Heart of Dread: Stolen: Book 2

Nat and her drakon are the last of their kind, sworn to protect what their enemies seek to control. She's risked her life for their reunion, but that meant breaking Wes's heart - and her own.
New Vegas is threatened by the resurgence of magic and declares war on all the marked. When Wes is caught by the RSA, he is forced to do the unthinkable.
Wes and Nat find themselves on opposing sides of a war that could destroy what little is left of their world.