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…

The cries of battle echo in the rustic wilderness, as a pair of fey sisters defend the ancient Briarwood against invaders. When the town of Bur Hollow sends militia men to support their fey allies, they disappear without a trace. The adventurers must enter the Briarwood and save them!

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!

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 centuries, the Great Swamp has hidden hints of an ancient culture of barbarian kings. While passing through this miserable bog, the PCs encounter Stygoth the Damned, a half-dead black dragon driven mad by a mysterious disease. Delving further, the heroes discover that the disease is tied to the very swamp itself. A great corruption once infested this place, destroying the savage barbarian kings and leaving only mighty statues as their legacy. Now this corruption has returned, and a terrible Witch Queen is mining the corrupted swamp-earth to produce evil, blighted artifacts. In order to stop the spread of these evil weapons, the heroes must enter the ancient caves of the savage kings, put to rest the corrupt legacy of their downfall, end the disease that scars the land, and then face off against the Witch Queen herself.

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…

In this adventure, the coastal village of Fair Haven needs the characters’ help. For decades, Fair Haven has relied upon its lighthouse to guide merchant vessels into port. But on a recent stormy night, the lighthouse suddenly failed. The trading ship Nymph’s Kiss was dashed on the rocks, and smugglers have already raided the wreck. Somebody has to restore the lighthouse, but the locals are afraid to go near because it shows all the signs of being haunted. Yet there might be more to the story, since there’s something living in the sea caves below…

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?

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.

Awash in a sea of phlogiston, three wizards battle for mastery of reality! But with each new day all gains are lost and the game begins anew. It is up to the adventurers to upset this ancient balance, winning free of the shrinking demi-plane before all is reduced to the roiling stuff of raw Chaos! Will you strike a bargain, swearing fealty to one of the fell masters? Or will you attempt to master your own fate, pitting your luck and skill against arcane foes? Whatever you decide, you must act quickly, for gray worms press in from all sides and time grows short! An exploration-based adventure for 2nd level PCs, Fate's Fell Hand challenges new and old players alike. Only the most cunning of PCs can hope to thwart the machinations of three dire wizards and escape Fate's Fell Hand!

After arriving at a seemingly abandoned trading post, the heroes discover to their horror that all the inhabitants have been transformed into black trees! Upon further investigation, they find clues that lead them to the hidden lair of Nockmort, a treant gone bad. Nockmort has been transformed by the strange radiation of a meteorite he discovered, and now he is a terrible force of evil. The characters must enter his sunless garden to save the town. And along the way they just might discover fabulous treasure...

When the heroes come into town, word arrives that a nearby cloister of the god of valor is under siege by an army of undead. The adventurers travel to help defend the bastion of paladins, only to discover that these undead are actually ancient enemies of the paladins’ order. They have discovered a way to exact vengeance for slights committed centuries ago, but to finish their plan they must breach the cloister’s catacombs! Can the heroes battle them to the catacombs and defeat their horrific blackguard champion?

The adventurers have been summoned to a mysterious black tower made of glass. They are given a simple mission: protect the mage’s estate while he is distracted weaving a mighty spell. Surviving the five days of his spellcasting requires quick wits and sharp blades, for the estate has mischievous guests and strange visitors. In the end, the mage demands one final task: stand by his side as he binds a great horror from beyond!

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.

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.

The village of Dreigrenzdal has an enormous problem! On the morning of the town’s annual Spring Market Festival, the chieftain of a clan of neighboring stone giants is found asleep in the town square. When all attempts to awaken the giant fail, the characters must venture into an enchanted grove called the Cradle Wood to search for answers. There, they are caught up in an ancient feud between a hag named Goodie Grimjaw and her wicked sisters. Can the heroes help Goodie maintain the sorcerous ritual that keeps her evil sisters in check? Or will the party fall prey to the machinations of Goodie’s cursed elder sisters, Gertie and Grizzie, and their steel-toothed, construct minions?

The Lady in Blue, a mysterious figure of cosmic power, enlists a band of simple peasants for a strange task. They are to follow an invisible bridge until they arrive at a hole in the sky – and then jump through. Death awaits all but the bravest, strongest, and luckiest, but the Lady offers a reward beyond all the riches of the world: the chance to change the very stars these peasants were born under, and thus change their destiny.

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?

In this all-new adventure, the characters acquire a treasure map tattooed on tanned human skin. It shows the location of famed pirate Bloody Jack’s last haul, where hundreds of thousands of gold coins lie waiting to be taken. But exploring his long-abandoned island hideaway isn’t as easy as it first seems. Bloody Jack didn’t leave his treasure unguarded — and the best way to keep the undead legions well-stocked is to lure treasure-hunters to their death…

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!