Extinction — M.R. Forbes

Landon Hamilton is no stranger to adversity. As the Diuscrucis, Purgatory's champion in the war between Heaven and Hell, he's had to deal with his unfair share: The vampire who betrayed him, the Beast who imprisoned him, the angel who tried to kill him, and the powerful demon who almost did. As the war between good and evil continues to escalate, it is up to Landon and his remaining allies to put an end to the threat. But when your greatest adversary is also one of the people you love the most, can there be a happy ending?