sacrificing some bit of health with each exertion of power, so that he aged quickly after large exertions.
Yet all his uses of powerful magic either have no visible effect on him whatsoever, or cause him to revert to pretty much the same zombielike form for varying periods of time. It’s strongly implied that different dark rituals require entirely different kinds of sacrifice.
Yet all his uses of powerful magic either have no visible effect on him whatsoever, or cause him to revert to pretty much the same zombielike form for varying periods of time. It’s strongly implied that different dark rituals require entirely different kinds of sacrifice.
I can’t remember whether it was after the “war” that stuck people to the roof, or after Bellatrixes rescue, but there was visible aging to Quirrell.