A level 2–3 sewer adventure by Glynn Seal. PCs plumb fetid sewers and recently-revealed secret halls, in search of a lost worker. In these forsaken chambers, they may find answers and treasures, but may also come face-to-face with a bloated monstrosity and its depraved followers. For Old-School Essentials (OSE) Included as one of four adventures in "Old-School Essentials Adventure Anthology 1"

Deep in the forest, an ancient pyramid was constructed many millennia ago for an unknown purpose as part of a forgotten modron war. Within it is a labyrinth of strange traps, taxing puzzles, and some unwelcome troglodytes. This adventure for 1st-3rd level characters can be played as the first part of the Legacy of Zandrax campaign or as a standalone one-shot.

You wake up in a pitch-dark cavern... The stench of bodies fills your nostrils. The crack of bone and the sound of teeth rending flesh are the only sound you hear. Something is feeding nearby...something you can't see. We Eat in the Dark is a deadly adventure for 3rd or 4th level characters. Navigate the caves of the Darkshard Abattoir, where light sources are muted and creatures hid invisibly in the dark. Fight for your life against troglodytes empowered by a mysterious artifact and other cavern hazards. Includes an appendix for limited starting gear for a more lethal challenge. A perfect murder-happy one-shot for your players to question your friendship.

This material was originally published as three separate adventures: G1 (STEADING OF THE HILL GIANT CHIEF), G2 (THE GLACIAL RIFT OF THE FROST GIANT JARL), and G3 (HALL OF THE FIRE GIANT KING). Contained herein are referee notes, background information, maps, and exploration keys for three complete adventures using the ADVANCED DUNGEONS & DRAGONS rules. This module can be used alone or as the first in a series of adventures that includes Dungeon Modules D1-2 (DESCENT INTO THE DEPTHS OF THE EARTH), D3 (VAULT OF THE DROW), and Q1 (QUEEN OF THE DEMONWEB PITS). TSR 9058

Five exciting short adventures to make your Basic campaign come alive! The Clearing of Castle Caldwell - A local merchant has recently purchased a small castle... but when he tried to move in, he discovered that the castle was already inhabited! Dungeons of Terror - A strange trapdoor in the floor of Castle Caldwell leads to a terrifying challenge! The Abduction of Princess Sylvia - On the eve of her wedding, the beautiful princess has been kidnapped! Can you save her in time? The Great Escape - Imprisoned in an enemy fortress, without armor or weapons, your situation seems hopeless. Yet there may be a way to freedom... The Sanctuary of Elwyn the Ardent - A mystical chime of great power has been stolen - but by whom? In the wrong hands, the chime can cause untold harm! But can you find and defeat this mysterious and powerful creature? TSR 9143

The ruined siege castles outside Absalom have long beckoned adventurers looking to make a name for themselves. Now an earthquake has cracked open one of these fabled ruins, and its lost mysteries and fantastic treasures lie exposed for the first time in centuries. But the tower's empty halls once more echo with living footfalls, and a new master has claimed the Fallen Fortress as his own.

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 Lost Mines of Karak” is the sequel to “The Shadow Rift of Umbraforge” and the fourth part of the Scales of War adventure path. After the player characters' success in "Siege of Bordrin's Watch" and "The Shadow Rift of Umbraforge", they have garnered something of a reputation in the city of Overlook. They are introduced to a wealthy patron that believes there is a connection between a shadar-kai arms dealer (from the previous two adventures) and a long lost dwarven mine. The patron wishes the PCs to find and secure the mine in order to use its wealth and resources to defend the city. The party then must travel through a wasteland and desert to find this mine. Once they have, they must fight through the hordes of monstrous creatures that inhabit it and defeat the Queen of the Drylands - a powerful naga. Pgs. 56-93

Hunt for the Thessalhydra is a short adventure published by Wizards of the Coast as a tie in to the "Stranger Things" franchise and part of the Stranger Things Dungeons & Dragons Starter Set. The adventure features characters, locations, and monsters inspired by that series. The adventure is suitable for characters of level 3-5.

In the Yatil Mountains south of Perrenland there is rumored to be a magical hoard of unsurpassed value, a treasure of such fame that scores of adventurers have perished in search of it. Find the perilous Lost Caverns of Tsojanth and you may gain the hidden wealth of the long-dead arch-mage-- if you live. Module S4, this contains a brief wilderness journey to the caverns, but the bulk is underground. The caverns are noted as a previous lair of the Arch-mage Iggwilv- though she is long gone, her Demonomicon remains. This module marks the first appearance of several monsters and items that would later appear in the Monster Manual 2 and Unearthed Arcana. A labyrinth features in the caves. TSR 9061

For ages untold, a gemstone monolith has pierced the heart of the Echo Wood. Now, as civilization intrudes upon this enigmatic splinter, a strange life once again stirs in the depths—one with ties to undying evils and a might beyond time itself. The promise of wealth and power calls to glory-seekers from across the Inner Sea region, tempting them into a labyrinth of monster-haunted vaults, defiled tombs, arcane laboratories, and worse, as they seek to unveil the secrets locked below the legendary Emerald Spire.

The town of Byr is in need of heroes. Residents of the town of Byr have been kidnapped. Some think it was marauding Hobgoblins, but a grizzled and crippled veteran who helped to drive the Chagmat (monstrous spider-people) back many years ago believes that the Chagmat are back. Their forgotten temple is believed to be up on Little Boy Mountain. He argues that the mountain is where answers, and the missing townsfolk, can be found. Pgs. 33-48

The Pit of The Oracle is a game module designed for use with the rules of Advanced Dungeons & Dragons. It can be used by itself as a self-contained campaign (or as a springboard to a larger campaign), or it can be easily incorporated into an existing campaign. Comment: Level range is my best guess. Adventure includes a lot of unique short-hand

It's all over (and literally so) after midnight. A mission with an unforgiving deadline. The characters must remove the magically-infused remains of a dead wizard and his medallion from a crypt. Pgs. 10-23

"Terror by night! The village of Orlane is dying. Once a small and thriving community, Orlane has become a maze of locked doors and frightened faces. Strangers are shunned, trade has withered. Rumors flourish, growing wilder with each retelling. Terrified peasants flee their homes, abandoning their farms with no explanation. Others simply disappear. . . No one seems to know the cause of the decay -- why are there no clues? Who skulks through the twisted shadows of the night? Who or what is behind the doom that has overtaken the village? It will take a brave and skillful band of adventurers to solve the dark riddle of Orlane!" TSR 9063

The valley of Haven was a peaceful land. Its crops were abundant, its citizens prosperous. Elves, Dwarves, Halflings, and Humans lived together in harmony. Hidden away in the heart of the Thunder Mountains, Haven was a safe place to live. The rivers were sweet and pure; the weather was pleasant and warm. Something terrible has come to pass in Haven - terrified refugees speak of a fabulous ruby uncovered in the mountains and a catastrophe that befell the palace. Whatever the cause, Haven now lies in chaos. Raiding bands of orcs, goblins, and hobgoblins terrorize the countryside. The disaster happened so suddenly that the citizens are confused and helpless. Without their leaders, who are trapped in the palace, they have no courage to fight back. The situation has become desperate. TSR 9044

The final confrontation with the giant, King Snurre, and the entry of mighty adventurers into the caverns under his stronghold (DUNGEON MODULE G3, HALL OF THE FIRE GIANT KING) discovered the Dark Elves, the Drow, had instigated the giant alliance and its warfare upon mankind and its allied races. This module contains background information, a large-scale referee's map with a matching partial map for players, referee's notes, special exploration and encounter pieces, a large map detailing a cavern area, encounter and map matrix keys, and an additional section pertaining to a unique new creature for use with this module and the game as a whole. A complete setting for play of ADVANCED DUNGEONS & DRAGONS is contained herein. This module can be played alone, as the first part of a series of three modules (with SHRINE OF THE KUO-TOA, D2, and VAULT OF THE DROW, D3), or as the fourth part of a continuing series of modules which form a special progressive campaign scenario (DUNGEON MODULES G1, G2, G3, D1, D2, D3, and Q1, (QUEEN OF THE DEMONWEB PITS). TSR 9019

Giants have been raiding the lands of men in large bands, with giants of different sorts in these marauding groups. Death and destruction have been laid heavily upon every place these monsters have visited. This has caused great anger in high places, for life and property loss means failure of the vows of noble rulers to protect the life and goods of each and every subject -- and possible lean times for the rulers as well as the ruled. Therefore, a party of the bravest and most powerful adventurers has been assembled and given the charge to punish the miscreant giants. This module contains background information, referee's notes, two level maps, and exploration matrix keys. It provides a complete module for play of ADVANCED DUNGEONS & DRAGONS, and it can be used alone or as the first of a three-part expedition adventure which also employs DUNGEON MODULE G2 (GLACIAL RIFT OF THE FROST GIANT JARL) and DUNGEON MODULE G3 (HALL OF THE FIRE GIANT KING). TSR 9016

Two centuries past, the dwarven smith Durgeddin the Black carved a secret stronghold from the caverns riddling a hill known as the Stone Tooth. Laboring ceaselessly in their halls under the mountain, Durgeddin’s clan forged enchanted weapons for use in their vendetta against the orcs that had driven them out of their old homes. Durgeddin and his followers are long dead, but the dwarf-hold is not empty. Deadly peril waits in the caverns beneath the Stone Tooth, as well as Durgeddin’s hidden armory of matchless weaponry. The Forge of Fury is a dungeon crawl, or site-based adventure, describing the ruined stronghold of Khundrukar. The characters come to the Stone Tooth in search of a hidden cache of Durgeddin’s superior blades. They find the old stronghold inhabited by a number of dangerous monsters.

Having put down a rising of giants, it was discovered that the motivating force behind their depredations was that of long-forgotten evil - the Dark Elves. Determined to seek out these creatures, a body of doughty adventurers mounted an expedition to learn the strength of the Drow and bring retribution to them (DUNGEON MODULE D1, DESCENT INTO THE DEPTHS OF THE EARTH). This module contains background information, a large-scale referee's map with a matching partial map for players, referee's notes, special exploration and encounter pieces, a large map detailing a temple complex area, encounter and map matrix keys, and an additional section pertaining to a pair of unique new creatures for use with this module and the game as a whole. A complete setting for play of ADVANCED DUNGEONS & DRAGONS is contained herein. This module can be played alone, as the second part of a series of three modules (with DESCENT INTO THE DEPTHS OF THE EARTH, D1, and VAULT OF THE DROW, D3), or as the fourth part of a continuing scenario (DUNGEON MODULES G1, G2, G3, D1, D2, D3, and Q1, QUEEN OF THE DEMONWEB PITS). TSR 9020, From 1978