Darkness Splintered. Book 6 in series

The sexy, exciting, suspenseful adventures continue in New York Times bestselling author Keri Arthur's Dark Angels series, starring Risa Jones, half-Aedh/half-werewolf, all badass. Now Risa races to save the world from descending into ultimate chaos.... Risa has angered several powerful people, and now she's feeling the pressure from all sides. In particular, she's come under the eagle-eyed scrutiny of the vampire council - some of whom consider her a monster who should be destroyed.
But then they decide to offer her a secret, bloody bargain: to save her own life she must help them defeat Hunter, the lethal head of the council... As the search for the keys to hell heats up, Risa realizes that she has no choice. For the sake of the people she loves, she must find the keys-and get rid of Hunter-before the next gate is opened and brings the world closer to all hell breaking loose....