Dwelling on an unnamed planet in the heart of the galaxy, these five mysterious beings embodied the connection between the living Force present in lifeforms big and small, and the larger, timeless cosmic Force. Mutable in form, the Priestesses manifested as Serenity, Joy, Anger, Confusion, and Sadness. They tested Master Yoda on their homeworld, helping him attain a larger understanding of the Force and learn to preserve his identity after death.