Features Archive | 11/9/2012
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Weird Fungi of the Underdark
Appendix d12
By Jason Sholtis

With the Rise of the Underdark campaign underway, this year has seen its share of drow incursions against the surface world—playing out right now in both the current D&D Encounters season and D&D Lair Assault. Add the recent release of Menzoberranzan: City of Intrigue, and it’s highly possible that your campaign could be venturing into the Underdark.

To help DMs add further detail to their adventures underground, Jason Sholtis (of The Dungeon Dozen) has provided the following tables—in the spirit of the 1st Edition DMG’s appendices, charts, and random encounters!

Weird Fungi of the Underdark

There's more to mysterious fungi than myconids and shriekers. What other varieties might exist in the subterranean depths of the Underdark?


  1. Flute fungi: elongated stalks emit haunting, discordant piping when approached.

  2. Levitating toadstools (giant): gravity-defying ichor in external sacks (temporarily retains properties if harvested); seek new feeding grounds as needed, often traveling in packs.

  3. Infectious fungi, dwarf-eating: also known as “armor rot,” like full-body athlete’s foot infestation, maddeningly uncomfortable, attacks dwarves exclusively.

  4. Incendiary spores: extremely flammable chemical agent in rock fungus spore cloud, difficult to collect without secret air-sieve techniques mastered by kobolds.

  5. Dancing fungi: slender mushrooms react to sound by rhythmic swaying.

  6. Broad-caps: release brightly luminous spore cloud when disturbed.

  7. Rocket fungi: build up explosive charge to complete life cycle on cavern ceilings.

  8. Giant rolling puffballs: harmless migrants of the fungus world.

  9. Mortar fungi: sticky growths used for Underdark building projects.

  10. Pit colony: fungus adapted to fill deep pits, digest anything that falls in.

  11. Weeping mushrooms: pitiful-looking specimens, emit pathetic sobbing and wailing if approached.

  12. Radiant-heat fungi: metabolism runs super-hot, blinding to creatures with heat-sensitive vision.

About the Author

Jason Sholtis serves humanity by day as a humble social services worker but keeps evenings free for self-indulgences such as writing, drawing and playing in rock bands. D&D occupies a special place in his heart. His semi-daily blog The Dungeon Dozen focuses exclusively on random tables for the twelve-sided die.

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