| Category | Depressions | ||
| Continent | Brucrumus | ||
| Region | Grashakh, Imgangreth | ||
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Annbild Pipe is a cavity in the surface that precipitously drops for five miles into the bowels of the Underdark. It ends where it becomes part of the ceiling for a colossal lava tube that serves as a canal for the great lava river Annbild Hrolmir.