The Cult of the Eye was the religion dedicated to the worship of Sauron as a deific figure. It was the primary religion of the Mordorians.The cults main agents were it's sorcerer-priests who acted as a dark clergy and controlled the local client-kings and tyrants of Sauron's empire.The High-priest of the cult was the Steward of Barad-dûr, known as the Mouth of Sauron, second in hierarchy was the Lieutenant of Morgûl .