Shadow Guardian - Shadow Walker Trilogy, #3

With insurmountable odds to beat, Charlie must choose between her safety and the man she loves. Charlie is plagued by more trouble than she can handle at once. For her own safety, she's taken refuge at a secret compound away from Drake. As if that wasn't enough, she is determined to guard the Srimtar and keep it out of enemy hands. What looks like a reprieve from her current situation soon turns into yet another battle.
A brief reunion with her beloved Drake only adds more pressure. With her continued struggle to control her demonic powers, she seeks guidance from her long-lost mother. But soon new problems arise. This time, she sits at the precipice of what could be the best outcome possible or the worst thing that ever happens to her.