“We just need to wipe their memories,” said Harry. “It’s better like that, it’ll throw them off the scent. If we killed them it’d be obvious we were here.”
“You’re the boss,” said Ron, sounding profoundly relieved. “But I’ve never down a Memory Charm.”
“Nor have I,” said Hermione, “but I know the theory."
She took a deep, calming breath, then pointed her wand at Dolohov’s forehead and said, “Obliviate.”