Assassin Lyra Shadowborn has one mission: kill the Shadow Dragon King who murdered her parents. But when she's captured by Kaelen Draek, the impossible happens—he's her fated mate.

Torn between the Resistance that raised her and the dragon who reveals her parents' true killer, Lyra discovers she's a Celestial hybrid prophesied to either unite the warring realms or destroy them. As her twenty-fifth birthday approaches and her transformation begins, enemies close in from all sides.

Will Lyra embrace the mate bond and save both their peoples—or become the weapon that ends them?

When love and prophecy collide, which will she choose?