An ancient feud. A forbidden love. A bargain with the darkest magic... Lady Maerea has lost everything to her forefathers' feud, and now it falls to her to stop the bloodshed. When the enemy storms the castle gates, he makes promises, not demands. Lord Alcaeus tempts her in ways she never imagined, but surrender would be the ultimate betrayal of her family. Alcaeus doesn't care about winning the war, but he would do everything to win Maerea's heart. He secures her hand in a marriage alliance that could lead to a lifetime of passion. But her brother's retribution is swift. Alcaeus's only hope is to become humans' worst fear: a Hesperine, a fanged immortal with a taste for blood. Will his new power save Maerea - and can she love the monster he's become? This steamy fated mates romance with an HEA is a standalone novel and prequel to the epic Blood Grace series.