Morgana's heir and the truth

The Great Hall's door open, in came a woman who was glaring hatred at the Headmaster of Hogwarts: Dumbledore. No one knew why she was there but it was clear that this woman would change the path everything was heading, but is it for the worse or the better? Dark Lord Dumbledore, Ron, Ginny, Molly bashing. Hermione Bashing. Demon Blaise, Demon Harry. Magician Neville. Veela Draco