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!

"...the Ultimate Campaign Adventure..." A sinister force, long thought destroyed, stirs from the black hole that spawned it. Like an ebony darkness it prowls the land and safety is but an illusion, for it watches from every shadow and ponders possibilities. What began years ago with the introduction of the players to the quiet village of Hommlet and the amazing lands of Greyhawk, at last is complete. Here is the long awaited campaign adventure featuring the ruins of the Temple of Elemental Evil! Evil broods and grows beneath those blasted stones. This is your chance to drive it back and scatter its forces again. This product includes the village of Hommlet, the filthy shire of Nulb, and reveals the ruins of the Temple of Elemental Evil and the labyrinths that lie beneath, a warren of darkness. And beyond these ruins, even more is revealed. For the first time this product provides a complete campaign adventure which will take beginning characters from 1st all the way to 8th level and possibly beyond! Hours of adventure await you! TSR 9147

To a wizard, knowledge is power, and the wizard Lirdrium Arkayz wants to know the mysterious secret of The Rock. Many have tried to discover it - but The Rock keeps its secret well. The wizard offers a rich reward to anyone bold enough to solve this dark mystery. But the road to The Rock leads to danger and hidden peril - dangers that have claimed the lives of many brave adventurers. Rashness and folly will lead to quick death, but riches await the clever and brave. Have you the wits, courage and skill to survive the Journey to The rock? TSR 9106

The Cult & the Tribe Lizards and Goblins and Demons, Oh My! DUNGEON MODULE T1: THE CULT & THE TRIBE Goblins weilding magical blue fire are attacking the peaceful lizardfolk in the swamps near Timbertown. They've come to the humans for help, and Baron Ferrand needs heroes to head into the swamp and find out what's happening. As if that wasn't enough, demons are roaming the countryside, summoned by cultists of the Fraternity of Tharos, one of whom is secretly an important person in the town. Can you help the lizardfolk and keep the town safe?

Caravans are having a difficult time getting through to Parnast via the Black Road. Organized attacks by orcs and other monstrous humanoids working in concert with one another have folks baffled. Little do they know that an unusually intelligent hill giant, going by the name of Bad Fruul is to blame. SEER has sent her emissary Hsing, to task your group to accompany a caravan with a very special cargo destined for the Shrine of Axes in Parnast, and to figure out who is responsible. A Two Hour Adventure for 1st-4th Level Characters

Throughout the land, legends of the Dusk Queen persist. They speak of a sometimes kind, other times cruel, yet always mysterious fey queen who ruled from her Dusk Tower—a tall spire of smooth, dark stone in the heart of a great, shadowy forest. Perhaps the most gripping legends, however, whisper of the Dusk Queen’s sudden and mysterious disappearance. Also available in 5e format.

"A great cat sits upon the northern grasslands, my friend, waiting to pounce on adventurers just like you." As you part the tall grass with your sword, the words of the tavernkeeper echo in your head. "He was the mightiest wizard we'd ever known, and that Lion Castle was his home." Your friends' voices mingle with the tavernkeeper's. "He's but a ghost now, haunting those halls, and waiting for an heir." The ground rises slightly. A strong wind rushes through the field. Suddenly, the grasses part, and Lion Castle rises majestically before you! "Magical riches await those who enter!" "Beware of man-beasts!" Voices flood your head again. Will you brave the haunted castle? Can you afford not to? It's all up to you in this D&D Solo Adventure. Ghost of Lion Castle is for one player only, but that one player makes all of the choices and enjoys all of the rewards. An entire castle and courtyard await your exploration. The adventure also includes a complete solo combat system. TSR 9097

Anandak, a red dragon, has taken over an abandoned dwarven stronghold as his lair. He has also assembled together a rough confederation of monsters to act as his bodyguard. Anandak is preparing to enter into an alliance with the Black Prince, the March Lord Draven. The plan is for Anandak's monster allies to terrorize the lands north and east of Knacker Knob while the Black Prince, on pretext of marching to the aid of Knacker Knob, take control of Knacker Knob and the surrounding region. An emissary from the Black Prince, Lord Gonzaga, is currently in the dungeon, and he is in possession of papers that might reveal the Black Prince's treasonous plot. The lair is horribly overcrowded because monsters of all tribes and gangs are gathered to take counsel with the red dragon. Monsters are sleeping in the hallways because there is so little room, and the antagonism between races is at flash point. The PCs may be able to fan these resentments into intermonster battles. League of the Red Serpent is the third dragon's lair to conquer. Part of TSR 1073 The Dragon's Den

A strangely delivered advertisement has led you to a sage named Demetrios. He needs a rare component to complete a desperately needed potion. The journey to retrieve it will take you through a large, unexplored swamp to a ruined keep, the former headquarters of a vile cult that once claimed the lives of many innocent youths. You cautiously accept the mission... To solve the mysteries of "Baltron's Beacon," the characters must excel in handling wilderness, building ruins, traps, puzzles, and new monsters. This adventure, originally designed for tournament use, is now available for your own campaign. TSR 9152

Delve into ancient ruins of civilizations past in this one-session adventure for 4th level heroes of the world's greatest roleplaying game! The Corwyn Catacombs is a one-shot adventure that sees characters delve into ancient ruins of a precursor civilization to rescue citizens of Corwyn and keep the village safe from harm! Will the heroes succeed in vanquishing the evils that lurk within? Or will they meet a grisly end, to rise again as servants of the undying Chiran Empire? Published by Animancer

The Dread of Dynwel is an adventure set in the Forgotten Realms and optimized for 4-5 players. The characters start as a down on their luck but somewhat experienced crew of adventurers with a wanted poster which pays a much-needed gold reward. Soon, events in the Sunset Vale are revealed as more dangerous than they seem, sweeping the characters along with them. From the heights of the Sunset Mountains, the alleyways of Scornubel, and depths of the Reaching Wood: The Dread of Dynwel covers levels 2 through 8 and features material which can be played as a full campaign or dropped into an ongoing one.

The Cult of the Dragon has come to Phlan, a lawless refuge on the Moonsea. Now, with no significant authority to stop the cult, other power groups in the Realms--the Harpers, Order of the Gauntlet, Emerald Enclave, Lords' Alliance , and even the Zhentarim--must untite to stop the cult from fulfilling its dark purpose in the city. Join the fight by participating in any one of five different missions aimed at stopping the cult.

A small band of centaurs have seen their water source fouled by unknown magic. When word of their plight reaches the party, they embark on a day's travel to the centaur camp. Along the way, they encounter injured wildlife and panicked bugbears. Terrifying storms beset the region, raining down acid and oozes. Agreeing to investigate the small corrupted lake, the adventurers discover a long buried evil has awakened—bringing with it oozing undead. The party must navigate the wilds, face the ooze storms, and confront a reanimated warrior who betrayed her god.

Tristan Harpell, a self-centered though likeable young mage, has bought a magic village! A month ago he sent his servant off to take possession of it, and he's heard nothing since. Our heroes are sent to investigate - and find an adventure unlike anything they've experienced before...

A scenario for a party of 4th-7th level adventurers You've earned quite a reputation as fearless adventurers, the sort who take on anything. But what happens when you come face-to-face with the challenge that bested the greatest adventurer in the whole Kingdom? Can you succeed where Feyr-Panniras failed? Can you find what has turned his friends against the Kingdom? And, more than anything, can you survive against the power of the New Gods?

Under the Temple Crypt is the first in a series of site-based, Swords & Wizardry** compatible, “micro modules” that can be dropped into just about any campaign (especially a sandbox-style campaign). No underlying story-hook or rationale for exploring the site is given here. This dungeon assumes that there is a temple somewhere with a mysterious walled-in doorframe in the basement crypt. The walled-in doorframe predates the temple itself and leads to ancient subterranean structures that hint of an older civilization as well as an expansive underworld.

Giants have been raiding civilized lands in bands, with giants of different sorts in these marauding group. Death and destruction have been laid heavily upon every place these monster have visited. This has caused great anger in high places, for life and property loss means failure of the vows of noble rulers to protect the life and goods of each and every subject--and possible lean times for the rulers as well as the ruled. Therefore, a party of the bravest and most powerful adventurers has been assembled and given the charge to punish the miscreant giants. Remake of the original series of AD&D adventure.

The valley of Haven was a peaceful land. Its crops were abundant, its citizens prosperous. Elves, Dwarves, Halflings, and Humans lived together in harmony. Hidden away in the heart of the Thunder Mountains, Haven was a safe place to live. The rivers were sweet and pure; the weather was pleasant and warm. Something terrible has come to pass in Haven - terrified refugees speak of a fabulous ruby uncovered in the mountains and a catastrophe that befell the palace. Whatever the cause, Haven now lies in chaos. Raiding bands of orcs, goblins, and hobgoblins terrorize the countryside. The disaster happened so suddenly that the citizens are confused and helpless. Without their leaders, who are trapped in the palace, they have no courage to fight back. The situation has become desperate. TSR 9044

A storm of unparalleled fury has been ravaging the peaks of the Earthspur Mountains for a tenday, and the Monastery of the Yellow Rose sits in its eye for now. Some monks have fled the monastery to the safety of Mulmaster and beseech you to convince their more obstinate brothers to retreat to the city before the eye of the storm shifts, and the monastery is in terrible danger. Can you brave the elements and convince the monks to escape? An eight-hour adventure for 5th-10th level characters.

Hundreds of years ago, the elves and goblinkin fought for control of known space in the Unhuman War. The elves emerged victorious and the goblinkin were driven out to lick their wounds an plot revenge for another day. That day has come. After centuries of plotting and building, a new race of advanced orcs known as the scro have rallied the goblins, hobgoblins, and kobolds. It is only a matter of time before they infiltrate known space to wreak destruction on the inhabited planets. The elves are looking for a few good adventurers to infiltrate a scro base and steal any information valuable to the war effort. Your PCs are offered the chance to become heroes?or die trying. Goblin's Return is a 64-page adventure set in the second Unhuman War. The first of a two-part module series, it can later be linked with Heart of the Enemy or it can be played as a stand-alone adventure. TSR 9347