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!

The characters will investigate a grim mystery in the elven village of Alkai Tor, hunt for answers in a lethal swamp, and finally confront a desperate killer in the Temple of Shattered Minds itself.

Side-Trek adventure When your PCs gain access to the teleport spell, their whole world changes. That simple spell opens up instantaneous, long-distance travel. No more long overland journeys or dangerous retreats through hostile territory. All it takes is clasped hands and a word from the wizard, and poof! The PCs are where they want to go. Except that it isn’t that simple, because teleport isn’t foolproof. The off-target teleports are a matter of scattering your PCs someplace else on the map and forcing them to get their bearings and make the long overland journey anyway. But this Side Trek focuses on the really intriguing column on the teleport chart: “similar area.”

The Fortress of the Yuan-Ti describes a fortress build into a cliff side and the slave village outside. The Adventure is the third of three but can easily be played by its self. The adventure revolves around the players discovering the dark plot to revive the demon Sertrous and then stopping it. The adventure describes the outside, inside, and hanging towers of the fortress. The adventure concludes in a forth extra-planer tower were you fight the boss. It also includes 4 sidetracks from portals that explain how they get the materials for the ritual. Final part of the Barrow of the Forgotten King series.

Red for love, white for purity, black for death. He was thoughtful, obedient, and trustworthy - the epitome of a traitor. All he needed were some heroes. A powerful undead knight, Agrovale, wants to be released from a necromancer named Talakara. He sets in motion an elaborate plan to get the players involved in overthrowing Talakara in her bid to become a goddess. He frames the necromancer for a kidnapping and murder and leaves a trail of clues to lead the players to her stronghold. The party travels through an extensive stronghold filled with many different monsters, finishing with a fight with the demigod Talakara and subsequently the freedom-seeking Agrovale. Pgs. 38-63

A missing mage... A ruthless band of kidnappers... A sinister conspiracy... Night Below, the first epic campaign adventure for the AD&D game, is designed to take the player characters from 1st level to 10th level and beyond. The PCs start as beginning adventures on a routine courier mission who soon become drawn into combating a sinister plot that menaces the pleasant land of Haranshire.

Sarkt is an illithid sorcerer. It was cast out of its community for its heretical studies (Sarkt was in fact, lucky to escape alive). It didn't take the cunning creature long to pick up a few thralls and find a new place to live, safe from the murderous intentions of its companions. Sarkt dwells in the subterranean ruins of an ancient shrine to Blibdoolpoolp, the crustacean-headed deity of the kuo-toas. This shrine lies on the fringe of a region controlled by kuo-toas, but since Sarkt's arrival, the fishmen avoid the area. A few unfortunate kuo-toas now serve Sarkt as thralls and maintain the illusion that the shrine serves Blibdoolpoolp. Pgs. 82-88

The Baronies of Erlkazar, once a prosperous region of pastoral tranquility, is now a land of nightmares and dread. Bandit armies plague the region, terrorizing the populace and surrounding countries of Calimshan, Tethyr, Amn, and Turmish. Though these threats are terrifying enough, it is nothing compared to what awaits the people of Erlkazar at night. In caves, tombs, and subterranean communities beneath the seemingly pastoral villages of Erlkazar live the secretive Night Barony. Ruled by the vampire Saestra and her legions of darkness, these monstrous denizens of the Five Baronies are the real power in the region. The country’s only hope of liberation is you.

Into the Dragon's Lair takes place in the Forgotten Realms setting, and takes place after the novels The High Road and The Death of a Dragon by Troy Denning. The nation of Cormyr tries to rebuild after the death of King Azoun IV, and seeks the treasure hoard of a dragon to fund these efforts and keep the kingdom from falling into chaos. The player characters must find this treasure before all the other seekers.

The Fate of Faerûn Lies in Shadowy Darkness! Daggerdale is reeling from a sudden series of murderous drow raids. As a grave threat to the entire surface world develops in the war-torn dark elf city of Maerimydra, intrepid heroes must discover its source and destroy it, if they can.

When Volothamp Geddarm hires you to recover a missing key, you find yourself wrapped up in a series of murders in Lower Skullport. Can you find the killer before they find you? Part One of the Skullport Shakedown trilogy. A Two- to Four-Hour Adventure for Tier 2 Characters. Optimized For: APL 8

Encounters in the Savage Underdark is a 150-page supplement containing mini-adventures, NPCs, locations, and magic items,from eighteen of the DMsGuild's best authors.This incredible 150 page supplement features 24 amazing new Underdark adventures. Visit Annarei's Garden Encounter an insane aboleth Interact with traveling merchants Attend the Fire Fest Perform an Underdark heist and so much more....

The Dungeon of Graves, is nothing more and nothing less than a good, old–fashioned, First Edition dungeon crawl updated for the 5th Edition Roleplaying Game. Very difficult, it should strike fear into the hearts of the most stalwart adventurers. It offers an abundance of traps, tricks, and monsters. We hope that you find this module as fun and exciting as those thousands of players who have ventured into (and not as often out of) the endless caverns and mazes of Rappan Athuk—The Dungeon of Graves. Rappan Athuk is a difficult dungeon. Even the upper dungeon levels should not be attempted by a party of less than six mid-level characters.

4e's 'Expedition to the Barrier Peaks'... on the moon! Using the technology of a lost civilisation, illithids have been cloning influential people. The PCs must navigate a strange sci-fi environment and defeat the illithids. Additional items & malfunction rules can be found in Dragon #410 & Gamma World 7e.

A prescription for evil. The king's question is, "Do you make house calls?" To Cure a Kingdom is an adventure for ADnD, set in and around a small city state that is suffering from a deadly disease of magical origin. The party must set out into the swamps in search of a cure. Features monsters with psychic powers as well as extra-dimensional travel. Adventure may be connected to further Underdark adventures with relative ease. Pgs. 8-25

For the most part, the town of Ockney’s Hold has always been a peaceful place—bordering on boring. The most interesting things going on in this frontier mining settlement include the annual livestock fair, the cost of spirits at its various inns, and speculation fueled by those same spirits as to what foul things are being dumped into the river by the ore refinery. Recently, however, the usually placid Baron Reinson has begun to act erratically, ignoring most of his counselors, giving more responsibility to his equally erratic chamberlain, and replacing key figures in Ockney’s Hold with outsiders. With no clear answers as to what might be behind the baron’s strange behavior, his last loyal counselor seeks out a band of adventurers to help. Will these brave heroes be able to get to the bottom of a widening conspiracy? And can they expose the terrible and unseen forces manipulating the baron in time to save Ockney’s Hold? Published by Gamehole Publishing.

Eternally does the Lord of Nessus scheme, and his designs are for all eternity; In the pit of Hell do the devils teem round his throne, and his reign is unchallenged; By the eight Dark Ones is he held supreme, and his name (speak it not!) is Asmodeus. - From "The Canticle of Thumis," 142:15 To some, justice is more important than glory, duty is more important than desire, and goodness is more important than life. The great paladin Klysandral was such a man. But even the sleep of death, at the end of a long lifetime spent battling evil, did not bring peace to Klysandral. During his funeral, the entire Temple of Neheod was dragged by terrible magic into the Nine Hells, along with the soul of Klysandral and scores of living mourners! What unearthly motive could be behind this tragedy? Only the bravest, strongest, and most resolute heroes will have the mettle to find the answer. Along the way, they will meet the enigmatic wizard Emirikil the Chaotic, sail aboard the fiendish ship Demonwing, and finally face the horrific minions and overwhelming terrors of Hell itself. Only the path of light can lead the bravest of the brave into perdition and safely out again. Step wisely, and walk in justice.

The party has been tasked with bringing the head of the fire giant king Snurre Ironbelly to the storm giant lord Krombaalt, as well as capturing the dwarven traitor Obmi Ironwhisper. Delving into Snurre's stronghold, they will also discover the sinister drow manipulating the giants. The adventure is part of the "Against the Giants" series originally by Gary Gygax, hence the writing credit.

The Free City: a shining gem in the crown of cultured civilization. Beneath the surface of this bustling metropolis is a rot, festering in the darkness, manipulating the lives of those unaware of its presence. Now a small adventuring band from out of town may be in over their heads. Their actions in Diamond Lake have attracted the wrath of one of the city’s hidden masters. A gang of infiltrators and an enigmatic mastermind plot their destruction, and only tracing the rot to the root can stop the onslaught. "The Hall of Harsh Reflections" is the fourth installment of the Age of Worms Adventure Path, a complete campaign consisting of 12 adventures, several "Backdrop" articles to help Dungeon masters run the series, and a handful of poster maps of key locations. For additional aid in running this campaign, check out Dragon's monthly "Worm Food" articles, a series that provides additional materials to help players survive this campaign. Check out issue #336 of Dragon for five attractions to tempt your PCs to spend some of their hard-earned loot. This issue of Dragon also features an Ecology of the Spawn of Kyuss, one of the central creatures featured in this campaign. Pgs. 34-60

a baron recruits the party to find a set of magical swords as well as explore a mine shaft that connects to the under dark