The Heart Forger by Rin Chupeco

Filled with intricate political intrigue, fierce battles of dark magic, swoony romance, and lush world-building, THE HEART FORGER is the second book in The Bone Witch series. It continues the story of Tea, a bone witch who can resurrect the dead. Now, with the power to command the mighty daeva, epic beasts of myth, she forsakes her self-imposed exile on a quest for revenge against those who wronged her.