Ron flushed, his own anger flaring. He muttered something under his breath and Hermione's clothes were suddenly sliced off. They fell to the floor ... but Hermione was unmoved in her nakedness. She advanced on Ron again. But he was recovered from his shock now, and Dark fury was spreading through him. Hermione could almost see it ... as if it were an oil slick coursing over his essence. It made Hermione hesitate.