Visit the Abyss. Meet Demon Lords. Kill Everything. In the heart of the Demonweb, Lolth surveyed the Grand Council Chamber and the demon lords assembled by her invitation. Throaty growls indicated a dispute amond Yeenoghu's pack. Obox-ob's insect swarms chittered while Demogorgon ranted from the central podium. The other emissaries seemed restless. Across the hall, Graz'zt met Lolth's gaze and smiled. The demon queen shivered with a tingle of foreboding This Dungeons & Dragons adventure takes characters from the planar city of Sigil to the darkest corners of the Outer Planes, gathering resources to battle the forces of Lolth, Demon Queen of Spiders. The player characters must navigate a carefully spun web of treachery and deceit to reach the violent heart of Lolth's domain and put an end to her sinister dreams of conquest. This campaign adventure is designed for characters of levels 9-12 and features an easy-to-use combat encounter format and player handouts. This book also presents new prestige classes and magic items for player characters. For use with these Dungeons & Dragons core books: Player's Handbook, Dungeon Master's Guide, Monster Manual.

In the city of Waterdeep rests a tavern called the Yawning Portal, named after the gaping pit in its common room. At the bottom of this crumbling shaft is a labyrinthine dungeon shunned by all but the most daring adventurers. Known as Undermountain, this dungeon is the domain of the mad wizard Halaster Blackcloak. Long has the Mad Mage dwelt in these forlorn depths, seeding his lair with monsters, traps, and mysteries—to what end is a constant source of speculation and concern. This adventure picks up where Waterdeep: Dragon Heist leaves off, taking characters of 5th level or higher all the way to 20th level should they explore the entirety of Halaster’s home. Twenty-three levels of Undermountain are detailed herein, along with the subterranean refuge of Skullport. Treasures and secrets abound, but tread with care!

Stormcrow Company—an unsavory band of adventurers—haven’t been seen or heard from in years. Rumors of their accumulated wealth have spread far and wide, and if they have truly been slain, that treasure is just waiting for adventurers to come and collect it. But is anything ever as easy as it seems? Pgs. 10-28

Introductory adventure to the 3.5 system for up to four 1st level characters. The adventure takes the party through a typical dungeon setting, leading to the lair of a Young Blue Dragon.

Operating as secret agents for the Lords of Waterdeep, a promising lead takes you deep into the world of the Xanathar, but what will it take for you to return?

A cold winter wind blows from the Scourge Mountains, but its origins are not of this world. And with it come horrifying stories of a fey who walks the land. Cold, beautiful, and deadly, she turns every mortal she touches into a statue of ice, and she seems determined to blanket the entire north in a blanket of frost. It is the Winter of the Witch…and if the archfey Koliada is not stopped, it could be the world’s last. “Winter of the Witch” starts with the PCs receiving an urgent but somewhat cryptic message from the skeletal knight, Sir Keegan. They find the skeletal knight a helpless victim of an aggressive interrogation by an undead minion of Orcus and his demonic thugs, who are attempting to extract the location of something called the Sun’s Sliver from the stubborn knight. The PCs fight their way into deep ruins, defeat the demon lord’s toadies, and retrieve the Sun’s Sliver. Once the PCs have recovered the Sun's Sliver, they must confront the Winter Witch in Winter's Heart, the witch's icy sanctum in the Feywild. Only there can they confront the cold-hearted archfey and save a section of the world from a wintery doom.

Agents of the fire giants of Maerimydra, a city in the Underdark, have overtaken the drow outpost of Szith Morcane. The factions seek out adventurers to free the outpost’s leaders for questioning on the giants’ activities. Can you extricate them before it’s too late?

A Mulmaster refugee named Ani Kuleimatt discovered references to a forgotten mine near the Moonsea, a mine rumored to produce an unexpected export. The adventurers are hired to locate the complex and secure its resources for the Mulmaster Diaspora.

The Approaching Swarm is a short adventure for four 9th-level characters. The party can consist of any mix of classes, but it should include at least one character that is good in wilderness settings, such as a druid, ranger, or barbarian, and at least one cleric. This scenario should prove a reasonable challenge for characters from 8th to 10th level. The adventure takes place in a swampland that is near a small settlement. The adventurers have located the secret lair of Aleretheral, an insane half-orc druid with mastery over vermin. He has been breeding and training monstrous vermin to defend his territory. With the adventurers invading his home, he will do anything he can to protect it.

Deep in the jungles of Xen'drik, a relic of great power has lain hidden for thousands of years. Now, determined adventurers race against time and the nefarious agents of the Order of the Emerald Claw to locate the relic, overcome unimagined obstacles, and unlock its ancient secret. The Order's hunt for the parts of an ancient creation pattern nears its conclusion, but other groups also seek this powerful item. Once all of the pieces come within close proximity of each other, the ancient intelligence awakens. Suddenly all parties have a new and powerful enemy to contend with...

A pall hangs over the frontier town of Wellspring, casting this once-vibrant place into corruption and death. Strange people stalk the streets and unexplained murders occur each night. Nagging fears that more horrors will spill forth from the Kadagast Mountains instill a pervasive paranoia within the townsfolk. Suspicious people watch their neighbors, and temple attendance has never been higher. Folk keep to themselves, hiding in their homes. They avoid darkened streets, lock their doors when night falls, and shutter their windows to close out the screams and shouts echoing in the dark. If the grim threats pressing the town are not stopped, the fl ame of Wellspring might very well flicker out.

A band of evil fey, led by a corrupt bralani, has raided an eladrin city and kidnapped several respected elders. The fomorian king claims the rogues don’t act on his behalf, but the eladrin city threatens the fomorians all the same. To prevent war, the PCs travel through the Underdark of the Feywild—a wondrous place filled with the beautiful and the horrifying—in search of the evil fey and their captives. Pgs. 96-101

The Cloaks of Mulmaster have taken an interest in your progress, and may be looking to sponsor adventurers for future work. You’ve been offered an interview with one of their ranking members at the Theater of the Stars, but you never know what to expect in the City of Danger. A four-hour adventure for 1st-4th level characters.

Laveth, Lolth's half drow daughter, is plotting to seize power from her chaotic evil mother.

The search for a missing paladin takes the PCs deep into the heart of a frontier torn apart by cult wars—and face to face with an ancient evil. The paladin Jaryd set out to find and destroy the Hand of Naarash. He was never heard from again. Now the PCs must retrace Jaryn’s steps across the harsh wilderness and determine what has become of the noble warrior. Pgs. 29-59

Barovia has long suffered under the rule of Count Strahd von Zarovich, but the evil that plagues this land extends well beyond the walls of Castle Ravenloft. See what keeps the good citizens of Barovia awake at night.

You will take up the mantle of heroism in a grim world where simple survival cannot be taken for granted. These heroes will shape the world of Athas while they grow in power and prestige - or die trying. Your character has been asked to aid a secretive faction of the Veiled Alliance in the Free City of Tyr against an unknown assailant. Ashes of Athas is a 4e D&D campaign set in the world of the Dark Sun campaign setting.

The End of the World Is at Hand! A hideous death cult has seized control of an ancient artifact-monument known as Tovag Baragu. The power behind the cult is the Old One himself, Iuz the Evil, demonic master of an empire. He's on an all-or-nothing quest for supremacy over the world—and the heavens beyond. To stop him, heroes must face horrors never dreamed of, journeying to a shadowed city where Death rules and the living cower. Here, Iuz will achieve his mad dream by destroying the imprisoned master of that alien citadel: Vecna, the mightiest lich, an immortal demigod. Two items exist with the power to stop Iuz—the Eye and the Hand of Vecna—but using them carries fantastic risks. Not even the gods know what will be unleashed when these items are fully activated. Die Vecna Die! takes the heroes from the Greyhawk campaign to the demiplane of Ravenloft and then to the Planescape city of Sigil. However, none of the material from those settings is required for play. TSR 11662

Kingdom of the Blind is a short adventure for four 8th-level characters. The adventure is set in a minor duchy that is fairly removed from the ruler of the land. As a result, trouble can brew in the land and the king would not know immediately. The PCs faced all manner of fungus last time. Perhaps with a little more investigation, they'll discover what's really going on with Zhanna and Dephyl.

Elanil Elassidil, an elf bard of no small legacy, has put out a call for trustworthy agents. It is time, it seems, for a quietly hidden piece of elven history to become known to the world. Meira Faerenduil, lost knight of Myth Drannor, has been dis-covered, and must be brought back to civilization. A four-hour adventure for 5th-10th level characters. **NOTE** As of August 30th this adventure no longer grants an Oathbow in Adventurers League play. It has been changed to award a +2 Longbow per the Adventurers League Content Catalog.