"You BITCH!" screeches Bellatrix, so high it’s almost incomprehensible. She bears up, throwing Hermione off, and they roll around in the mud. Hermione’s wand is held tight in her hand, but then they turn over again, the world spins, and she hears a crack. It feels like the ground falls away from under her. In her shock, her grip loosens, and Bellatrix scrambles away – blinded and half mad.