This adventure is the ninth part of the Shackled City Adventure Path that began with "Life's Bazaar" (Dungeon #97) Wherein a group of diverse and talented allies learns the folly of not working together against a common foe.

In order to stop a series of devastating giant raids, the party must venture into the stronghold of the frost giant jarl Grugnur to both recover the giants' plans and eliminate Grugnur, who is the tactical head behind the operations. The adventure is part of the "Against the Giants" series originally by Gary Gygax, hence the writing credit.

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 longest, and perhaps strongest, AD&D adventure we've ever done." The fabled Mace of St. Cuthbert has been lost from the sight of both human and demi-human for many centuries. Some claim it lies at the heart of an active volcano, guarded by salamanders and flowing lava; others swear it lies buried deep inside the earth, warded by powerful magics raised by those who would see its power denied to the forces of Law and Good. A few assert that it has never left the possession of the Saint, and even now he holds it in his strong right hand. But a few claim that none of these are so that long before the Sainted Cuthbert rose to his exalted station, his mace was hidden away from those who would steal it before he returned for it, hidden away outside the bounds of normal time and space, in a place so outlandish that the Mace's power and destiny would be unknown and unknowable, and thus safe. Pgs. 45-54 & 56-57 & 59-68

Your party of stalwart heroes must venture into a lost dwarven mining complex, fighting terrible monsters, bypassing deadly traps, and exploring chambers heavy with the dust of ages. Somewhere deep below the surface lies the heart of darkness--a corrupting evil that must be stopped before its influence can spread! TSR 9844

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

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

A traditional "funhouse" dungeon, White Plume Mountain begins with the archmage Keraptis stealing three artifacts and leaving cryptic poems with their former owners. The players are hired to recover the items, and find a bizarre dungeon in the side of the eponymous volcano. TSR 9027

In Heart of Nightfang Spire, the player characters are drawn to investigate Nightfang Spire, a lonely stone tower in a barren land. The vampire lord Gulthias, servant of the great dragon Ashardalon, has returned to the tower which was once the main cult temple of Ashardalon. The vampire prepares for the dragon's return by awakening the other cultists who had preserved themselves as undead creatures. Gulthias is a vampire and a level 13 wizard.

Not even memories of past glory live on in the gentle hills around the village of Kusnir. Today its people have more concern for commonplace things, like the harvest, trade, and the threat of death in the night! Kusnir is beset by a skulk. The attentions of such a creature are a curse on any community. Streets and alleys which ring to the voices of children by day become fearful, shadowy places by night. Men go abroad armed and in groups, while women and children stay behind locked doors and even there are not safe. But life goes on. The lot of the peasant is always hard, what cannot be prevented must be endured and, of course, things could be worse. Much worse. The skulk has begun to visit the village more and more often. Sometimes it kills, yet just as often it spares a victim, leaving clear signs of what it might have done had it wished. Its visits are now marked by strange and illegible symbols scrawled in blood on the walls of the buildings. The people are worried, helpless, and desperate. Desperate enough to welcome adventurers. UK2: "The Sentinel" (1983) is the second UK-series adventure, the fifth TSR UK adventure overall, the first solo effort by Morris, and the first half of the two-part Adlerweg series (whew!). It was run as a tournament at the GamesFair '83 Open, then published later in 1983. TSR 9101

The Lost Tombs, Volume 3 The Doomgrinder, a mysterious stone windmill many leagues east of the City of Greyhawk, has for centuries been a source of rumors, frustration and fear. The rumors say that vast treasures are stored inside-all cursed. The frustration belongs to hundreds of adventurers who over the years have attempted to enter the windmill and failed. The fear is felt by those who believe the world will end when the stone sails of the Doomgrinder turn again. In the City of Greyhawk, powerful spellcasters read bad omens for the future, and the Doomgrinder is part of them. Some see no future at all, good or bad. TSR 9581

A horrific drug has seized the population of the strange city of Exag, yet confronting its source only reveals the true extent of a dire new threat. Part one of the Seeds of Sehan campaign arc, this is a D&D adventure for 8th-level characters.

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

Fleeing the rage that consumed their feuding families, Juliana and Orlando fled to the Cave of Echoes, where it is said every wish is granted. Two years have passed, and all attempts to return the lovers to their parents have failed, though some believe them lost in the enchanted garden beyond the cave. Many are the rescuers venturing into that enchanted park; a few have returned after long absences, their minds and memories curiously disturbed. Now, the handsome reward offered for the return of the lovers has tempted you, but who knows that lies beyond the Crystal Cave? TSR 9066

The Wells of Darkness is the seventy-third layer of the Infinite Planes of the Abyss, a prison used by demon lords and a graveyard for creatures the multiverse would rather forget. Imprisoned in one of these wells is Shami-Amourae, the Lady of Delights. This minor demon lord and former consort of Demogorgon is one of the few beings who knows the true secrets of Demogorgon's twin personalities and his plot to reconcile them, thereby growing immeasurably in power. "Wells of Darkness" is the tenth chapter in the Savage Tides 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 "Savage Tidings" articles, a series that helps players and DMs prepare for and expand on the campaign. Issue #357 of Dragon magazine features rules for three new binder vestiges connected to the imprisoned demons within the Wells of Darkness. The Prince of Demons hides a secret, one that could well be the key to stopping the savage tide. Yet the only one who knows this secret is imprisoned on one of the most notorious realms in the Abyss. Will the price for rescuing her be too high? Pgs. 52-84

If the PCs are to avert the Age of Worms, they must invade the heartland of Kyuss' power, the Wormcrawl Fissure, and destroy one of the world's most powerful dracoliches before the Wormgod awakens. "Into the Wormcrawl Fissure" is the eleventh 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. Issue #343 of Dragon presents statistics for some extraplanar entities the PCs may wish to call upon to aid them in the Wormcrawl Fissure. Pgs. 54-89

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

Lost Laboratory of Kwalish explores an alternate expedition into the Barrier Peaks. The legendary inventor disappeared in the peaks eons ago… as it turns out, finding a crashed planar ship and studying its technology to fuel his own experiments—only now, Kwalish’s lost research is desperately needed! This adventure explores two locations within the Barrier Peaks, and includes new monsters, magic items, and spells, plus sci-fi trinkets, random encounters, and even rumors of the area submitted by the player community! Further featuring new art, maps (from Claudio Pozas), and even a cartoon (from Jason Thompson)—as well as the famed suit of powered armor, as edited by Jeremy Crawford on the Dragon+ livestream! Best of all, all monies that Wizards of the Coast receives from sales of this PDF are donated to Extra Life. Your purchase of this adventure goes to a truly great cause!

This module was originally used for the AD&D Tournament at Origins '79. Your party is lost! You should never have abandoned the ship and struck out into the marshes, but your pursuers were closing on your trail, and it seemed the only way. Stumbling onward through the fens, your party makes for higher ground ahead. As you cross the ridge, you see a clearing before you. There in an ancient ruin - a worn and overgrown pyramid fills the courtyard, shining in the moonlight, seeming almost brighter than the moon itself. TSR 9032

A Ravaged Land... Villains that really are larger than life... A time for heroes... A decade ago, the land of Geoff was overrun by a horde of giants, ogres, and evil humanoids, its people either slain, enslaved, or driven into exile. Now at last the tide has turned. The time to free the people of Geoff from their servitude to the giantish tyrants has come! But don't forget to watch your step when you confront the true masters behind the giant Clans! Contains the full text of three classic adventures by Gary Gygax: G1, Steading of the Hill Giant Chief; G2, The Glacial Rift of the Frost Giant Jarl; and G3, Hall of the Fire GIant King. Details Eighteen new encounter sites in the war-torn land of Geoff, linked together to form a grand campaign. Provides dozens of hours of gameplay as the heroes struggle to free an entire country from the grasp of giant overlords. TSR 11413