Thendara House by Marion Zimmer Bradley

In a world where two cultures collide, the story follows Magda Lorne, a Terran operative, as she navigates the complexities of life in a society governed by telepathic powers and ancient traditions. Torn between her allegiance to the technologically advanced Terran Empire and the mystical allure of the Darkovan way of life, Magda finds herself immersed in the enigmatic Thendara House, a sanctuary for women seeking empowerment and self-discovery. As she delves deeper into the customs and beliefs of her new surroundings, Magda must confront her own identity and the choices that will shape her future, all while the tension between the two worlds threatens to erupt into conflict.