Something happens to her wand, it explodes into a million pieces in a flash of light, and when Hermione and Neville can see again, they find the library in chaos, and her old self on the floor feet away from the runes circle, the book she was studying nowhere to be seen. Hermione watches herself slowly stand up, a bit horrified as something seems to glow under her skin, in her veins, until she opens her eyes, a red spark shining in them.