Hyacinth

Book #2 of the Svatura Series.
Selene sacrificed everything when she took her brother's place as ruler of the Vyusher - including her secret love for her one-time adversary Griffin Aubrey. When nightmares that are just a little too real start, Selene fears she's turned into a cold-blooded killer... the monster that Griffin thinks she is.

Griffin and Ellie Aubrey are finally safe for the first time in over a hundred years. But when an unknown menace drives Selene to leave her people and ask for help, Griffin must decide. Can he move past his hatred of everything she is? Or will the bond that could bring them both the greatest joy now be the source of their deepest despair?

The threat of the danger stalking Selene in her dreams might be too much even for this powerful group. And Griffin doesn't want to easily forgive the woman he blames for killing his family...