Hermione most likely racks up another life debt to him: “The curse Dolohov had used on her, though less effective than it would have been had he been able to say the incantation aloud, had nevertheless caused, in Madam Pomfrey’s words, ‘quite enough damage to be going on with.’” (HP/OotP, 847) Hermione is cured by “ten different types of potion every day,” and it seems probable that the resident potioneer and Dark Magic expert had a hand in brewing some of them.
