And wanting her is the one risk Aurelius cannot a rival immortal publicly labels Elena a Catalyst, political warfare ignites-and Aurelius must decide whether to protect his empire. or defy the entire vampire hierarchy for the one woman immune to his Fang is Book 2 in the Crimson Dominion series, a dark, sensual urban fantasy saga featuring a morally gray vampire billionaire, a heroine with hidden power, and a slow-burn romance that will keep you reading late into the night.