful servant?" His upper lip curls up to reveal a row of sharp, yellow teeth as he studies my face. He looks amused. "Hardly. You'll die before he shows up, Draco, one way or the other. As for my greatest enemy: if you're not willing to tell me where Harry Potter is or if he's even in this very building, we'll try the second and the third choice first. What do I have to lose?"