Born of Darkness. Rita Vetere

There's no escaping black karma, even for immortals. Meet Jasmine Fairchild, outrageously gorgeous and extremely persuasive – unnaturally so. Jasmine is a Cambion, part mortal, part succubus. Enter Ahriman, an ancient and evil incubus. For centuries, he has exploited the secrets of reincarnation to reach his goal of immortality and the eradication of humanity. All he needs now is a portal, an opportunity. . .and Jasmine. She stands alone as the only force powerful enough to immortalize or destroy him, and her dual nature makes Ahriman's task a little tougher than he thought. . .22,000 Words