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Phycomids (pronounced: /ˈpkmɪdPY-ko-mid[5]) were a type of subterranean fungus creature that could be dangerous to adventurers.[3]


Phycomids resembled white, fibrous blobs of decomposing matter with capped fungi growing out of them.[3][4]


Within several clusters of a phycomid's body were sensory organs that detected heat, sound, and vibrations.[3][4]


When attacking prey, phycomids discharged a highly alkaline substance in small globules from a tube-like appendage. This substance could potentially infect the targeted creatures, causing them to sprout mushroom-like growths that gradually spread throughout their body.[3][4]


In the mid-14th century DR, several yak caravans and their drivers were found dead in Ra-Khati due to phycomids.[6]



Beyond Toril, phycomids could be found within the Underdark of the planet Krynn.[7]

In the Abyss, they could be found in Shedaklah, the Slime Pits, 222nd layer of the Abyss.[8]


Phycomids were one of many types of fungi that hook horrors were known to feast upon.[9]

Some drow were known to install phycomids in locations to act as traps.[10]



Black Courser


  1. James Jacobs (November 2005). “The Demonomicon of Iggwilv: Zuggtmoy: Queen of Fungi”. In Erik Mona ed. Dragon #337 (Paizo Publishing, LLC), pp. 50–51.
  2. David "Zeb" Cook, et al. (1989). Monstrous Compendium Volume Two. (TSR, Inc). ISBN 0-8803-8753-X.
  3. 3.0 3.1 3.2 3.3 3.4 3.5 3.6 Doug Stewart (June 1993). Monstrous Manual. (TSR, Inc), pp. 120–121. ISBN 1-5607-6619-0.
  4. 4.0 4.1 4.2 4.3 Gary Gygax (August 1983). Monster Manual II 1st edition. (TSR, Inc), p. 101. ISBN 0-88038-031-4.
  5. Frank Mentzer (January 1985). “Ay pronunseeAYshun gyd”. In Kim Mohan ed. Dragon #93 (TSR, Inc.), p. 28.
  6. Troy Denning (August 1990). Black Courser. (TSR, Inc.), pp. 30, 34. ISBN 0880388587.
  7. Rick Swan et al. (1990). Monstrous Compendium Dragonlance Appendix. Edited by Mike Breault. (TSR, Inc.), p. 93. ISBN 0-88038-822-6.
  8. Wolfgang Baur and Lester Smith (1994-07-01). “The Book of Chaos”. In Michele Carter ed. Planes of Chaos (TSR, Inc), p. 22. ISBN 1560768746.
  9. Michael Persinger (March 1988). “The Ecology of the Hook Horror”. In Roger E. Moore ed. Dragon #131 (TSR, Inc.), pp. 42–46.
  10. Ed Greenwood (July 1991). The Drow of the Underdark. (TSR, Inc), pp. 5–6. ISBN 1-56076-132-6.