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The Underdark is a fictional setting which has appeared in Dungeons & Dragons role-playing campaigns and Dungeons & Dragons-based fiction books, including the Legend of Drizzt series by R. A. Salvatore. It is described as a vast subterranean network of interconnected caverns and tunnels, stretching beneath entire continents and forming an underworld for surface settings.


  • Use in campaign settings 1
  • Features 2
    • Environment 2.1
    • Araumycos 2.2
    • Inhabitants 2.3
  • Media 3
    • Source books 3.1
    • Game modules 3.2
    • Computer games 3.3
  • See also 4
  • Notes 5
  • References 6
  • Further reading 7
  • External links 8

Use in campaign settings

The Underdark featured prominently in the High Forest between one and three miles under the surface, immune to magic and resistant to psionic energy. Araumycos will sometimes attack intruders with poison, spores, and manifestations that resemble oozes and slimes.[2]

Araumycos houses many other fungal creatures. Travel within it is difficult since many passages and caves are blocked by it and damage regenerates quickly.[2]


The Underdark is home to many predators, races and fantasy monsters, most of which are hostile. These include:

There is no unified underground government since each individual city-state has a different form of rule. The Underdark economy deals primarily in armor, exotic goods, magic, slaves, timber and weapons. The ethical code of many indigenous races tends toward evil or neutral.

In the Forgotten Realms campaign setting, R.A. Salvatore created the fictional drow Underdark city Menzoberranzan.[8]


Source books

  • [3] 

Game modules


Computer games

Part of Baldur's Gate II: Shadows of Amn took place in the Underdark,[9] and Icewind Dale II featured journeys through the Underdark. An expansion pack based on the Underdark setting was released for the Neverwinter Nights game series, titled Neverwinter Nights: Hordes of the Underdark. The tilesets which came with the Hordes of the Underdark expansion pack were used in several persistent worlds, most notably Escape from the Underdark.

See also


  1. ^ This was infravision before the 3rd edition of the game rules.


  1. ^  
  2. ^ a b c d  
  3. ^ a b Baichtal, John (February 26, 2010). Describes a Vast and Perilous Realm"Underdark"D&D’s . Wired. Condé Nast Digital. Retrieved 2010-07-16. 
  4. ^ a b  
  5. ^  
  6. ^ a b Pyramid Review
  7. ^ Lummis, Michael; Pleet, Kathleen; Kern, Edwin; Ricketts, Kurt; Burton, Christopher (2004). Neverwinter Nights: Hordes of the Underdark, Official Strategy Guide. Brady Games.  
  8. ^ Jacob, Merle; Apple, Hope (2000). To be Continued: An Annotated Guide to Sequels. Greenwood Publishing Group. p. 251.  
  9. ^ Cappellini, Matt (November 30, 2000). "Blockbusters Make Christmas Bright".   – via HighBeam Research (subscription required)

Further reading

External links

  • websiteForgotten RealmsInformation at the official
  • Psionic Races and Classes of the Realms
In the


In the Forgotten Realms setting, the Underdark is permeated with a magical energy the drow call faerzress, which is used as a source of energy by the native plant life which interferes with scrying and teleportation spells.

There is no light except for occasional patches of phosphorescent fungus; most Underdark inhabitants either have highly developed senses other than sight or have developed darkvision.[note 1] Food can be extremely difficult to find, and much of the natural vegetation is poisonous. In addition, potable water is hard to locate.

The fictional Underdark's physical characteristics are based upon conditions in real-world caverns deep underground, except at immense size. Within the context of a game, the Underdark is extremely dangerous, especially to non-native characters and creatures. There are the usual dangers associated with caverns: claustrophobia, occasional poor air circulation, and getting lost. Cave floor and ceiling collapses are also a hazard.


The Underdark is "a vast subterranean realm inhabited by drow, mindflayers, aboleth, and other strange, sinister creatures. It is a place where few humans go and from where even fewer return".[4] It extends well past the dungeons made by surface dwellers, encompassing myriad caverns, tunnels and complexes.[6]


The Underdark was also the setting for the expansion pack to the computer game Neverwinter Nights called Hordes of the Underdark, which featured the port city of Lith My'athar, and the mysterious Seer.[7]

. Drizzt Do'Urden R.A. Salvatore's novels about the fictional character [2] A review for

[5].demons campaign setting, in which it was called Khyber and was home to evil beings driven deep into the caverns at the end of the age of Eberron It was also part of the [4].Doug Niles, by Dungeoneer's Survival Guide. The Underdark was described in detail in the 1986 manual G-series and at the end of the [3] in his D-series of game modulesGary Gygax The concept of a dungeon that spanned a planet was first introduced by [2]

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