Book 1 in the Passion & Hellfire series.To fulfill an ancient covenant, Asherton Karlitis, a half-demon Hell Hunter, turns against his kind to fight demons bent on destruction. He must save one special female from becoming a victim and breeder—a woman he craves for himself. He will seduce her and mark her with his essence.Dalila Na'eem has helped Ashe with paranormal research for some time. He's super sexy and their attraction is undeniable. He has long been the focus of all her erotic fantasies. Tonight he wants to make them reality.When she finds out the truth about Ashe, she is shocked and afraid. But her need for him is enough for her to accept what he is and to trust this half demon who says he knows how to love.