Underdark (sourcebook)

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

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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.

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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

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 • 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 Imaskar (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[]

Buildings & Sites: Adventurers' Guild House • Ammarindar • Brightaxe Hall • Brundag • Citadel of the Fiendish Slayer • Corantllil Workshop • Dark Weavings Bazaar • Darkfire Pillars • Deepingwander • Dhalnadar Span • Dolblunde • Donigarten • Drezz'Lynur • Durgg-Gontag • Fardrimm • Fortress of Gurzz'oth • Fyvrek'Zek • Gduar's Garden • Grotto of Sacred Thoughts • Holy Mother Cauldron • House of Dark Consumption • House of Lightless Truth • House of the Oligarchs • Irean Bridge • Jenn'Yxir • Kazardaern • Kuragolomsh • Lorosfyr • Mantol-Derith • Mezrylornyl • Multum • Nanitaran • Narbondel • Nuur Throth • Oghrann • Ogremoch's Bane • Phaundakulzan • Philock • Pillars of Woe • Plaza of Visions • Qu'ellarz'orl • Raval Spire • Rrinnoroth • Sea Mother Temple • Set Foot • Shadowspan bridge • Shape of Water • Shields' Post • Sorath-Nu-Sum • Spider's Net • Spiderstalkings • Sshurlynder • Temple of Huoxopica • Tethyamar • Tier Breche • Tomb Tapper Tomb • Topsider's Hostel • Trun'Zoyl'Zl • Vaticos • Vault of Conjured Madness • Vrasl • Willow House • Z'orr'bauth • Zorx-ka

Domains: Buried Realms • Darklands • Deep Wastes • Earthroot • Gauth Grottoes • Great Bhaerynden • Northdark • Old Shanatar

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

Regions: 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 • Llurth Dreir • LoobliShar • Maerimydra • Menzoberranzan • Morndivver • Oaxaptupa • Ooltul • Oryndoll • Pholzubbalt • Qintaroth • Reeshov • Rringlor Noroth • Sloopdilmonpolop • Sphur Upra • Sshamath • Suruptik • T'lindhet • Undrek’Thoz • Viksanmaq • Xonox • Xunqaq • Xxiphu • Yathchol

Wilderness: Cavern of Cloven Heads • Cocytus • Dark Dominion • Darklake • Dead Dragon Gorge • Deeprill Gorge • Deepfall • Deepflood • Deepwild • Fingerhome • Giant's Chalice • Glimmersea • Labyrinth • Laduguer's Furrow • Lake of Shadows • Lake of the Long Arm • Lake of Radiant Mists • Nagawater • Netherese Caverns • Pandemonium • Plane of Shadows • Rift of Dhalnadar • River Dhalnadar • Sand Lake • Sharnlands • Throrgar • Traaskl Thorog • Wormwrithings • Zorx

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 • 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

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

Diseases: lungrot • scaleflake • softpox

Equipment: alchemist's mineral acid • blackwater • caveharp • darkoil • darkvision-invisible paint • shriek paste • spelunker's kit • sunrod

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

Plants, Slimes, Molds, Lichen, and Fungi: barrelstalk • bluecap • cave creeper • cave moss • fire fungus • fire lichen • fool's water • luurden • ripplebark • sussur • waterorb • wisp lichen • zurkhwood

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

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

Weapons: dart thruster • flutter blade • nekode • pincer staff • steel fins

Other: Dethek • faerzress • hizagkuur • node magic • portal • Tumulus

Organizations[]

Black Pearl raiding party • Blackened Fist • Bregan D'aerthe • Circle of the Depths • Clan Cairngorm • Clan Fraasz • Clan Hormyeth • Clan Mithralbit • Clan Thaghulmar • Company of Shields • Conclave of Sshamath • Concord of Elders • Daughters of the Shadow Weave • 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 • Lodge of Retributive Masters • Regency Council of Iltkazar • Servants of the Flow • Shadoworb Conclave • Slickers thieves' guild • Unfurling Movement

Appendix[]

Gallery[]

External links[]

Organizations of the Underdark, a free web enhancement by Gwendolyn F.M. Kestrel
Dungeon Masters Guild product page
Underdark Map Gallery

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