Ormu was a common glowing fungus that grew in the Underdark.[1][2]


Ormu favored warm, moist areas such as steam tunnels and steam vents[1] and grew in mossy patches typically around 18 square feet (1.7 square meters) in size, but could grow up to 48 square feet (4.5 square meters).[2] It gave off a soft green glow that provided dim illumination in a five foot (1.5 meter) radius.[1]


Ormu had a powdery surface and drow women sometimes used this powder as eye shadow (typical price, 5 cp per pouch).[2] If harvested and dried, it yielded a phosphorescent powder that could be used to create a glowing pigment.[1][2] This pigment was used in dyes for all types of cloth. It could be made into a paint by mixing it with glow worm juice and was used to make signs and flags that even surface-dwellers could see in the dark (typical price, 6 sp per jar). With special preparation, it could be made into an ink for inscribing scrolls and spellbooks (typical price, 25 gp per one ounce or 30 milliliters).[2]



  1. 1.0 1.1 1.2 1.3 Christopher Perkins, Adam Lee, Richard Whitters (September 1, 2015). Out of the Abyss. Edited by Jeremy Crawford. (Wizards of the Coast), p. 23. ISBN 978-0-7869-6581-6.
  2. 2.0 2.1 2.2 2.3 2.4 Chris Perry (November 1994). “Fungi of the Underdark”. In Kim Mohan ed. Dragon #211 (TSR, Inc.), p. 211.
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