Eternal Damnation by Stacy Reid — book slip

Lachlan Ravenswood, a shadow assassin, lives in exile to suppress the demon within him. His life takes a turn when he meets Shilah Symonrah, an Imperial telepath on a mission to free her kingdom from tyranny.

Their encounter awakens a prophecy that threatens to plunge the world into darkness. As they battle their mutual enemy, Shilah accidentally releases Lachlan's demon, igniting a passion that could either save or doom them.

For fans of dark fantasy romance with a touch of the forbidden.