A slaver gang known as the Bloodreavers are terrorizing the countryside from their base deep in the labyrinth under Thunderspire Mountain. But these slavers are only the symptom of a larger threat in the bowels of Thunderspire.

The most deadly dungeon ever devised! High-level characters brave the unexplored corridors of Deepearth to confront perhaps the most feared adversary in the AD&D game. The second chapter of the Bloodstone Pass saga follows the conclusion of the desperate war against the bandit army. A cold and bitter winter drives the villagers to the edge of starvation, and numerous horrors strike the town of Bloodstone Pass. Join the adventure as the heroes explore the depths of the ancient bloostone mines, now inhabited by fearsome demons. There they hope to uncover the fantastic treasures rumored to exist in the unknown darkness. But deep within the mines, all is not what it seems.... This module uses the new rules from the Dungeoneer's Survival Guide and Wilderness Survival Guide. The adventure also includes optional BATTLESYSTEM scenarios fought entirely underground. These supplementary products are not required to play the adventure, however. TSR 9168

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.

The waters of a sunless sea meet a pebble-strewn shore, beyond which opens a wide Underdark vista shimmering with pale cave-light. Titanic columns as big as castles march miles into the misted distance. The wide, steeply sloping base of the nearest colossal column is carved with streets, walls, and elaborate structures, many with gaping, empty windows. A few glimmer with faint illumination. Are you brave enough to explore the spire-city and face the terrors that lurk within? Part 2 of the Barrow of the Forgotten King series. Followed by Fortress of the Yuan-ti.

Called by the Elder Elemental Eye to serve, four corrupt prophets have risen from the depths of anonymity to claim mighty weapons with direct links to the power of the elemental princes. Each of these prophets has assembled a cadre of cultists and creatures to serve them in the construction of four elemental temples of lethal design. It is up to adventurers from heroic factions such as the Emerald Enclave and the Order of the Gauntlet to discover where the true power of each prophet lay, and dismantle it before it comes boiling up to obliterate the Realms.

The Case of the Kidnapped Cartographer A dear friend of the party has gone missing; Boddyknock the gnome cartographer, supplier of maps and charting equipment. Can the party solve the mystery of his disappearance? Do they have the bravery to delve deep to recover their lost ally? What horrors will they uncover in the cavernous expanse beneath their feet?

Part One of the Umbral Aristocracy Trilogy. Rumors abound of a map that leads to a treasure of unimaginable value. When chance drops the map into your hands, you have the chance to become wealthy beyond your wildest dreams. But you’re not the only ones with that dream. The chase is on. A Two-Hour Adventure for Tier 1 Characters.

With allies gained from denizens of the Underdark, the former drown enclave of Szith Morcane is on the precipice of being retaken. During the battle for Szith Morcane, secrets of the drow community are revealed. What will you do with this knowledge, and how will it affect the outcome of the conflict?

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!

A Collection of Dark and Daring Adventures What happens when adventurers become the owners of a brothel? When a roguish associate asks them to attend an oligarch’s party in his place? What lurks in the Cartways besides kobolds? And what will you say when another thief tells you the only way to find a treasure is to become hunted by the Praetors? Dark dealings, my boys, and a knife in the guts might be the price. Whose guts? Might be yours if you cross the wrong one of the Nine. This 112-page supplement and adventure anthology is set in the seedy underbelly of Zobeck, and on its mean streets you will find: Seven adventures dealing with underhanded themes, shady locations, and double-crossing deals gone wrong Six locales including the Cartways Market Gallery or the Old Stross Municipal Baths. A dirty dozen NPCs: kobold gearsmiths, failed Arcane Collegium students, barge captains, fey and undead ambassadors to use as rivals, patrons, peers and foes A sampling of new clockworks, street magics and odd enchantments that make Zobeck the distinctive jewel of the River Argent! You probably shouldn’t bring the paladin along on this one… This official Midgard adventure anthology is easily portable to any setting. Designed by Ben McFarland, Chris Harris, Matthew Stinson, Christina Stiles, Mike Franke, and Richard Pett.

A special underworld encounter from DUNGEON Adventures! The toll may be higher than you can afford... To travel further into the Underdark the party must cross a bridge spanning a deep chasm. But to cross, they must pay the toll, or risk another route. Pgs. 47-54

Your search for Volo’s key in Skullport has you playing a dangerous game between The Xanathar Guild, Bregan D’aerthe, and the Zhentarim. In the Port of Shadow, how do you know who you can trust when lives are on the line? Part Two of the Skullport Shakedown trilogy.

Dark Water Trap is a mini-adventure that has a single encounter that involves Duergar using darkness and anti-darkvision to get the player to fall into a Pit trap full of water, so that the party will drown. The encounter either works as a standalone (Ie. the Duergar have been causing trouble), or as a part of a larger adventure or dungeon, Duegar or otherwise. Pgs. 26-27

Every year, the small town of Whitetree has to sacrifice a child as tribute to a fiery salamander slaver, Zassan. The players must pursue the slaver, attempting to stop him and retrieve his precious cargo before it’s too late!

In this climbing adventure, characters journey into the White Peaks mountains to find the source of a rare gem, which is driving the coup in Whitehorn.

Stupid dwarves. You visit their delve, and they announce that they are all off to belt the living daylights out of some troublesome goblins. And can you go along? No chance, it's some sort of 'crusade' and they don't want outsiders along. So, all they are prepared to offer you is the honour of defending all the old dwarves and the kiddies and the others who haven't gone off on the goblin-bash. So, it looks like you'll just have to sit around and drink all the beer and be bored until they - Wait - what's this? A raid on a neighbouring delve; that's a stroke of luck. Now you can chase the raiders, beat them up, and then the dwarves will be grateful and you can drink some more of their beer. What could be simpler?

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

An escaped duergar slave stumbles into the village of Elventree. With her she brings a malady that grips the small settlement in a bout of madness that seems unshakable. Can you find the source of the madness and save yourself and the village’s inhabitants? A four-hour adventure for 5th-10th level characters.

Times are hard in the Hillsfar countryside, especially for those of non-human ancestry. Unscrupulous merchants in league with the hated Red Plumes bleed local farmers and artisans dry. Perhaps some of those loot-laden caravans coming and going from Hillsfar could use a bit of liberation? A four-hour adventure for 1st-4th level characters.

The Northmen and their allies play hardball. The Northmen are on a rampage, and only the duergar know why. Discover the secret of the iron orb. In the lands of the Northmen, near the city of Tallborg a mysterious relic was uncovered in a mine: a perfect orb of black iron. The orb was taken to the temple. When Ulvmard, high priest of Odin lifted the orb it revealed its true nature. The orb levitated from his hands, floating before him. The orb had changed Ulvmard, bestowing him great powers. The orb spoke to him with flattery and advice. As he became reliant on the orb, its power over him extended, bending him to its will and taking control. It used him to further its agenda: destruction of the dwarven race and restoration of the duergar! Claiming to be acting on Odin's behalf, Ulvmard lead the Northmen to rise up against the dwarves, and ordered raids to pillage the southern kingdoms for the materials he would need to construct a colossal iron warrior to defeat the dwarves. This adventure has viking and norse mythology influences. Pgs. 50-71