Saeva, deam veteres. "The Goddess Of Old"

a child born of the old religion. Saeva Consilia, has to live her life in an abusive house hold. her father believe Saeva is possessed by a demon of the old religion and the only way to free her is to cleanse her corrupted soul by brutally starving and beating her. but somewhere in the back of Saevas memories, deep in her heart she knows that Cor is not her name, but Saeva. Cor is her twin sister, stolen by her mother at child birth. now Saeva is being contacted by the gods of the old religion to fight an ungodly war. enlightened at the age of 7, Saeva can speak the dead language and communicate with the old gods. is this her fate?