Verdant (The Legends Of Regia, #3 by Tenaya Jayne — book slip

Shi, a Dryad chosen to become a Verdant, is destined to sacrifice herself to the flame. But her curiosity leads her to break the rules, venturing beyond the boundaries she was meant to stay within. Meanwhile, King Leramiun, restless in his new role, investigates reports of a mass grave in the forests. Instead of death, he finds Shi, a goddess of life. Their forbidden kiss sets off a chain of events that threatens the existence of an entire race.

For fans of dark fantasy and forbidden love stories.