Feast of Mercy — Kathryn M. Hearst

Nick never wanted to live forever, and he certainly didn't want to join the Order of the Sinistra Dei. Unfortunately, before he's able to get used to the idea of immortality, the High Judge from the Vatican arrives in New Orleans to investigate the strange events of Fat Tuesday. If Nick doesn't play his cards right, his forever could be a whole lot shorter. Marin, a relatively new immortal, hasn't had time to settle into the idea of living forever, and she doubts she ever will. When she's forced to assist the High Judge in his investigation, she'll do what she has to do to protect her clutch. However, her efforts bring her closer to facing the executioner's blade. As their world spins out of control, Marin and Nick struggle to reconcile past hurts and hold onto their budding relationship. With new enemies, new abilities, and new desires threaten to tear them apart. It isn't long before they realize … Loving someone means you want the best for them. but what happens when what's best isn't you? Feast of Mercy is the third book in the Sinistra Dei series. If you like mysterious supernatural creatures, conflict-ridden romance, and a lot of heat, then you'll love this Urban Fantasy series.