Heart of Hythea [Song of the Arkafina #1]

Into the world of Yrth comes Katrione, a born healer. The Amaranthine need her, for she is destined to become the Vessel of the Goddess Lalluna and a pawn in the battle against their enemy, the dark Angellus. And Katrione''s fellow citizens, in the nation of Beaumarais, are also desperately in need of a healing touch, as they suffer through an endlessly bloody civil war.
Katrione must make some difficult choices -- between humankind and Amaranthine -- true love and responsibility -- sworn oath and unhappy truth...