City of Promise and Light by M.B. Atkins

Sybil Hart’s ordinary life unravels the moment she collides with a silver-hairs stranger, pulling her into a hidden world of fae, ancient gods, and long-buried magic. A tempting job offer from the enigmatic Ambrose Farra quickly becomes a perilous path as Sybil’s latent power awaken, threatening to consume her and strip away her humanity.
As she’s drawn deeper into a legacy she never knew existed, Sybil finds herself caught between two powerful men: Ambrose, a seductive manipulator with dangerous ambitions, and Samian, her brooding protector who urges her to take control of her fate. But nothing is as it seems, and when betrayal strikes from within, Sybil must confront the truth about who she is and what she’s capable of. With the fate of an entire realm hanging in the balance, she faces an impossible choice…

Can Sybil embrace the darkness rising within or risk loosing herself forever?