Jack Raus is a blacksmith and Guardian of the fortified city of Revdagrad, the only place of safety for humankind in a world surrounded by chaos and endless night. An ancient deity threatens to destroy the very foundation of what Jack has sworn to protect, so he must embrace the legacy of his ancestors and become a Knight of the Light.But power always comes with a price, and Jack must serve Zephyr, an elemental deity, mystical, secretive, and bent on retribution at any cost.