im vampire wolf angel... what else?

Xalia is renesmee Cullen's daughter. She has a twin sister named becca. Xalia has lived in an orphanage for all of her life while the volturi was after the Cullen's for a crime that they did but didn't commit. Xalia died when she was born, but she came back to life an angel. But what everyone didn't know was she could be much more powerful then they anticipated. What will happen to a teenage girl who has more gifts and more advantages to life than that of a regular girl. What will happen to a teenage angel-werewolf-vampire..?