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Waterdeep: Dungeon of the Mad Mage is a 5th-edition Dungeons & Dragons adventure that takes place in the dungeon of Undermountain, located under Waterdeep. It follows the Waterdeep: Dragon Heist adventure through levels 6‒20.

BlurbEdit

The Greatest Dungeon of Them All

Explore the mega-dungeon of Undermountain in this adventure for the world's greatest roleplaying game.

In the city of Waterdeep rests a tavern called the Yawning Portal, named after the gaping pit in its common room. At the bottom of this crumbling shaft is a labyrinthine dungeon shunned by all but the most daring adventurers. Known as Undermountain, this dungeon is the domain of the mad wizard Halaster Blackcloak. Long has the Mad Mage dwelt in these forlorn depths, seeding his lair with monsters, traps, and mysteries—to what end is a constant source of speculation and concern.

This adventure picks up where Waterdeep: Dragon Heist leaves off, taking characters of 5th level or higher all the way to 20th level should they explore the entirety of Halaster's home. Twenty-three levels of Undermountain are detailed herein, along with the subterranean refuge of Skullport. Treasures and secrets abound, but tread with care!

IndexEdit

Page Index

CharactersEdit

Aasathra RaghthroknaarAbberochAgorra DuskaxeAhpokAkarrth ShadowduskAkith XornbaneAkoraAl'chaiaAlgarr GrimtideAltonrelAlussiarrAlybbrinAnchok MuzgardtAnderian DuskAngelicaArachnafein ZaphrorzzaArbezArcturiaArdulaceArtor MorlinAruutArrethArykAryxAshranthaxAstyrranthorAwmokAximusAzalAzgraAzrokBalrynBalwiiraBarthoBelethBeloraBeranica FrethBerlain ShadowduskBlazutrancBlorkBokk-NokkinBolgusBosskyn GorrbBrakkaBralithBranta MyntionBrekBrokBronaBryrthiaBulbormBulkarCal'al CladdaniCaldra CuttlefingersCalliaCaradocCassiok ShadowduskCazimirCephalosskChabbrisChanterellaCharinindiaChasmasChaszantarCopper StormforgeCoral BlackCrissann(Displacer beast)Crissann(human)DaarshDanafayDarribeth MeltimerDarum GhazDaundarak SteelfistDelvin StormshoreDerrion ShadowduskDeslarrDevianaDezmyr ShadowduskDhessrilDirzanna FrethDoomcrownDralkanaDran'l KenafinDribblespitDrinrith AuvryndarDrivvin FrethDroon StonedarkDruvaxDuldor DulorrnDumaraDuram GhazDurnanDurundraEilthymmarElan Tanor'thalElendarEllix GasparElthimarElvilac ZmirthEmberosaErelal FrethEreldra AbbathEshantEsvele RosznarEvilfingerEvirExcruthaExekarusExtremitonEzraEzriaEzvirEzzatEzzat's Staff of frostFalain TlandrueFalthraFarrilFazrianFeldarFelraxFidelioFishbone JimFlootFornFlyndol GreethFralFrebFrekFumiraGarlynth IronheadGastonGeldax BreerGelgos ArgonraeGharz StonedarkGhirith NhilranGhorsoGlomGlorzGlysterGorka TharnGorthax AuvryndarGorzilGorzogGravillokGrazthraeGreechGreorxGrimdorGuffaw GravelstockGurgle BrineGyuddGz'zarpHaddon FleetfootHalaster BlackcloakHalastreeHalastronHalleth GarkeHarria ValashtarHatchrin Alet'tazHaungharasskHax"Headmaster"HectorHelgrzHelion MoonstarHelxrynHenkHexab Do'ettHexacaliHlonlokHloolHongHrazninHrokHrosskHuggybugHulziinHwahlIchthyglugIktarve UnsuttirIlanlue FrethIlmeiIlnor TelennaIlsubanInfernexusIngrittIpsesIr'rigoIshan ToruIymn VrindolinIzzatlabIzzorvirJalester SilvermaneJagtar UythrappJarana HammerstoneJarazkJarkorlJarrkJarûkJerathJevan Kron'tayneJhesiyra KestellharpJianJibber-JabberJoroth BrighthelmKaaltavKalabashKalanszarKalrogKarstisKastzanedesKavalraKavil MereshanterKazvarkKelimKeresta DelvingstoneKereth IchorzzaKevin GladriverKhafraKinrobKlangKliyuse the Skull CleaverKlom XornbaneKol'daanKorlaKorva ShadowduskKozrikKravosKreenaKritinayaKrivvenKr'risonKrodKrod(number two)Krung-JungKrystaleenKukethKumarKurlogK'yordredK'yorl Tanor'thalLamentLanderLerkLianaLiddie "Slurtongue" PeddlekantLlauzdrarLlaxdorl FrethLlezorna Do'ettLlorelve DalambraLorgaLorlynn ZmirthLlossulLulz KlangphornLurkanaLurrashMaddgothMakuMaleen ShadowduskMalgornMarambra NyghtsteelMarnaMarquoxMarta MoonshadowMelissara ShadowduskMelith AuvryndarMeridin HelviraeMerrily ShadowstepMeteoranzymMhavraMidna TauberthMiguelMircolar Do'ettMirrkMirtMizreen AbbathMobarMolkothMoltar Barrek'zornMornhyld CrystalmantleMraginarMranhaimMruuzdainMuathaMuiralMuzdrokNadia the UnbentNaldathNalkaraNarizmar Do'ettNarlithNarlosNathNephraenNerozarNesterNetherskullNezzaN'gathrodNhilisstra ArgonraeNightshadeNimraithNishaNoolgaloopNorlNuraNylas JowdNyleene AuvryndarNystalancerObaya UdayObsidiaOleanderOlive StillwaterOlivia TallrushOlorgylOrl TelennaOrnOttoOznurPellanonia AuvryndarPeeta BrightmoonPhilomena GladriverPortia DzuthPraxPreeta KreepaProfessor BingProxnaPulkQuaveQuilolvirQuietudeQurrokRaajnaRabbitheadRaelpharRamdraxRanaghax AuvryndarRaxxusRestrynRex the HammerRezzRhamagantRhodosRhylzarRilna FrethRishindarRizrynRizzerylRojkarn IronheadRokRoseRoxindaRross HylarnRukhaRyldRyldgarRylzztSabatene XilzzrinSabatrin FrethSalamanthSalarrlSalt NoseSavirSaziqScintilmornSelphorn AmcathraSerakathSerenadeShanzoShardon UnderboughSharaunShindreer ArgonraeShunn ShurrethShynzal Tlin'orzzaSkella IroneyeSkrac BlackskullSkrianna ShadowduskSmoakcantSorkaSornnozzSpeleosaSpeleosa(Duergar)Spirreth DalambraSpite HarrowdaleStalagma SteelshadowStormal VossSundethSunmervaSurlockSvillaSybileeSylkress AuvryndarSylvia FeatherstoneSyrrak ArgonraeSzorthTalabsyn FrethTalafaereTanimar FrethTarnvurTarzyrTasselgryn VelldarnTazirahc OussarTearulaiTebran MadannithTel'zactTendra NightbladeTezca-ZyanyaThaglar XundornThe AlchemistTheruThirza HelviirynThorvin TwinbeardThreestringsThubid DuskaxeThumrokThwad UnderbrewT'mekTobbleTorbitTorfianaTorgaTor GrayfellTra'zorrlTrenziaT'rissa AuvryndarT'rizzlinTrobriandTsabalinTsabdrar Do'ettTurbulenceUbrixUktarl KrannocUkzorraUmyatinUlgrethUlquessUlraelleUlvir Barek'zornUlvira SnowveinsUrlimarUrlonUrmUzalynUzwurnValdemarValtagar SteelshadowVanalfeinVanar FrethVaraunVarrn TelennaVenasorrnVentrid Xil'talanVertrand ShadowduskVesdarVhesaViolenceVlaadricVlissVlonwelv AuvryndarVolothamp GeddarmVondVorljas Imphiz'zalVrebbeth Imphiz'zalWardaWillWormriddleWullukWylynd MoonstarXandevalXaptal FrethXarann A'DaragonXarta MuzgardtXebekalXebrekXebylXelba ShunlightXindulusXirk Dezpeti'ilXlorpXortaXyrxian VandreeYangolYarekYargoth the BreakerYaroxYarshossYaveklarYaverosYazdriirnYekYeluitYerethYgarra UrmbaaltYoastalYriltonYrlakkaYrrlcheb BeltorzzaYrrprekYuinfeinYuriYzigZagraZail EphramZakthZaldoZalthar ShadowduskZarn KassifaxZelayaZelzzarfZilitsa IlvarrenZ'reskaZress Orlezziir"Zartem"ZaztorrlZelkZobZolcharrxZorak LightdrinkerZundra Underdottir
Referenced only
AbbathorAcamarAhghaironAlathene MoonstarAndvarran MoonstarArandraya ShadowduskAurilBahamutBaphometBerronar TruesilverBulba-SloppClangeddin SilverbeardDalagorDeep DuerraDendarDumathoinEilistraeeFalkir GravelfistGarrythGhaunadaurGithGorm GulthynHarlsnod DarkshineHorgar Steelshadow VJim DarkmagicJuiblexKiaransaleeKlaabuKressando RosznarKrickenhofLaduguerLaeral SilverhandLathanderLolthMaelweene ShadowduskMaglubiyetMalarMalykManshoonMaramba NyghtsteelMargaraste ShadowduskMarthammor DuinMelairMoradinMystraNimoarOghmaProfessor FigmentRantantarSelûneSelvetarmSharSkoraeus StonebonesSsethSyglaeth AudarkTanor'thal RefugeTharmekhûlThimblewineThrymTiamatTorhild FlametongueTormTyrUrgala MeltimerVanrak MoonstarVergadainVhaeraunVlaakithWakanga O'tamuWaukeenXerrion ShadowduskYarlithra ShadowduskZinzerenaZox ClammershamXanatharYinark

CreaturesEdit

AarakocraAbolethAbominable yetiAir elementalAnkhegArbalestArcanalothArchmageAssassinAwakened shrubAwakened treeAzerBanditBandit captainBansheeBarbed devilBarlguraBasiliskBatBehirBeholderBeholder zombieBeserkerBlack bearBlack puddingBlue dragonBlue slaadBoarBone devilBone nagaBrass dragonBronze dragonBrown bearBugbearBuletteBullywugButterflyCarrion crawlerCaterpillarCave bearCentipedeChampionChasmeChimeraChuulClay golemCloakerCommonerConstrictor snakeCouatlCricketCrystal golemCult fanaticCultistDaoDarkmantleDeath dogDeath knightDeath slaadDeath tyrantDeep gnomeDemilichDevaDisplacer beastDoppelgangerDracolichDragonbornDriderDrowDrow elite warriorDrow mageDrow Priestess of LolthDuergarDwarfEfreetiElfElkEmpyreanEttercapEttinFire elementalFire giantFlameskullFlesh golemFlumphFlying swordFomorianFrogGargoyleGas sporeGelatinous cubeGhastGhostGhoulGiant badgerGiant batGiant centipedeGiant crabGiant fire beetleGiant frogGiant lizardGiant poisonous snakeGiant ratGiant spiderGiant toadGiant waspGibbering moutherGithyanki gishGithyanki warriorGithzerai zerthGlabrezuGoatGoblinGoblin bossGold dragonGorgonGray oozeGray slaadGreen dragonGreen slaadGrellGrickGrick alphaGrimlockHalf-elfHalf-ogreHalf-orcHell houndHelmed horrorHezrouHobgoblinHobgoblin captainHobgoblin warlordHomunculusHook horrorHumanHydraIce devilIncubiIntellect devourerInvisible stalkerIron golemKenkuKoboldKuo-toaKuo-toa archpriestKuo-whipLava childLichLiving unseen servantLizardLizardfolkMageMagma mephitManticoreMaridMarilithMedusaMerfolkMezzolothMiniature giant space hamsterMind flayerMind flayer arcanistMinotaurMimicMinotaur skeletonMoleMoon elfMummyMummy lordMyconid adultMyconid sovereignMyconid sproutNalfeshneeNeothelidNight hagNothicNycalothOchre jellyOgreOgre zombieOniOrc war chiefOrogOtyughOwlbearPhase spiderPiercerPit fiendPlanetarPriestQuadroneQuaggothQuaggoth spore servantQuasitQuipperRakshasaRatRavenRed dragonRemorhazRevenantRoperRust monsterSahuaginScaladarScorpionScoutSea hagShadowShadow assassinShadow demonShadow dragonShambling moundShield guardianShriekerSkeletonSlaad tadpoleSmoke mephitSpectatorSpecterSpiderSpirit nagaSpySteel dragonStirgeStonecloakStone giantStone golemSun elfThugTiefling TroglodyteTrollUlitharidUltrolothUmber hulkVrockWaspWater weirdWerebatWereratWhite dragonWightWill-ó-wispWorgWraithWyvernXornYochlolYuan-ti abominationZombie
Referenced only
AardvarkAartukAnimated armorBadgerBlack dragonBlue dragonCatCockatriceDingoDolphinDretchElder brainFroghemothGiant constrictor snakeGiant space hamsterGiant waspGold dragonGoristroGriffonH'cathanHorseIguanaInfinity vineJammer leechLizardMedusaMerrowMortissMothMouseNalfeshneeOctopusOxPufferPurple wormRabbitRed slaadRotheSatyrScarabScorpionSea elfShrewStirgeStorkToadTroutUnicornYuan-ti pureblood

LocationsEdit

Buildings & Sites
Dalagor's FortressDark Harvest MarketDead Man's CornerDumathoin's JestFlagon and the DragonGyudd's DistilleryHeralds' MeetNightshade's CaressSarguath's BountySkull SquareThaglar's FoundryThe Bat's RoostThe Blank TankardThe Feathered RatThe Guts and GartersThe Keel HallThe Lanternlighter'sThe Overflowing UrnThe Poisoned QuillThe Sea ChestThe Sword and SextantThe Worm's GulletThimblewine's PawnshopTwinbeard's TrapsYawning Portal
Settlements
Azrok's HoldWaterdeepSkullportStromkuhldur
Vessels
Blue OpalScavenger
Wilderness
North, TheTorilRiver SargauthSkull IslandUnderdark
Dungeons
Citadel of the Bloody HandUndermountainVanrakdoom
Levels
Arcane ChambersArcturiadoomCaverns of OozeDungeon LevelDweomercoreLost LevelMaddgoth's CastleMaze LevelMuiral's GauntletObstacle CourseRunestone CavernsSargauth LevelSeadeepsShadowdusk HoldSlitherswampStardockTerminus LevelTroglodyte WarrensTwisted CavernsVanradoomWyllowwood
Referenced only
AelinthaldaarAghairon's TowerAlterdeepAmphailAnadiaAstral PlaneAthasBlack JunglesBlackstaff TowerBryn ShanderCastle WardChandosColiarDaggerford Demonweb PitsElemental Plane of EarthElemental Plane of FireElemental Plane of WaterFar RealmFont of WonderGardenGlythGracklstughH'cathaHeroes' GardenHigh House of StarsHouse of WonderIcewind DaleIllefarnKarpriLimboLuskanMelairbodeMenzoberranzanMirabarMount WaterdeepMyth DrannorNeverlight GroveNimoar's HoldNine HellsNorthshield HouseOerthOuter PlanesPlane of MagmaShadowfellRashemenStone BridgeSunset MountainsSwamp of OblivionThe AbyssTears of SelûneThe SwordmaidenTorilTriboar

OrganizationsEdit

Blacktongue tribeChurch of SharClan BlackskullClan BrighthelmClan CrystalmantleClan DarkshineClan DuskaxeClan GhazClan GrayfellClan HammerstoneClan IroneyeClan IronheadClan KlangphornClan MuzgardtClan ShunlightClan SteelfistClan SteelshadowClan StonedarkClan StormforgeClan TharnClan ThurumbraClan UnderbrewClan UnderdottirClan UnsuttirClan UrmbaaltClan XornbaneClan XundornCult of SharFine Fellows of DaggerfordHarpersHouse AbbathHouse A'DaragonHouse Alet'tazHouse AmcathraHouse ArgonraeHouse AuvryndarHouse Barrek'zornHouse BeltorzzaHouse DalambraHouse Dezpeti'ilHouse Do'ettHouse FrethHouse HylarnHouse IchorzzaHouse Imphiz'zal House KenafinHouse Kron'tayneHouse MadannithHouse MoonstarHouse OrlezziirHouse OussarHouse RosznarHouse ShadowduskHouse ShurrethHouse Tanor'thalHouse TelennaHouse Tlin'orzzaHouse VandreeHouse VrindolinHouse Xil'talanHouse XilzzrinHouse ZaphrorzzaHouse ZmirthLegion of AzrokLords' AllianceMasked Lords of WaterdeepRustbone tribeSpires of the MorningSsethian ScourgesThe Sing-AlongsThe OrdningUndertakersWatchful Order of Magists and ProtectorsXanathar GuildZhentarim
Referenced only
Arcane brotherhoodClan FlametongueClan GravelfistClan MelairkynFalkir's Fist

MagicEdit

Items
Amulet of proof against detection and locationArmor of resistanceBead of forceBlack crystal tabletBlast sceptreBoots of elvenkindBoots of false tracksCalendar stoneCandle of invocationCandle of the deepChime of openingCirclet of blastingCirclet of human perfectionCloak of elvenkindCloak of the manta rayDagger of blindsightDagger of venomDecanter of endless waterDodecahedron of doomDread helmDust of disappearanceElemental gemFigurine of wondrous powerGauntlets of ogre powerGem of brightnessGem of seemingGloves of missile snaringHag eyeHeadband of intellectHorned ringHorn of the Endless MazeIoun stoneLuck bladeMace of smitingManual of gainful exerciseMariner's armorMithral armorNine lives stealerOil of slipperinessOrb of directionOrb of gongingPipe of smoke monstersPiwafwiPole of anglingPot of awakeningPotion of animal friendshipPotion of comprehensionPotion of dimunitionPotion of fire breathPotion of fire resistancePotion of gaseous formPotion of giant strengthPotion of healingPotion of invisibilityPotion of longetivityPotion of mind readingPotion of vitalityPotion of watchful restPotion of water breathingProfessor orbPropeller helmQuaal's feather tokenRobe of eyesRod of lordly mightRod of rulershipRope of climbingSending stoneSentinel shieldShield of the Uven RuneSovereign glueSpelljamming HelmSpell scrollStaff of flowersStaff of frostStaff of powerStaff of thunder and lightningStardock rodSun bladeSword of sharpnessTome of clear thoughtWand of conductingWand of fireballsWand of magic detectionWand of secretsWand of the war mageWand of wonder
Referenced only
Horn of ValhallaNecklace of fireballs
Spells
AlarmAlter selfAnimate deadAnimate objectsAntimagic fieldAntipathy/sympathyArcane lockAstral projectionAuguryAwakenBanishmentBigby's handBlightBurning handsChain lightningCharm personChromatic orbCircle of deathClairvoyanceCloudkillCloud of daggersColour sprayComprehend languagesCone of coldConfusionConjure elementalContact other planeContinual flameCounterspellCreate undeadCrown of madnessDancing lightsDarkvisionDelayed blast fireballDetect magicDetect thoughtsDimension doorDisintegrateDispel magicDreamEarthquakeEnlarge/ReduceEtherealnessEvard's black tentaclesEyebiteFabricateFaerie fireFalse lifeFearFeather fallFeeblemindFeign deathFinger of deathFireballFlesh to stoneFlyFog cloudForcecageGaseous formGeasGreater restorationGreater invisibilityGlobe of InvulnerabilityGlyph of wardingGreaseGust of windHallucinatory terrainHasteHeroes' feastHold monsterHold personHypnotic patternIce stormIdentifyImprisonmentIncendiary cloudInvisibilityJumpKnockLegend loreLeomund's secret chestLeomund's tiny hutLesser restorationLevitateLightLightning boltLocate creatureMage armorMage handmagic circleMagic jarMagic missileMagic mouthMagic weaponMass cure woundsMazeMelf's acid arrowMendingMeteor swarmMind blankMirror imageMisleadMisty stepModify memoryMordenkainen's faithful houndMordenkainen's magnificent mansionMordenkainen's private sanctumMordenkainen's swordNondetectionOtiluke's resilent sphereOtto's irresistible dancePasswallPhantasmal killerPlanar bindingPlane shiftPolymorphPower word killPower word stunPrestidigitationPrismatic sprayPrismatic wallPurify food and drinkRaise deadRary's telepathic bondRay of enfeeblementRay of frostRay of sicknessRemove curseReverse gravityRope trickScryingSee invisibilitySeemingSendingShieldSimulacrumSleepSleet stormSpeak with animalsSpeak with deadSpider climbStinking cloudStone shapeStoneskinSuggestionSymbolTasha's hideous laughterTelekinesisTeleportTeleportation circleTenser's floating diskTime stopTonguesTransport via plantsTrue polymorphtrue seeingUnseen servantWall of fireWall of forceWall of iceWall of stoneWater breathingWebWeirdWishWitch boltWord of recall

MiscellaneousEdit

Food and drink
Aartuk tonguesAleAmberjackBarrelstalkBluecapBreadButterCandied plumsCarrion crawler soufflèCheeseDried mortiss meatEggsFlourFlumph stewGiant space hamster hocksGoat's Head AleHalaster's Futuristic FrogmashH'cathan doom radishesInfinity vine stalksJerkyLicoriceMushroomsNutsPepperPickled jammer leechesPuffer steaksRipplebarkSaffronShrieker pieStirge loafStirge meat pieTimmaskTomatoTongue of madnessTrillimacWaterWineWyrmwizzZurkhwoodZzar
Games
CoroniirThree-Drangon Ante
Items
Eye of the SpiderFlying saucerRevolverShockerstomperSimulacruxTangler grenadeThe Runestone
Literature
Arcturia's Arcane EstoricaDemonic InfestationsLongsaddle SunsetMatrons of the Sunless DepthsMusings of a Planar TravellerOut of the InfernoPatterns in the Tapestry of TimeTales of Existential DreadTenebrous and the True Path to LichdomThe Acension of VlaakithThe Poison ChaliceThe Spectrum of Multiversal BeliefsThe U'keth PropheciesTouched by the Far Realm: A Wizard's Lamentable Descent into LunacyWhispers of a Bygone Truth
Music
Bwaelan Dro
Events
936 DR1071 DR1104 DR1130 DR1171 DR1182 DR1355 DR1436 DR1531 DRBattle of Emridy MeadowsCrown WarsSpellplague

AppendixEdit

NotesEdit

  1. Canon material does not provide a year for the events described in Waterdeep: Dragon Heist, but Christopher Perkins answered a question via Twitter and stated the year was 1492 DR. Unless a canon source contradicts this assertion, this wiki will use 1492 DR for events related to this sourcebook and Waterdeep: Dungeon of the Mad Mage (which is referenced on pages 5 and 98 of Dragon Heist).

Further ReadingEdit

ConnectionsEdit

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