The Lord of the Rings: Aragorn's Quest Mountains is to go under them, via the dwarven mines of Moria. Upon entering Moria, Gimli is devastated to learn rumors regarding Balin and the dwarves are true; they have been wiped out by orcs. The fellowship fight their way to the Chamber of Mazarbul, where they find the tomb of Balin, and a record of how the mines were lost. Fighting their way through a hoard of orcs and trolls, they are attacked by a Balrog. They flee, reaching the Bridge of Khazad-dûm, where Gandalf defeats the Balrog by destroying the bridge as it stands on it. However, as
The Lord of the Rings: War in the North However, Sauron hid from Gandalf, waiting for four hundred years before returning. Around the same time, the One Ring was found by a Hobbit named Sméagol, who became utterly corrupted by it, living in the caves of the Misty Mountains, and physically transforming into a creature known as Gollum. For five hundred years, Gollum was consumed and corrupted by the Ring. Eventually, Gandalf was able to determine the evil presence in Dol Guldur was indeed Sauron. Gandalf reported back to the White Council, but Saruman dissuaded them from moving against Sauron. Only when he learned the One Ring may be