Demon Huntress — Cynthia Vespia

Khalen Calabrese is the last in the demon hunter line. When a blood curse threatens her life, she must take up the title she never wanted in order to thwart it. Together, with her brother Khalo and elven warrior Pax, she'll fight against the forces of evil sent after her by the Duke of Hell, as well as the evil that dwells within her soul. Three complete novels in one book. Demons never looked so good.