Years after the war, Severus Snape is forced to confront the unimaginable when a pod of territorial sirens claims the Black Lake. Among them is their leader—a monstrous yet familiar figure. His daughter, long thought dead, has returned, transformed and unrecognizable. (Feel free to use this and change to your own characters :] )
No one was meant to find out what she was. Humans feared what they could not understand, even when it was something divine. They tortured her, used her power, drained her until she was nearly dead, then made her disappear. Or so they thought… Now faced with divine retribution, what will Hogwarts do when faced with a vengeful angel.