ContentsIntroduction ...........................................4Using This Book ....................................4The Yawning Portal ..............................5

Ch. 1: The Sunless Citadel ................9Adventure Synopsis ..............................9Running the Adventure ........................9Oakhurst ................................................10The Citadel ............................................11Aftermath ..............................................31

Ch. 2: The Forge of Fury ..................33Adventure Synopsis ............................33Character Hooks ..................................33Approaching Khundrukar .................34The Forge of Fury ................................36Aftermath ..............................................59

Ch. 3: The Hidden Shrine of Tamoachan ...................................61

Running the Adventure ......................61The Ruins of the Shrine .....................61

Ch. 4: White Plume Mountain ........95Running the Adventure ......................95Locations in the Dungeon .................97Escaping the Dungeon .................... 107

Ch. 5: Dead in Thay ........................ 109Synopsis .............................................. 109The Doomvault .................................. 109Into the Doomvault ............................116Abyssal Prisons..................................118Blood Pens ......................................... 124Masters’ Domain............................... 129Far Realm Cysts ............................... 134Forests of Slaughter ......................... 138Ooze Grottos .......................................141Predator Pools ....................................145Golem Laboratories ......................... 150Temples of Extraction ...................... 155The Phylactery Vault ........................ 160Aftermath ........................................... 163

Ch. 6: Against the Giants .............. 165Running the Adventures ................. 165Steading of the Hill

Giant Chief ...................................... 166The Glacial Rift of the Frost

Giant Jarl ..........................................179Hall of the Fire Giant King ..............191

Ch. 7: Tomb of Horrors ...................211Legend of the Tomb ...........................211Running the Adventure ....................211Locations in the Tomb ..................... 212

App. A: Magic Items ....................... 228Amulet of Protection from

Turning ............................................ 228Balance of Harmony ........................ 228Bracelet of Rock Magic ................... 228Eagle Whistle .................................... 228Hell Hound Cloak ............................. 228Loadstone ........................................... 228Mirror of the Past ............................. 228Night Caller ........................................ 228Potion of Mind Control .................... 229Robe of Summer ............................... 229Shatterspike ....................................... 229Spear of Backbiting.......................... 229Stone of Ill Luck ................................ 229Wand of Entangle ............................. 229Waythe................................................. 229

App. B: Creatures ............................ 230Animated Table ................................. 230Barghest .............................................. 230Centaur Mummy ............................... 231Champion ........................................... 231Choker ................................................. 232Conjurer .............................................. 232Deathlock Wight ............................... 233Dread Warrior ................................... 233Duergar Spy ....................................... 234Enchanter ........................................... 234Evoker ................................................. 235Giant Crayfish .................................... 235Giant Ice Toad ................................... 235Giant Lightning Eel .......................... 236Giant Skeleton ................................... 236Giant Subterranean Lizard ............ 236Greater Zombie ................................. 237Illusionist ............................................ 237Kalka-Kylla ......................................... 238Kelpie ................................................... 238Leucrotta ............................................ 239Malformed Kraken ........................... 239Martial Arts Adept ............................ 240Nereid .................................................. 240Necromancer ..................................... 241Ooze Master ....................................... 241Sea Lion .............................................. 242Sharwyn Hucrele .............................. 242Sir Braford ......................................... 243Siren .................................................... 243Tarul Var ............................................. 244Tecuziztecatl ...................................... 245Thayan Apprentice ........................... 245

Thayan Warrior ................................. 246Thorn Slinger .................................... 246Transmuter ......................................... 247Vampiric Mist .................................... 247White Maw ......................................... 248Yusdrayl .............................................. 248

MapsMap 1.1: Fortress Level ......................13Map 1.2: Grove Level ..........................26Map 2.1: The Stone Tooth .................35Map 2.2: The Mountain Door ...........37Map 2.3: The Glitterhame .................44Map 2.4: The Sinkhole .......................49Map 2.5: The Foundry ........................52Map 2.6: The Black Lake ...................58Map 3.1: The Hidden Shrine

of Tamoachan ....................................63Map 4.1: Cutaway View ......................97Map 4.2: White Plume Mountain .....98Map 4.3: Geysers and Chains ...........99Map 4.4: Boiling Lake...................... 102Map 4.5: Aquarium and Prison ..... 105Map 5.1: The Doomvault ..................111Map 5.2: Player Map .........................117Map 5.3: Abyssal Prisons ................118Map 5.4: Blood Pens ........................ 125Map 5.5: Masters’ Domain ............. 129Map 5.6: Far Realm Cysts .............. 135Map 5.7: Forests of Slaughter ........ 139Map 5.8: Ooze Grottos ......................142Map 5.9: Predator Pools .................. 146Map 5.10: Golem Laboratories .......151Map 5.11: Temples of

Extraction ........................................ 156Map 5.12: The Phylactery Vault......161Map 5.13: The Phylactery Vault......162Map 6.1: Hill Giant Stronghold,

Upper Level..................................... 168Map 6.2: Hill Giant Stronghold,

Dungeon Level ................................174Map 6.3: Frost Giant Stronghold,

Upper Level..................................... 180Map 6.4: Frost Giant Stronghold,

Lower Level .................................... 184Map 6.5: Hall of the Fire

Giant King, Entrance Level......... 190Map 6.6: Hall of the Fire

Giant King, Second Level ............200Map 6.7: Hall of the Fire

Giant King, Third Level ............... 204Map 7.1: Tomb of Horrors ............... 213