Villagers have gone missing! A mix of clues, superstitions, and omens point to the brooding citadel of the emerald sorcerer. This silent monolith has sat undisturbed atop a windy ridge for centuries. Legends say that a green-skinned sorcerer dwells there, where he conducts strange experiments and builds enigmatic machinery. His green-skinned constructs patrol the grounds of his citadel, and he is seen only rarely when he ventures out on nefarious errands that end in horrid screams and strange lights coming from his citadel. Now it is time to penetrate his inner sanctum…

Originally designed as a convention module, this adventure sends the heroes into the underdark to do battle against the mysterious denizens of the deep! A drow housemistress commissions the characters to acquire a mysterious weapon known to be in the hands of her dark elf enemies. Locating, identifying, and acquiring the magical weapon leads the heroes on a great trek across the underdeep, where they must battle svirfneblin, a powerful lich, and enemy drow. This adventure us specifically designed for play by drow characters, but can be used with any adventuring party. Pregenerated drow characters are included.

Remember the golden days of role-playing, when adventures were underground, NPCs were there to be killed, and the finale of every dungeon was the dragon on the 20th level? Well, those days are back. Dungeon Crawl Classics feature bloody combat, intriguing dungeons, and no NPCs who aren’t meant to be killed. Each adventure is 100% good, solid dungeon crawl, with the monsters you know, the traps you fear, and the secret doors you know must be there somewhere. In Idylls of the Rat King, goblin bandits are once again attacking the silver caravans, killing innocent miners and stealing cargo. The goblins have taken up residence in an abandoned mine northwest of Silverton. Someone must get rid of them. But this is no ordinary abandoned mine. It was deliberately barricaded generations ago when the Gannu family, founders of Silverton, discovered an unspeakable evil on its lowest levels. And these are no ordinary goblins, for the curse of the Gannu family courses through their veins…

In ages long past and best forgotten, the world was ruled by worms. Deep within dreaming jungles, and high atop monolithic temples, fell priests sacrificed the blood of man and his kith to the mammoth war-worms. One wizard would return the world to the rule of the worm. From deep within the blood-soaked earth, calling upon the spirits of the slain and blood of the dying, rising from the moldering bones of fallen warriors, the war-worms have returned. Their foul Mother – last of her kin – births more crawling horrors with every passing hour. The age of the worm is once more upon us. The call is sounded: Who will rise to purge the darkness?

An ancient cave, defended by ancient death traps and weird arcane seals conceals the antediluvian vault of an archlich whose reign predates recorded history. Undisturbed for untold eons, the vault now stirs thanks to the machinations of cultists who have meddled with secrets best left undisturbed... This module sends the heroes to an ancient cave occupied by cultists dedicated to the Mists of Madness. Defended by ancient death traps and weird arcane seals, the caves conceal an antediluvian vault, the resting place of an archlich whose reign predates recorded history in the Known Realms. Undisturbed for untold eons, now the machinations of the cultists and their eladrin master threaten to awaken the archlich, to dire ends that none can predict.

During a brief stop-over at a wilderness stronghold, a simple trip to a local provisioner reveals foul play! The shop has been broken in, and the shopkeeper is missing. But the place has not been burglarized. The heroes are thrust into an investigation. Clues discovered by the heroes’ hint at larger corruption that festers among the border lands surounding the stronghold. What sinister forces lurk beneath the keep?

The city is gripped in fear! The Ripper has returned after a 125-year absence and is once again carving a trail of blood through the slums of Millers Court. Also returned is the ghost of Mari Kell, his last victim from more than a century ago, and she haunts the streets where she was killed. The city watch is at a loss to solve this supernatural mystery, much less apprehend the Ripper himself. All the clues point back to the hovel where Mari Kell was slain long ago. If the heroes are brave enough to enter, will they find the Ripper himself there?

The Bunker transports the party from their starting hex to a destination 2 hexes away. It can be placed anywhere on the Purple Planet map that does not already contain a numbered encounter. It could be hidden beneath the fecund growth of the mushroom forests, lost in the broken lands, amid the Ancestor Peaks, or uncovered by a sand storm in the wastes.

Captured! While trekking across a trackless wasteland, your stalwart band has fallen into the clutches of a nefarious gang of desert raiders. Imprisoned in a subterranean chamber, you are bereft of all of your equipment and magic items, save for a few tattered loincloths. But as chance would have it, an opportunity to escape the cell presents itself. To escape, you must head deeper into an ancient sealed tomb, armed with nothing but your wits and anything you can find along the way. Getting to the surface is just one of many challenges, as you still need to recover your precious equipment, and flee the Lost Oasis, which is surrounded by an inhospitable sea of solid glass!

This adventure is intended for 2 to 3 3rd-level PCs originally from Lankhmar, but can easily be adjusted to accommodate adventurers from other locales. Guidelines are also provided for scaling the adventure for up to six PCs. The events of this adventure lure the party from their home in the City of the Black Toga to an abandoned watch tower on the coast of the Inner Sea, not far from Ool Hrusp. After completing this scenario, they may find reason to further adventure in the Forest Land.

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?

A member of your gang awakens in an alleyway with foggy memories of a deal made, a job taken, a partner slain, and a heist planned. They struggle to remember the details, but you all agree that breaking into an abandoned temple should be a simple matter – in and out. Yet the heist is on a collision course with something sinister. What begins as an easy job becomes anything but, as you confront cultists, vengeful spirits, and the servitors of a long-forgotten god. While seeking an easy score, you uncover a plan to strike a blow into the heart of Lankhmar, and no one is safe from the blasphemous plot. A choice needs to be made. Will you stand with the city, or risk letting it descend into chaos? Curse the gods of Lankhmar for their cruel joke that, in the shadowed alleyways of Lankhmar, there is no such thing as a “simple matter.” Officially licensed from the estate of Fritz Leiber.

Summoned by a coven of foul witches, the adventurers are bid through the Black Gate and across the multiverse, in pursuit of the crown of the fallen Horned King. There, in the icebound gloom of Thrice-Tenth Kingdom, they must pit their wits and brawn against his dread servants. His sullen citadel looms above the darksome woods and elfin ice caves, ruling over the mystic kingdom. Do you dare to ascend the throne of bones and declare yourself master of the Wild Hunt? Whatever your answer, the land beyond the Black Gate is sure to present a grim challenge for the even the hardiest of adventurers!

It has been years since the last virgin was sacrificed: and now the pit beast awakens once more! Every generation it stumbles forth on undulating tentacles from its resting place deep below the great ravine, its towering blubbery mass ravaging the land before returning to slumber for decades. But this time is different. The Great Beast strikes with intelligence: bands of faceless gray-robed men emerge from the tenebrous depths, herding the beast’s roaming tentacles before them. The enigmatic people of the pit live despite the passage of ages! The earth shakes each night as they herd the primordial tentacles ever further, while the villagers ask: is any man brave enough to put the sword to this menace?

Unlike other Dungeon Crawl Classics, this volume does not present a completed adventure. Instead, it presents a set of DM tools that will make your job easier. This book of dungeon geomorphs gives you everything you need to map out exciting underground adventures. The geomorphs are modular map segments designed to be combined in a variety of ways. There are 124 map segments, encompassing mazes, dungeons, underdeep caverns, monstrous lairs, castles, ruins, halls, and many other intriguing places to explore. Together they combine to make thousands of possible maps!

Lady Elisabeth Pendour beseeches the heroes for their help. They must recover a key that was on her husband’s body when he perished trying to clear an ancient tower. The tower was once a coastal fortress, but now it lies in ruins, occupied by black-feathered rook harpies who worship a foul carrion crow demon. Lord Pendour sought to free his subjects from fear by clearing the rampaging rooks from their nests. But he failed, and unless the heroes can recover his body, the crow god will come for his wife, too…

For as long as men remember, the Lord of Evil Amphibians carried out unspeakable rites in his squatting temples situated far from civilization. Tales of human sacrifice, squirming servants, and rich but loathsome treasures were whispered of his followers. Now, unexpectedly, his servants have seemingly vanished, leaving behind their fanes to molder in the marshes. A brave band of adventurers gathers to explore one such tabernacle, eager to discover what riches—and terrors—the Lord of Evil Amphibians has left behind…

For a thousand years Mezar-Kul has known only war, and now the Overlord reigns supreme. From his gargantuan metal fortress he rules the blasted remains of the planet’s last city. Hope seems lost – until visitors arrive from a distant world, bringing uncanny, magical powers. Your adventurers must pick a path through twisted ruins, ancient missile silos, strange monorail systems, and a conflict with four deadly factions to save a world – or destroy it! Note: This adventure does require that the party have some access to spell casting, whether through an item or class that requires a spell casting roll.

Heroes and blackguards of every stripe will find peril on the Purple Planet, but none more than 0-level PCs. Cast across the cosmos, surrounded by hordes of baying man-beasts, and marched into mass gladiatorial combat, the PCs' death waits with bated breath. Their sole hope for escape lies – not in pitched combat against endless hordes – but by braving the unknown and pressing into the darkness beneath the Purple Planet.

While investigating rumors of a dangerous blue dragon wreaking havoc in the deep desert, the heroes tumble under the sands into the magically sealed dome of an ancient palace. The temporarily weakened dome reseals above them, and they are left to explore the golden palace of Zahadran, once seat of power for the legendary Caliph Ardishir the Magnificent. But the dome is weak because it has been assaulted by the mythical storm demon Azi Dahaka and his trapped minions, evil creatures that were sealed under the magical dome to keep them from ravaging an unsuspecting world.