On the other hand, Hermione knew so little about the werewolves. Greyback seemed to enforce his rule by violence, but nobody around them was looking overly concerned about it: the werewolf who’d been struck in the stomach was already back to normal, the bruise faded. Perhaps a threat of mutilation from Greyback was, in this company, the same as a sternly-worded lecture from one’s Head of House.