Breath of Fire by Amanda Bouchet

Cat Fisa’s warlord captor-turned-lover may have crowned her with the symbols of the three realms, but war is far from over. She believes in what Griffin is trying to accomplish. She believes that peace will finally come when the realms are united. And she believes that with her by his side, Griffin has the strength to change the world. But with her dangerous past resurfacing and the neighbouring Magoi royals out for blood, Cat and Griffin must strike soon if they want to unify the land without full-scale war… Read more.