South of Hell (2015)

A supernatural thriller set in South Carolina, South Of Hell, focuses on Maria Abascal (Suvari), an amazing demon-killer hunter, whose power comes from within. Like the ones she hunts, Mary is divided into herself, fighting her demon, Abigail, who lives inside her, feeding on Mary exorcised by the others. Mary and Abigail share a soul and a destiny, but as Mary desperately tries to overcome Abigail, she discovers how far Abigail will go to remain a part of her.