"I know spells that could help. The first two will deal with nerve and muscle damage. The second one can grow back his skin. Yet, I am not sure if it will be strong enough to not leave scars. We will need potions." He hesitated. "Harry, I am not sure he is strong enough to survive this. I'm about as far from a healer as possible. He is weak already, and the magic could demand more of his body than he has to give."