Balrogs: Hundreds or Seven? Tolkien's Great Debate | Silmarillion Explained

The Balrog number debate is one of Tolkien scholarship's most enduring puzzles. In his earliest writings from 1917, Balrogs appeared in hundreds -- expendable demon-soldiers riding dragons over the walls of Gondolin. By the 1937 Quenta Silmarillion, their numbers swelled to a thousand. Yet a single late marginal note, likely written after 1958, reduced them to "at most 7." This annotation contradicts every story Tolkien ever told about Balrogs, including the very manuscript it was scribbled beside. The reduction was inseparable from a deeper transformation: Balrogs evolved from manufactured demons into corrupted Maiar -- fallen angels of the same order as Gandalf and Sauron. This ontological upgrade, combined with Tolkien's concept of Morgoth dispersing his power into servants, made large numbers structurally impossible. Christopher Tolkien's editorial solution for the 1977 Silmarillion was deliberate ambiguity: removing specific large numbers without inserting "at most seven." Both versions illuminate Tolkien's evolving understanding of evil -- industrial horror versus individual spiritual ruin.