The Warlord Wants Forever by Kresley Cole

Nikolai Wroth, a ruthless Vampire general, will stop at nothing to find his Bride, the one woman who can “blood” him, making his heart beat and filling him with strength. Coldly interested only in the power his Bride will bring, he can hardly believe when Myst the Coveted awakens him body—and soul. Famed throughout the world as the most beautiful Valkyrie, Myst has devoted her life to protecting a magical jewel and to fighting the vampires. Wroth provides her with the perfect opportunity to torment her sworn enemy—for with his new heartbeat comes a consuming sexual desire that can only be slaked by her. Denying him… Read more.