Bruce Wayne had a daughter with a powerful witch who was also Vandal Savage's daughter. The girls name is Aella Wayne Savage. She is a ruthless killer and does everything her grandfather told her to do but the day her mother dies her entire world is changed. She is sent to live with her father, Bruce Wayne, in Gotham. She has never actually officially met her father or his two wards, Jason and Dick. Being thrust into a world she had never been in before makes Aella unsure of herself for first time in her life. But along the way of getting used to her new life she starts to fall for someone who she always saw as an enemy. This is set in the DC Young Justice universe. There will be a few changes to the world but not many and it will go along with the time up to the end of season 3. It may stick with it after but I am not sure. Also I do not own any of these character besides the main character and her mother.