Is the Quest Sound of Silence Going to Kick Him in the Butt?

Go to the athenaeum of sound and silence and speak with the bursar. You can make whispers always insomebody's ear until it slowly drives them insane. That's what i would use it for. But, ah, it sounds like it's going to kick him in the butt, doesn't it? It does. Last time we had a simple quest, it kicked them in the butt real hard. And we haven't seen him do anything with spirit to make me think that he's not going to become valdemore nextime he levels up,. I mean, the fact that he said once, no spirit magic. I won't become v Voldemort when i level