In their halls of stone,
Dwarves made their homes by carving into mountains, which allowed them to easily mine the metals below their halls. Unfortunately, excessive digging released this guy:
This balrog, or “demon of might,” of Morgoth wrecked the most powerful dwarven city, Khazad-Dum, where one of these dwarf-lords ruled.
To help improve the meaning of these lyrics, visit “Ring Poem” by J. R. R. Tolkien and leave a comment on the lyrics box