It started when she was staying at 12 Grimmauld Place over the summer. Mrs. Weasley had assigned her to go through the books in the library, either ignorant or indifferent to the danger that lurked there. When she had first entered the room the Dark magic was so thick, that it left a bittersweet residue on her tongue, like burned sugar. Sirius had followed her into the room and had recoiled in distaste as soon as he felt it. She had done the opposite, and had taken another step into the room. 