The Twisting Flame by Tayvia Pierce

In "The Twisting Flame", Carys must survive unimaginable horrors as she fights the corruption of the enemy. Abducted by a mysterious and brutal stranger, Carys is taken to Azkaelom and pushed to the very limits of her strength and endurance as she longs for freedom and fights for her very survival. As she faces the Lord of Azkaelom, she begins to understand the truth behind her abduction and comprehend the significance of the storm she must endure.