Chaos is it's own Reward

Posion and jinxes, something that one Asteria Black knew quite a bit about. Something that was going to force the magical world to bend to her will, even though she truly didn't care for it sometimes. It had taken her friend's parents from him and had prejudice against her other friend. Well, who was she to just sit by? Slytherin Timeline! Bashing of a few characters! Darker Harry!