The Battle of the Pelennor Fields is a significant conflict in J.R.R. Tolkien's epic fantasy, The Lord of the Rings. It takes place outside the city of Minas Tirith, the capital of Gondor, during the War of the Ring. The battle features the forces of Sauron, including Orcs and Haradrim, attacking Gondor to seize control of Middle-earth. The battle is marked by the arrival of the Riders of Rohan, led by Éomer, who come to aid Gondor. Key moments include the confrontation with the Mumakil and the duel between Éowyn and the Witch-king of Angmar, culminating in a decisive victory for the Free Peoples of Middle-earth.