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 end. Some editions combine the entire work into a single volume. "The Lord of the Rings" has since been reprinted numerous times and translated into 38 languages. Tolkien's work has been the subject of extensive analysis of its themes and origins. Although a major work in itself, the story was only the last movement of a larger epic Tolkien had worked on since 1917, in a process he described as "mythopoeia". Influences on this earlier work, and on the story of "The Lord of the Rings", include philology, mythology, religion and the author's distaste for the effects of industrialization,