The Sisterhood in the "Dune" universe possesses various abilities that can be considered as "superpowers." They have the power of control and manipulation over others, which is referred to as "The Voice" or "Truthsayer." They can use this ability to discern if someone is telling the truth or to exert mental control over others. Additionally, they have a skill called "Bene Gesserit's Litany Against Fear," which allows them to control their own fear and emotions. The Sisterhood also has the ability to foresee the future and manipulate political decisions. Overall, the Sisterhood's abilities make them one of the most powerful forces in the "Dune" series.