Underdark (sourcebook)

This article is about the sourcebook. For the location, see Underdark. For other uses, see Underdark (disambiguation).

Underdark is an accessory for the Forgotten Realms campaign setting using the 3^rd-edition Dungeons & Dragons^® ruleset.

“

Underdark provides a wealth of highly detailed information about one of the most popular regions in the Forgotten Realms world, the world beneath the ground. Underdark includes details on the most popular Underdark race, the drow, plus 16 other below-ground character races. In addition to 25 new regional feats as well as new prestige classes, spells, monsters, and magic items, there is also background content on 60 cities and sites of interest, including extensive story content gathered from a multitude of Forgotten Realms products and articles.

”

Contents[]

Chapter 1: Races
Chapter 2: Regions and Feats
Chapter 3: Prestige Classes
Chapter 4: Magic and Spells
Chapter 5: Equipment and Magic Items
Chapter 6: Monsters
Chapter 7: Exploring the Underdark
Chapter 8: Geography
Chapter 9: Adventures

Description[]

Underdark introduced new classes, spells, monsters and also provided extensive lore on the geography of the Underdark.

Index[]

Click here for page index

Characters[]

Ahxalli • Albur Willowywalk • Antatlab of the Shaking Stones • Anthan Diamondblade • Apsal Aspa • Araumycos • Aulagol • Barytes • Belden Oftenhand • Berna Emberstoker • Bresk Stoneshoulder • Byrtyn Fey • Cephalopolop • Cephalossk • Chalice Appleton • Charvekannathor • Chaschara • Chemcol Stoneshoulder • Churt Trapsetter • Cleotraw • Cragnortherma • Cressen Hormyeth • Cruanyl Corpsewrapper • Dar-Gar-Uus Om • Dawn of the Lightless Sun • Daurgothoth • Dheubpurcwenpyl • Diinakvil Rylafyrn • Dodkong • Dorna Riftsong • Driklret • Drukkul • Dunn-Durgg • Durloo Glossop • Dryleh Bluerslol • Durna Thuldark • Dyrr the Lichdrow • Ebrul Naramixna • Elern Riftsong • Encephalithid • Espera • Featherwright Mlowen • Felyndiira T'orgh • Fenyl Arnskull • Frethen Harmswa • Fruyshuk • Furyma Selovan • Garn Hammerblows • Gduar • Gohzet • Gourshnaxt • Grenel Throatbiter • Grishnurok • Gromi Arnskull • Gromph Baenre • Gryxt • Guldor Zauviir • Hanovan Urburwick • Hamezaar • Hans Greenbanks • Harammamyl H'tithet • Hargun Anvilbreaker • Harpharp • Harthel Vras • Haznyn Tellen'hez • Heltipyre • Hgraan • Horgar Steelshadow II • Horgar Steelshadow IV • Huitzolputl • Hurnoj Rikrekts • Illiboolop • Illis Khendarhine • Ilphemon • Inpri Day Xenogy • Irae T'sarran • Irixis the Sorceror • Ithrylda Phaundal • Jarlaxle • Jazmyndeera Brundag • Jesthflett Trun'zoyl'zl • Jevuar Wellstand • Joshiah Stonefriend • Jubal Thetisjemja • Juxxel the Shallow • Kaanyr Vhok • Kassawar Plickenstint • Keeper of Thaal • Kerl Ooil • Koenig Serpentspine • Korrelin Zeveschek • Krashos Morueme • Krellum Three-Arms • Krondorl Waeglossz • Kronnak Eyebiter • Kurgoth Hellspawn • Kursh Brokenhorn • Laral Kroul • Lirrup Biltender • Loxxa Jenner'Yxir • Luors'Nallig • Lurawen Bladelicker • Lurufr Groan • Malaggar Xarann • Malla Harl Valsharess • Masoj Dhuunyl • Maumogga • Meln • Menzoberra the Kinless • Mernen Halfred • Mez'Barris Armgo • Mith Barak • Mithbarakaz • Miz'ri Mizzrym • Morndin Gloomstorm • Murkolk Szolt • Mynthir Mithralbit • Nelwen Undercutter • Nemuel Fadinglight • Nurissa Vyllshan • Nurr'Korzahg • • Nurymm ZekNym Mlezzir • Obar Ghalmrin • Ogremoch's Bane • Ooorooee • Oorg-Pool-goop Gibupgagool • Oorg-Pool-goop Viboolkugoorg • Ornolyg • Oryssta Sshurlynder • Phindounma the Abominable • Pliil Seachild • Poaxala • Prellyn Teh'Kinrellz • Prid'eesoth Tuin • Pruet • Purulk • Qed Weakeater • Quemm Mezryl • Quevven Jusztiirn • Quor Silkstriker • Rilathdool • Roaswen Webwaiter • Rootstalk • Rumin • Rurik Silverhilt • Ruvan Stoneshoulder • Ruvok Aerthmett • Saibh yi Saelmur • Scalmarel the Sage • Scorlachash • Seldig • Seldszar Elpragh • Shepsurletts • Shelwen Darkenweb • Shurdriira Helviiryn • Siltchurn • Slowoopil • Sobja Verminwise • Sochsna • Sorni Arnskull • Speleosa Turska Underwalk • Ss'lesh • Sturvis Riftsong • Tarngardt Steelshadow • Thadrack • Thalynsar • Tharcereli • Thauglorimorgorus • Themberchaud • Tluipacal • Toom Vari Vul • Torth Blackensteel • Triel Baenre • Tsabrak of the Blood • Tsurlanej • Ulfgang Swordmaker • Umbra • Uphrezza • Urdol-obna • Urlryn Khalazza • Ursummnogh the Unkillable • Va-Pool-gol Dagagoorg • Vadalma Tlabbar • Varr'ga Zek • Villezzenet Magry'Tzornyl • Vokkrzyr Rualfren • Vr'tark • Vrona Ironledger • Vrushnom • Werrik Bonehand • Whisperwretch • Worvinul • Wronsa • Xenix the Occluded • Xothed Trizz'Lorllin • Ygnaroth the Necroseer • Yyssisiryl H'tithet • Zeerith Q'Xorlarrin • Zesstra Aleanrahel • Zlurpunvt • Zommist • Zoratha Drezz

Creatures[]

aboleth • air elemental • air mephit • all-consuming hunger • annihilator • arachnoid creature • avolakia • azer • baphitaur • beholder • chameleon creature • chitine • clay golem • cloaker • deep Imaskari (race) • deepspawn • derro • desmodus • destrachan • devious gloura • drow • duergar • dust mephit • dwarf • earth elemental • earth glider • earth mephit • elder brain • faerzress-infused creature • fire elemental • fire mephit • fire salamander • fomorian • giant cockroach • giant maggot • gloaming • gloura • goblin • grell • grimlock • half-illithid • half-orc • hook horror • illithid • illithilich • ineffable horror • kuo-toa • kuo-toa leviathan • lich • lith • lurker • magma mephit • maur • mineral warrior • minotaur • mummy • ooze mephit • orc • orog • phaerlock • portal drake • psurlon • quaggoth • rothé • salt mephit • shambling mound • slyth • steam mephit • stone flyer • stone giant • svirfneblin • tanarukk • thoqqua • tomb tapper • troglodyte • troll • umber hulk • vampire • water elemental • wererat • wraith

Locations[]

Bodies of Water

Deepfall • Deepflood

Lakes: Akanamere • Darklake • Giant's Chalice • Lake Donigarten • Lake of the Long Arm • Lake of Radiant Mists • Lake of Shadows • Lake of Steam • Lake Thaylambar • Moonsea (lake) • Nagawater • Sand Lake
Rivers: Delimbiyr River • Goblintide River • River Adder • River Chionthar • River Dhalnadar
Seas: Dragon Reach • Easting Reach • Glimmersea • Great Sea • Sea of Fallen Stars • Shining Sea

Bridges

Dhalnadar Span • Irean Bridge • Shadowspan bridge

Buildings

Businesses: Corantllil Workshop
Fortresses: Brightaxe Hall • Citadel of the Fiendish Slayer • Fortress of Gurzz'oth • House of the Oligarchs • Ironfang Keep • Shape of Water • Shields' Post
Guildhalls: Adventurers' Guild House
Inns: Set Foot • Topsider's Hostel
Residences: Willow House • Zorx-ka
Ruins: Hellgate Keep • House of Dark Consumption • Raval Spire • Vaticos • Vault of Conjured Madness
Schools: Tier Breche
Shrines: Holy Mother Cauldron
Taverns: Spider's Net
Temples: Grotto of Sacred Thoughts • House of Lightless Truth • Sea Mother Temple • Temple of Huoxopica • Temple of the Sea Mother

Caverns

Cavern of Cloven Heads • Dark Dominion • Darkfire Pillars • Deepingwander • Fardrimm • Fingerhome • Gduar's Garden • Kazardaern • Labyrinth • Lorosfyr • Netherese Caverns • Nuur Throth • Pillars of Woe • Sharnlands • Traaskl Thorog • Wormwrithings

Chasms & Rifts

Dead Dragon Gorge • Deeprill Gorge • Laduguer's Furrow • Rift of Dhalnadar • Throrgar

City Districts

Brundag • Donigarten • Drezz'Lynur • Fyvrek'Zek • Jenn'Yxir • Mezrylornyl • Nanitaran • Phaundakulzan • Qu'ellarz'orl • Sshurlynder • Trun'Zoyl'Zl • Vrasl

Deserts

Raurin

Domains

Darklands • Deep Wastes • Earthroot • Gauth Grottoes • Great Bhaerynden • Northdark • Oghrann • Old Shanatar • Tethyamar

Forests

Far Forest • High Forest • Kryptgarden Forest • Moonwood

Landmarks

Dark Weavings Bazaar • Durgg-Gontag • Narbondel • Plaza of Visions • Sharnwall • Spiderstalkings • Z'orr'bauth • Zorx

Mountains

Alimir Mountains • Aphrunn Mountains • Cloud Peaks • Cloven Mountains • Desertsmouth Mountains • Earthspur Mountains • Far Hills • Frost Hills • Greypeak Mountains • Icerim Mountains • Giant's Run Mountains • Gnollwatch Mountains • Haptooth Hill • Marching Mountains • Mountains of Copper • Nether Mountains • Omlarandin Mountains • Orsraun Mountains • Rauvin Mountains • Serpent Hills • Small Teeth • Snowflake Mountains • Sunrise Mountains • Sword Mountains • Thaymount • Thesk Mountains • Toadsquat Mountains

Planes

Baator • Cocytus • Elemental Plane of Air • Elemental Plane of Earth • Elemental Plane of Fire • Elemental Plane of Water • Pandemonium • Plane of Shadows • Tomb Tapper Tomb

Realms

Barakuir • Deep Shanatar • Imaskar • Drakkalor • Great Rift • Holorarar • Iltkazar • Korolnor • Nedeheim • Oaxaptupa • Oghrann • Sondarr • Torglor • Ultoksamrin • Xothaerin • Xun'Qoroth

Regions

Surface: Anauroch • Dalelands (Shadowdale) • Dragon Coast • Endless Wastes • Maztica • Moonsea • Silver Marches • Sword Coast • Sword Coast North • Tortured Lands • Unapproachable East • Vilhon Reach
Underdark: Buried Realms • Deepwild • Lowerdark • Middledark • Upperdark

Settlements

Aixlintar • Araulurrin • Blessed Seahaven • Blingdenstone • Brikklext • Cairnheim • Ch'Chitl • Chaulssin • Ched Nasad • Cloakerhaven • Dambrath • Deep Imaskar • Deepburrow • Drik Hargunen • Dunspeirrin • Dupapn • Earth's End • Eryndlyn • Everlasting Kingdom of Stommheim • Fluvenilstra • Fraaszummdin • Gatchorof • Ginsunlix • Gracklstugh • Guallidurth • Kuragolomsh • Llurth Dreir • LoobliShar • Maerimydra • Mantol-Derith • Menzoberranzan • Morndivver • Oaxaptupa • Ooltul • Oryndoll • Pholzubbalt • Qintaroth • Reeshov • Rringlor Noroth • Sloopdilmonpolop • Sphur Upra • Sshamath • Suruptik • T'lindhet • Undrek’Thoz • Viksanmaq • Xonox • Xunqaq • Xxiphu • Yathchol

Surface Settlements: Evereska • Ravens Bluff • Skuld • Waterdeep
Ruined: Ammarindar • Ascalhorn • Ascore • Dolblunde • Multum • Philock • Rrinnoroth • Sorath-Nu-Sum

Valleys: Chionthar Valley • Delimbiyr Vale • Surbrin Valley

Magic[]

Armor: cortical armor • death armor • exoarmor
Armor Special Abilities: drowcraft • halfweight • illithidwrought • malleable • xorn movement
Artifacts: Third Imaskarcana • Underdark Map, Greater
Magic Weapon Abilities: blindsighted • bloodthirsty • drowcraft • finder • illithidwrought • metalline • morphing • sizing • stalactite • tentacle
Minor Artifacts: book of perfect balance • portal demolisher • talisman of pure neutrality • tome of books • Underdark map, lesser • universal key
Rings: enslavement rings • ring of antivenom • ring of antivenom, frugal • ring of detect thoughts
Rods: dowsing rod • portal finder rod • rod of the dead • rod of faerzress negation • rod of webspinning
Spells: amorphous form • blindsight • burrow • camouflage • changestones • clarity of mind • contagious fog • deeper darkvision • dehydrate • dimensional anchor • drown • eradicate earth • excavate • greater stone metamorphosis • greater stone shape • hail of stone • locate node • mark of the outcast • mass burrow • mass darkvision • mass drown • mass reflective disguise • mass sanctuary • mineralize warrior • node door • node genesis • node lock • portal barricade • portal barricade • portal-to-portal redirect • portal stabilization • portal view • reflective disguise • rushing waters • spiderskin • stick • stone metamorphosis • stone sphere • tremorsense • tunnel swallow • undermaster • viscid glob • wall of greater dispel magic • weighed in the balance • word of balance
Staffs: spider staff • staff of portals • staff of shadow, greater • staff of shadow, lesser • staff of stone • staff of the Underdark • staff of the watery grave
Weapons: drow mission blade • everchanging blade • final rest longsword • hand spinneret • nature's wrath club • queen's scourge • spiderbane chain • trespasser greatsword
Wondrous Magic items: antimagic torc • boots of tremorsense • braincap • cephalometer • cloak of stone • crown of Obadai • daylight pellet • driftdisk • figurines of illusory escort • figurine of wondrous power: jasper spider • figurine of wondrous power: sardonyx spider • gauntlet of disintegration • glove of venom • gloves of burrowing • Gorothir's girdle • headband of idiocy • king's knife • lenses of clarity • lurker cloak • mantle of energy resistance • messenger medallion • rope of climbing, superior • spider mask • starver • sun flash pellet • tentacle extension • uskura • web choker
Others: faerzress • • node magic • portal

Organizations[]

Clans: Clan Cairngorm • Clan Fraasz • Clan Hormyeth • Clan Mithralbit • Clan Thaghulmar
Criminal Organizations: Slickers thieves' guild
Drow Houses: House Agrach Dyrr • House Barrison Del'Armgo • House DeVir • House Baerne • House Brundag • House Do'Urden • House Drezz'Lynur • House Faen Tlabbar • House Fey-Branche • House Fyvrek'Zek • House Jenn'Yxir • House Mezrylornyl • House Mizzrym • House Nanitarin • House Nasadra • House Oblodra • House Phaundal • House S'sril • House Sshurlynder • House Teh'Kinrellz • House Trun'zoyl'zl • House Tuein'Tarl • House Vrasl • House Xorlarrin
Mercenary Organizations: Bregan D'aerthe
Military Organizations: Black Pearl raiding party • Company of Shields • Servants of the Flow
Political Organizations: Circle of the Depths • Conclave of Sshamath • Concord of Elders • Regency Council of Iltkazar • Unfurling Movement
Religious Organizations: Blackened Fist • Daughters of the Shadow Weave • Servants of Laduguer • Shadoworb Conclave
Secret Societies: Lodge of Retributive Masters

Miscellaneous[]

Armors

armor razors • buoyancy armor • camouflage armor • chitine web armor • feeler plate armor • heavy plate armor • muffling armor • nightscale armor • spidersilk armor • stability weights • stonemail • tentacled hide armor

Art & Literature

scrimshaw • tattoo

Conditions

lungrot • mummy rot • scaleflake • softpox

Fields of Study

archeology • architecture • engineering

Items

caveharp • chain • hinge • incense • pouch (spell component pouch) • spelunker's kit • sunrod • tent • Tumulus • vial

Illithid Grafts: brainmate • extracting tentacle • grabbing tentacle • humanoid skin

Languages

Dwarven (Dethek)

Materials

adamantine • bronze • geode • hizagkuur • obsidian

Rock Formations: cave pearl • clear black rock • crumblestone • crysstone • crystal flower • darkstone • photogenerative rock • photostatic rock • quickstone • rock gourd • sickstone • slickstone

Substances

alchemist's mineral acid • blackwater • darkoil • darkvision-invisible paint • sand • shriek paste

Poisons: cave terror • drow knockout poison • sickstone unguent • stun gas • virile madness

Vegetation: barrelstalk • bluecap • cave creeper • cave moss • fire fungus • fire lichen • fool's water • luurden • ripplebark • sussur • waterorb • wisp lichen • zurkhwood
Weapons: dart thruster • flutter blade • nekode • pincer staff • spiked chain • steel fins

Credits[]

Designers: Bruce R. Cordell, Gwendolyn F.M. Kestrel, Jeff Quick
Additional Design and Development: Richard Baker
Editor: Penny Williams
Managing Editor: Bill McQuillan
Design Manager: Ed Stark, Christopher Perkins
Director of RPG R&D: Bill Slavicsek
Vice President, Publishing: Mary Kirchoff
Art Director: Robert Raper
Cover Illustration: Sam Wood
Interior Illustrations: Kalman Andrasofszky, Matt Cavotta, Mike Dubisch, Wayne England, Matt Faulkner, Vance Kovacs, Vince Locke, Raven Mimura, Jim Pavelec, Vinod Rams, Richard Sardinha, Stephen Tappin, Joel Thomas.
Graphic Design: Robert Raper, Robert Campbell
Project Manager: Martin Durham
Production Manager: Chas Delong
Typesetters: Angelika Lokotz
Cartographers: Robert Lazzaretti

Appendix[]

Gallery[]

External links[]

Underdark Art Gallery. Wizards of the Coast. Archived from the original on 2015-10-03. Retrieved on 2020-04-23.
Underdark Map Gallery. Wizards of the Coast. (2003-10-19). Archived from the original on 2015-10-02. Retrieved on 2021-10-21.
Gwendolyn F.M. Kestrel (2003-10-04). Organizations of the Underdark (Zipped PDF). Web Enhancement for Underdark. Wizards of the Coast. Archived from the original on 2016-11-01. Retrieved on 2018-09-11.
Excerpts: Underdark (HTML). Excerpts Archive. Wizards of the Coast. (2003-10-03). Archived from the original on 2016-11-01. Retrieved on 2021-10-24.

Connections[]

Forgotten Realms Sourcebooks

3^rd edition and v.3.5

Champions of Ruin • Champions of Valor • City of Splendors: Waterdeep • Dragons of Faerûn • Faiths and Pantheons • Forgotten Realms Campaign Setting • The Grand History of the Realms • Lords of Darkness • Lost Empires of Faerûn • Magic of Faerûn • Monsters of Faerûn • Mysteries of the Moonsea • Player's Guide to Faerûn • Power of Faerûn • Races of Faerûn • Serpent Kingdoms • Shining South • Silver Marches • Unapproachable East • Underdark
Adventures
Anauroch: The Empire of Shade • City of the Spider Queen • Cormyr: The Tearing of the Weave • Into the Dragon's Lair • Pool of Radiance: Attack on Myth Drannor • Shadowdale: The Scouring of the Land • Sons of Gruumsh • The Twilight Tomb