Castaspella is a character of the Princess of Power toyline.
Castaspella was a practicing apprentice sorceress originally from the Kingdom of Mystacor. She, along with a rival sorceress named Light Spinner, were being trained by a great Etherian sorcerer named Norwyn. When Hordak arrived on Etheria, Light Spinner betrayed Norwyn and Castaspella and joined The Horde as Shadow Weaver.
Castaspella is the very beautiful queen of Mystacor. The seat of power was at Castaspella's Enchanted Castle, which set atop a floating island. Many of its people are magically endowed.