Gandalf winter, they crossed "under" the mountains through the Mines of Moria, though only Gimli the Dwarf was enthusiastic about that route. In Moria, they discovered that the Dwarf colony established there earlier had been overrun by orcs. The Fellowship fought with the orcs and trolls of Moria and escaped them. At the Bridge of Khazad-dûm, they encountered "Durin's Bane", a fearsome Balrog from ancient times. Gandalf faced the Balrog to enable the others to escape. After a brief exchange of blows, Gandalf broke the bridge beneath the Balrog with his staff. As the Balrog fell, it wrapped its whip around
The Lord of the Rings: The Third Age him. He cuts it out and they attack the Witch-king, driving him off. The party then head to Minas Tirith. They reach the city just after the Mordor army has breached the main gate, with orcs rampaging through the streets. Meanwhile, the Witch-king confronts Gandalf, who is joined by the party in the fight. During the battle, they hear the horns of the Rohirrim, and the Witch-king flees. The party head to the citadel at the top of the city, where they witness the death of the insane Denethor at the hands of Gandalf. They then learn that Aragorn is