Veil of Midnight by Lara Adrian

Veil of Midnight:
Bound by blood, addicted to danger, they'll enter the darkest—and most erotic—place of all.

A warrior trained in bullets and blades, Renata cannot be bested by any man—vampire or mortal. But her most powerful weapon is her extraordinary psychic ability—a gift both rare and deadly. Now a stranger threatens her hard-won independence—a golden-haired vampire who lures her into a realm of darkness…and pleasure beyond imagining.

A combat-loving adrenaline junkie, Nikolai dispenses his own justice to enemies of the Breed—and his latest quarry is a ruthless assassin. One woman stands in his way: the seductive, cool-as-ice bodyguard, Renata. But Renata’s powers are put to the test when a loved one, a child, is threatened and she’s forced to turn to Niko for help. As the two join forces, as desire fans the flames of a deeper hunger, Renata’s life is under siege by a man who offers the exquisite pleasure of a blood bond—and a passion that could save or doom them both forever.…

I am reading the Midnight Breed series by Lara Adrian practically back-to-back, so I have (and will) not be reviewing each and every book. But I just had to say that so far Renata is my favorite heroine in the series so far. She is a strong yet vulnerable woman who, despite years of abuse and abandonment, retains a soft heart for those weaker than herself. Nikolai was the perfect match, accepting every part of Renata, even going so far as to offer a part of himself in order to make her stronger; while asking nothing in return. The action was intense and the sex was hot, I loved the romance and the struggle they went through to reach their happily-ever-after made it all the sweeter.