The Age of Chaos: Stormqueen! Hawkmistress! by Marion Zimmer Bradley

"Set during the lawless Ages of Chaos, when the ruling families of the Seven Domains of Darkover ruthlessly inbred their psychic offspring to gain powerful and fearsome talents, two young women are born with "wild" psychic gifts. These stories—Stormqueen! and Hawkmistress!, one tragic and one triumphant—combine to give the reader a vivid and poignant picture of a devastating time period in the history of this fantastic world. Stormqueen!During the lawless Ages of Chaos, when the ruling families of Darkover ruthlessly inbred their laran-gifted offspring to gain powerful talents, a baby was born to the lord of Aldaran. This child, born on a dark and thunder-filled night­­­­, was possessed of a terrifying and uncontrolled talent: Dorilys, heiress to her father’s domain, could unwittingly call forth lightning, even while still a fretful child. Fearful for his daughter’s life and the safety of his domain, Lord Aldaran sent to a tower for help. But even the powers of a trained monitor and a