No-one knows why, but many of the villagers of Greenmist have been going insane. Not only that, but something has caused the surrounding environment to transform into fetid swamps. Heroes from far and wide have gone into the swamps to destroy the source of the madness, but none have returned. The truth is that the psychic whispers of an aboleth have invaded the minds of Greenmist's people. The creature called Seedooloo has been using forbidden magic, mad science, and the strange ability of his kuo-toan worshipers to grant himself the power to drive the surface world to insanity. The Call of Seedooloo includes monsters found in Mordenkainen's Tome of Foes.

A horror fantasy adventure for 3-5 1st level characters The hunched beast prowls the forest, sniffing at the still air. The roiling sky flashes and thunder breaks the silence. The time is near and the beast senses it. The monstrous form bounds toward the darkened village, a demonic howl in its throat... Shipwrecked on a perilous shore, a group of adventurers stumble into a blighted land and come face to face with a great black beast with a terrible curse. Can they unravel the mystery and solve the Barghest's curse before it’s too late? - 58 pages, 10 locations, 10 dungeon rooms - 2 new spells and 5 new monsters - Over 20 original illustrations - Inspired by English folklore - Emphasis on exploration, interaction, and usability

The astronomer monks of Farsky failed for decades to tell the future by the stars. Desperate, they found a promising seer, and passed off her predictions as their own… until deadly illness struck. Unable to give up their lucrative scam, they trapped her spirit, which became a thing of evil: a banshee, whose howls foretold their doom. The party have heard rumors of a ruin, where once sages could answer any question… Notes by @Demian: Winner of One Page Dungeon Contest (OPDC) 2015. The adventure consists of a single small dungeon with 13 rooms and an exploration/time-based random Silence spell mechanic. It is themed around music and sound. Designed as a one-shot to be played in one 4–7 hour session.

A scenario for a party of 4th-7th level adventurers You've earned quite a reputation as fearless adventurers, the sort who take on anything. But what happens when you come face-to-face with the challenge that bested the greatest adventurer in the whole Kingdom? Can you succeed where Feyr-Panniras failed? Can you find what has turned his friends against the Kingdom? And, more than anything, can you survive against the power of the New Gods?

Swamp creatures! They surround you now as you move slowly through the gurgling muck. How will you reach Quagmire now? Each day, the hungry sea swallows more of the ancient port city. A fierce fever ravages its people, and now - these foul monsters! Their beady eyes glimmer from deep within the tangled vines. Are these the creatures that have blockaded the city, turning away the ships that are the city's lifeline? Are these the scum that are starving the people of Quagmire, threatening an entire race with extinction? These creeps? Let's clean this jungle out! Quagmire includes a large-scale map that expands the D&D world and introduces new areas to explore. The adventure also includes new magic items and a special, expanded monsters section. Hurry! Hoist your colors, saddle your horse - go, before the city by the sea becomes the city beneath the sea! TSR 9081

A routine recovery job, bread and butter work for any party of sell-respecting adventurers. What could go wrong? A few bugbears aren't going to cause any difficulty, are they?

An expansion on the original Tomb of Horrors with plot and explanation. Contains a facsimile of the original adventure. The Dark Intrusion is causing the dead to rise from their graves. This is linked to a being known as the Devourer. Following the trail of Desatysso, a wizard who followed a similar quest, the players must enter the Tomb, and beyond that, the cursed City that Waits and the Fortress of Conclusion.

Rising from the surface of a massive lake, an ancient ziggurat travels through time for purposes unknown. It’s up to the characters to enter this strange relic and discover what dark threat the structure poses. The Ziggurat Beyond Time contains advice for customizing the adventure for your own campaign. It also contains an artifact, the Deluvian Hourglass, that has time-related properties and wishes to witness the end of the world. Pgs. 23-55

Zhentarim traders. Shadowy figures roaming the fields near Hillsfar. How do these all relate? Everything traces back to the recently unearthed grave-barrows. Rescuing a caravan from undead attackers, the adventurers learn of an ancient danger. An Adventurer's League Four-Hour Adventure for 5th-10th Level Characters.

An expedition to the Amber Temple reveals another major minion of the enemy and uncovers a secret weapon that may help defeat them. Part Ten of Misty Fortunes and Absent Hearts.

Let nothing end the Feast by the River. Let the celebration of our enemy’s vanquishing ring out night and day for eternity. Let the bones of our enemies and our prey mingle below our feet. This is your time, our time, the best time. —Queen Gellao on the eve of her victory over the followers of Dur; decreed at the River’s Bend feast hall

The Lost City is a low-level adventure, in which the only hope of the PCs' survival can be found in a ruined city slowly rising out of the sands. The adventure is set inside a huge step pyramid, with the lower pyramid only sketched out and the city itself described with a list of the major areas and a map. The adventure’s main villain is Zargon, a giant one-eyed monster and his minions. The entire double pyramid, not including the city, contains over 100 rooms. The module is designed to give novice Dungeon Masters experience fleshing out adventures and is only partially complete. Later TSR material hints that this adventure possibly takes place in Mystara, but the material is largely setting-neutral. TSR #9049

The jungle has opened up and revealed her secrets—now is the time to act upon them. All signs point to a long-abandoned city as the source of the undead contagion, and so you have been called upon to venture within and put an end to it once and for all. Are you up to the task? Part Three of The Rot from Within Trilogy.

Weave of the Dread Mythal is a 1st-6th level Dungeons and Dragons 5e campaign that takes players on a journey of peril and intrigue across the Evermoor. Part story driven campaign, part sandbox, this adventure will give you tools to make the Evermoors come to life and a brutal and unique campaign to run within it. Your players will face the ire of hostile factions and their conflicting desires, the excitement and danger of ancient Netherese ruins and artifacts, and inevitably, the undead army of the Weaver, a wicked necromancer obsessed with becoming the new demi-god of undeath. This campaign also includes separate, full-size battlemaps that are made for use with Roll20 and other VTTs.

Protect the Future! At the height of Netheril's power, the fortress of Spellgard held many great secrets of the Empire of Magic. Now, only ruins remain... and one last guardian, the near-mythical Lady Saharel, whose prophetic visions draw the desperate and the doomed from across Faerun. But a dark presence in one of Spellgard's intact towers wants to control the power of prophecy for itself and remake the future in its own image.

It's strange that a shrine to a vanished god should still be taking sacrifices. Not everyone forgets a forgotten god. The party explores an old shrine to a demon lord, kept up by a superstitious local. Pgs. 3-8

The mists have led you deep into Glumpen Swamp to a den of great evil. Within, the unliving son of an unliving god awaits the peace of death that eternally eludes him. Will you grant him his rest, or realize the part he is to play in things to come? Part Seven of Misty Fortunes and Absent Hearts.

A nest of vampires has claimed a dark forest and the surrounding human towns as its domain. Some of the local residents revere the vampires and serve as daylight guardians and spies. However, most of the townsfolk live in a state of dread. Those townsfolk have finally scavenged enough valuables to hire a band of adventurers to destroy the nest. Pgs. 66-71

Travelling long distances is the constant lot of the adventurer. This time, their quest will take them across the sea, and deep into the interior of a country they know little about, to retrieve an artefact stolen by one bunch of clerics from another. Now, we all know that meddling in the affairs of the Gods can be a hazardous affair, but this time the Gods haven't been worshipped for hundreds of years, and their clerics slaughtered each other in a great battle back in the distant past. Maybe this is that adventure we've all been waiting for, where the treasure is just sort of sitting there, and all we have to do is go and get it... A complete 40-page adventure, with stats for the D&D/AD&D games, and background information to use with the Pelinore campaign.

Devastated in a war with a nearby wizards' school, the Fighters' Academy has since been surrounded by a foul and dank swamp - the Gloomfens. Since the climatctic battle between the wizards and fighters, the tower has decayed. The spirit of the head of the academy haunts the building, eternally plotting his revenge on the wizards who killed him. his loyal sutdents remain faithful to him even in death. Other foul undead have made their home in the rotting, spacious academy. From their lair, they make forays into farmsteads near the swamp in search of victims to feed their unspeakable appetites. The Problem of these terrible attacks by the savage undead will not stop until the evil that has found a home at the tower is burned from the face of the land forever. Will your party heed the call and help the town of Melinir? Will they be able to clear the former Academy of its undead? The Fighters' Academy is the first in a three part adventure, The Haunted Tower. Or, it can be ran as a stand alone adventure. The choice is up to you. Part of TSR 1081 The Haunted Tower