The Demon Slayer {Draft 1}(Under heavy editing)

Cover by~ PaeslyOz

Lillian Star spent her whole life researching about slaying demons, she plans on being one of the best. In order to do that; she attends Academy of Seraphia. A school that teaches students about demons and killing them.
Upon walking through the front gates, destiny rings her doorbell. A werewolf named Sebastian Moonbane, marks her as his. All the while, Lillian is being tormented by the Fallen Angel in which she's named after and powers she shares. Lillian grows to love Sebastian. Lillith sees this and uses him against Lillian; this act of Lillith's foolishness unlocks Lillian's true power. Within a month and a half she overpowers all the Nine Princes of Hell combined. She favors the control over Satan's blue flames over all her powers. She uses this for the good of herself and her Soul-mate. The immortals above notice Lillian's power. They wish for her to join them, and she's torn.
Will her unworldly powers be her downfall or the key for humanity's continuation?