| Category | Depressions | ||
| Continent | Brucrumus | ||
| Region | Grashakh, Imgangreth | ||
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Annbild Pipe is a cavernous opening in the surface that plummets precipitously for five miles into the depths of the Underdark. It terminates where it merges with the ceiling of an immense lava tube that functions as a channel for the mighty lava river Annbild Hrolmir.