Find Me Their Bones by Sara Wolf

No one can save her. \n \nIn order to protect Prince Lucien d’Malvane’s heart, Zera had to betray him. Now, he hates the sight of her. Trapped in Cavanos as a prisoner of the king, she awaits the inevitable moment her witch severs their magical connection and finally ends her life. \n \nBut fate isn't ready to give her up just yet. \n \nWith freedom coming from the most unlikely of sources, Zera is given a second chance at life as a Heartless. But it comes with a terrible price. As the king mobilizes his army to march against the witches, Zera must tame an elusive and deadly valkerax trapped in the tunnels underneath the city if she wants to regain her humanity. \n \nWinning over a bloodthirsty valkerax? Hard. Winning back her friends before war breaks out? A little harder. \n \nBut a Heartless winning back Prince Lucien’s heart? \n \nThe hardest thing she’s ever done.