The Curse of Broken Shadows by Laura Winter

Shadow magic is extinct. The Veil Worshippers who honour the shadow god’s wall are hunted for their artifacts, including the Veil shards that break off the wall in Valisea. Brela vows to steal it all back. With the dagger of her people and a Veil shard embedded in her collarbone that has infected her with shadow-cursed magic, she is determined to keep her secrets or suffer a fate worse than death. That was a lot easier when the uptight and infuriatingly handsome Captain Cason Valkip wasn’t hunting her. Cason has spent his entire life hiding from the raids on Valisea, from,… Read more.