The Unknown (The Sorcerers' Prophecy Book 1)

Casey and Kate are just average teenagers when their world is shattered with the discovery of their real home Alagia. In this alternate and magical world the girls learn of a prophecy that tells of their destiny to turn against one another and in order for Alagia enter an era of peace only one of the girls can survive their imminent battle that will wreak havoc across the realm. The only problem is that no one knows which girl will help the dark sorcerers of the land or the nomadic tribes longing for peace. The girls struggle to face their prophesized fate especially since Casey and Kate are twin sisters who have nothing from their old life except each other.