In the aftermath of AD&D Second Edition's "Return to the Tomb of Horrors," the demilich Acererak was thought destroyed. In truth, his spirit lingered and now after eons he schemes once more to achieve divinity. The characters must travel to three extraplanar dungeons, in addition to the remains of the original Tomb, in order to stop this from coming to pass.

SIGIL'S BEEN AT PEACE FOR OVER 600 YEARS. ALL GOOD THINGS COME TO AN END. Six centuries ago, events surrounding the Great Upheaval imposed an uneasy peace in the City of Doors. Since that time, the 15 factions have quietly conducted their philosophical battle for the hearts and minds of all Cagers - and always stopped short of all-out war. But now tensions are flaring, tempers are rising, and the Cage is about to explode into conflict! Faction War is a 128-page adventure that tracks the war from its nefarious origins through its bitter battles to its ultimate resolution and beyond - and puts the future of Sigil in the hands of the player characters. This book reveals secrets, unravels musteries, brings long-simmering plots to ahead, and marks the beginning of a new era for the City of Doors. It also features the following: - New details on Sigil's wards, personalities, and politics - Adventures that draw the player characters into the heart of the struggle and toward the secrets surrounding the war's beginning and ultimate end - Extensive notes on the aftermath of the conflict - A detailed Timeline of the war, including additional events that the DM may use expand to the adventure Faction War builds on story elements first explored in the PLANESCAPE accessories In the Cage, Factol's Manifesto, and Uncaged: Faces of Sigil. Familiarity with those products is recommended but not required. TSR 2629

A bandit leader known only as "The Ravager" brings ruin to the Border Kingdoms. The characters must destroy the source of his power and defeat him before he can complete his evil plans. Pgs. 11-21

The Dreaming Caldera involves the players infiltrating a volcano teeming with monsters that are intent on constructing a chaos god. The players must navigate through the hostile environment, disrupt the monstrous activities, and ultimately prevent a catastrophic event. 27 keyed locations Written for the Old-School Essentials (OSE) rule system

"Investigate a mystical valley where stones can speak and monsters roam." "The Singing Stones" is a wilderness, point-crawl adventure for characters levels 3-5. It is set in a mystical valley known as Opera Valley, which is filled with sentient, speaking stones. It emphasizes exploration, interaction with unique environmental features, and solving mysteries through dialogue and puzzle-solving rather than straightforward combat. 23 keyed locations Written for the Old-School Essentials (OSE) rule system

"A temple destroyed by divine wrath... An ancient, imprisoned evil and a powerful idol. Mysteries abound in the tombs below the temple of the Iron God, protector of the dead. Discover the dreadful fate of the Iron God's priesthood and the reasons behind their downfall in this intriguing adventure designed for low-level characters. Tomb of the Iron God covers a large catacomb area on two levels, with 58 keyed locations and six new monsters. This is a Swords & Wizardry (0e) dungeon crawl for four to five characters of 1st or 2nd level, by ENNIE-award winning author Matt Finch. The vengeance of an angry god, and treasures untold. The corruption and greed of the monks of the Iron God has brought divine vengeance upon their heads - the ancient monastery was recently destroyed in a cataclysm of fire and lightning, and only the tombs beneath remain intact. Somewhere in the catacombs lies the treasure the monks accumulated before they met their doom. An intrepid band of adventurers, willing to brave the perils of the unknown tombs, could gain riches beyond their wildest dreams. Do you dare to enter the burial catacombs and discover the chilling secrets of ... The Tomb of the Iron God?" Also available for 5E

A sinister demon Fledgling trying to become a mighty Nabassu lures the adventuring party to a dungeon with a cruel history. The dark walls of the dungeon holds more terrors than just scary monsters and deadly traps. Will the adventurers figure out that they are nothing more than the next meal before reaching the waiting demon of the dungeon?

The Cagewrights are defeated. The Tree of Shackled Sould is no more. Lord Vhalantru has been exposed and put down for the menace he truly was. The town of Cauldron has been saved from volcanic apocalypse. The heroes of Cauldron have earned their place in history, and more than deserve a time of rest, yet fate is not so kind. For the true menace behind the curtain still lives. As long as Adimarchus, the demon prince of madness, continues to dream his haunted dreams and writhe away the years in torment in the fiendish asylum of Skullrot, Cauldron can never be truly safe. "Asylum" concludes the Shackled City Adventure Path that began with "Life's Bazaar" (Dungeon #97) and continued with "Flood Season" (Dungeon #98), "Zenith Trajectory" (Dungeon #102), "The Demonskar Legacy" (Dungeon #104), "Test of the Smoking Eye" (Dungeon #107), "Secrets of the Soul Pillar" (Dungeon #109), "Lords of Oblivion" (Dungeon #111), "Foundation of Flame" (Dungeon #113), "Thirteen Cages" (Dungeon #114), and "Strike on Shatterhorn" (Dungeon #115). Pgs. 40-65

The heroes’ journey is finally at its climax. The evil god Tunkorl has just been freed from his prison and only the strongest and bravest mortals of the realm can defeat him before he regains full strength and throws the world in another dark age. However, the ultimate final fight will not be as straightforward as it seems when the party becomes trapped in a time dilated cross section of Carceri, struggling to get back to the real world and finish the job. Escape the Labyrinth is D&D 5e mini adventure for 3-7 characters of 20th level. This adventure is designed for a single 3-hour session which can be part of a special event, the end, or beginning of a campaign. The heroes go between fighting the big bad evil god (round by round) and trying to escape the mutliple layers of the Labyrinth of Futility a space-time dilated cross section of Carceri.

Orcus, the Demon Prince of Undeath, craves the power of the Raven Queen and mastery of death's domain. The key to his ascension and the secret to his destruction lies buried in the heart of the Abyss. As heroes chase Orcus into the abyssal depths, evil opposed them at every turn, and each victory brings them closer to their final fate. Concluded the epic series of adventures and the entire story line begun in Keep on the Shadowfell.

An ancient gate to the abyss lies undisturbed in the Valley of Obelisks. Sinister forces seek to reactivate the gate for their own ends, can the heroes stop them in time?

Centuries past, Lady Ilse ascended to scion of House Liis by trading the archdevil Mammon what he wanted most: her immortal soul – and a diabolical betrothal. The triumph proved hollow, for every year on the eve of her fell covenant, she was beset by visions of Mammon and her foul promise. Seeking to save herself, she was buried alive, swaddled in the holy symbols of a dozen divergent faiths. This desperate ploy held Mammon at bay for centuries…but a devil can afford to wait a very long time. After hundreds of years, the last of the holy wards has fallen. The devil has come to collect his due. Tonight a storm crashes against the ancient manor house and forgotten spirits rise from the muck and mire. The fallen belfry tolls once more, announcing the hellish fete. As the adventurers arrive to explore the Black Manse, Mammon calls for his winsome bride. He will leave with a soul at the end of the night. The only question is: Whose?

In “Rescue at Rivenroar,” the player characters must brave the depths of ancient catacombs in search of prisoners taken from the town of Brindol in a midnight raid. The hobgoblins, bandits that style themselves after an invading horde from long ago, have taken refuge in a dungeon under a ruined mountain fortress, and the PCs must clear them out to find the captive townsfolk and the treasures taken from Brindol. “Rescue at Rivenroar” also marks the first step in a great journey - the Scales of War Adventure Path, which spans 30 levels and put the PCs at the crux of events that shapes the world for centuries to come. While the scope of this adventure isn’t as grand, it represents the seed from which an epic tale will surely grow. Pgs. 4-45

Ranked in 2004 as the single greatest adventure of all time by Dungeon magazine, this is a compilation of three series of modules: the G series "G1-2-3 Against the Giants" (G1 Steading of the Hill Giant Chief, G2 Glacial Rift of the Frost Giant Jarl, G3 Hall of the Fire Giant King), the D series (D1 Descent into the Depths of the Earth, D2 Shrine of the Kuo-Toa, D3 Vault of the Drow), and Q1 Queen of the Demonweb Pits. The characters begin by attempting to stop giant raids that have become prolific. They find out that the giant alliance is caused by the drow. They then descend into the Underdark in order to find the drow and stop their sinister plan. TSR 9179

Few planes possess the raw malevolence of the Infinite Layers of the Abyss. It is a place of random violence, appalling cruelty, and pure, unadulterated wickedness. Here, unreasoning malice rules, and countless demons torture and murder for the joy of it. The Abyss is innovative in its wretchedness, with each fleeting moment birthing new and awful psychotic acts of utter evil. Those who brave its depths find no relief from its corrosive nature, nor respite from the cancerous seeds of evil blooming within all who tarry here; they find only anguish, pain and if they're lucky, sudden, abrupt death. "Into the Maw" is the ninth chapter of the Savage Tide Adventure Path, a complete campaign consisting of 12 adventures appearing in Dungeon magazine. For additional aid in running this campaign, check out Dragon magazine's monthly "Savage Tidings" articles, a series that helps players and DMs prepare for and expand upon the campaign. Issue #356 of Dragon magazine features an expanded list of strange and exotic magical items that could be purchased from the mercane merchants encountered during "Into the Maw." In order to rescue a friend, the PCs must sail into the Abyss and infiltrate a prison built by the Prince of Demons. Pgs. 48-85

Vault of the Blood Mage is a deadly one-shot dungeon adventure for 4-6 8th level characters. Player Characters find themselves locked in a dungeon room with no memory of how they got there. Inflicted with a magical disease that is slowly turning them into mindless zombies, the dungeoneers have to work quickly to find the antidote and escape the vault before succumbing to the deadly affliction. To do so, the characters must avoid deadly traps, fight unique monsters, and solve fiendish puzzles.

The Cage: A valuable trinket was stolen from the well-protected manor of the lady Morrigan Strange, and she enlists the help of some able-bodied adventurers to retrieve it. As it is the way of things, it turns out the problem is not as simple as it first seemed. A vile demon was trapped in the stolen orb and threatens to kill everyone in sight after its release! The package includes background information about the involved characters, a few details about the town of Beregost, several maps, and lots of adventure!

“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

In this town, nothing goes like clockwork. A voice in the darkness offered him power, with only one string attached: first he had to find some adventurers. A fiend and minions of the plane of fire have set up shop beneath a small town, and have been attracting evil minions to their lair! In this town of Jenkel, the religious leader (named Broderick) is secretly under the influence of the demon and has been doing her will out of his own greed for power. A tilted pyramid appeared in the town years ago, and is actually the tip of a tower buried in the town. The tower leads to a dungeon and a shrine where the party can fight off the demon and rid the town of the evil influence. Pgs. 18-31

After a riot erupts in the streets of Cauldron, the PCs must track down a missing paladin before the mob tears the city apart. The PCs try to stop an assassin during the riot and get invited to a meeting, where they are tasked to search for the missing paladin. After some investigating they will travel to Vaprak's Voice, an ancient Spell Weaver laboratory, at the edge of the Demonskar. In the dungeon they will find the "Starry Mirror", a puzzle/travel device through which they have to travel, to find the missing paladin. Part 4 of The Shackled City Adventure Path Pgs. 44-82