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!

This couldn’t get worse. The key you are searching for has fallen into the hands of the eye tyrant of Skullport himself. Now you just need to rob Xanathar without getting disintegrated. Part Three of the Skullport Shakedown trilogy. A 2-4 Hour Adventure for Tier 2 Characters. Optimized For: APL 8

Travelling long distances is the constant lot of the adventurer. This time, their quest will take them across the sea, and deep into the interior of a country they know little about, to retrieve an artefact stolen by one bunch of clerics from another. Now, we all know that meddling in the affairs of the Gods can be a hazardous affair, but this time the Gods haven't been worshipped for hundreds of years, and their clerics slaughtered each other in a great battle back in the distant past. Maybe this is that adventure we've all been waiting for, where the treasure is just sort of sitting there, and all we have to do is go and get it... A complete 40-page adventure, with stats for the D&D/AD&D games, and background information to use with the Pelinore campaign.

The Forbidden Book - Caverns of Kehill is easy to implement in any setting and provides tools for real player motivation, interesting NPC interaction, exploration and meaningful combat by context and engaging situations. This adventure can be run in one session. The Forbidden Book is an old demonic artifact, that was destroyed and is manifesting after two hundred years. Cults are practicing rituals all over the world and the heroes will find one of them. It is the story of a group of adventurers, that stand valiantly against the darkness, rescue and old friend and if they succeed, become heroes of the small town of Kehill. Complete and ready to play with dungeon maps, a village map of Kehill and stat blocks directly on the pages. Featuring an additional print friendly version, all hand drawn maps (included additionally as separate files), beautiful artwork and two all new magic items. Published by StLion

The end of the road. A lonely fort stands on the banks of a mighty river. It is here the hardy bands of adventurers gather to plan their conquests of The Hill, the hulking mass that looms over this tiny settlement. The Hill is filled with monsters, they say, and an evil witch makes her home there. Still, no visitor to The Hill has ever returned to prove the rumors are true or false. The thrill of discovery is too great to pass up, and only the river stands in the way. The adventurer's boat is waiting! This module is designed for use with the D&D Basic Rules. A trip through the wilderness begins a unique challenge for the novice player and Dungeon Master. TSR 9078

Lost within the ruined House Cannith citadel of Whitehearth, an arcane workshop somewhere in the perilous Mournland, is the key to constructing a terrible magic weapon. Agents of the Emerald Claw will stop at nothing to recover the ancient device. As malevolent forces hunt for the artifact, only the most resourceful heroes will reach Whitehearth first and discover the secrets that lie within. "Shadows of the Last War" is a stand-alone adventure for the Dungeons & Dragons game that will immerse your characters in the Eberron campaign setting. Designed to challenge 2nd-level D&D heroes, it pits them against one of Eberron’s most nefarious organizations.

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 Deadly Curse is Spreading! Morrick Mansion and the surrounding vineyards were deserted years ago when a terrible curse twisted every living thing on the property into a mockery of its prior form. Once whispered about and avoided, fear now grips the land. The curse spreads and someone needs to stop it. Can you find its source and cure it forever, or will the very curse you are investigating touch you with madness? Hatred, Death, and Danger! Morrick Mansion challenges adventurers to battle strange, mutant creatures in an effort to solve a mystery and stop an insidious curse. Do your players dare enter the mysterious mansion and can they survive long enough to discover the source of the curse?

Danger Lurks in the Lendore Isles. Bands of evil creatures prowl the hills overlooking the town of Restenford. Now you have come to this sleepy little village looking for adventure and excitement. You seek to fathom the unexplored reaches of Bone Hill and unlock the mysteries of Restenford. TSR 9045

The lost city of Archaia - an ancient ruin sunken into the earth - lies deep in the badlands. In recent years, caravans from Eastdale have come under attack from orcs, goblins, and worse. Some say these blood-thirsty warbands have made lairs in the deep caves and ruins. Sill others say the ancient halls are filled with magnificent treasures left by the Archaians. Are you brave (or foolish) enough to delve The Forbidden Caverns of Archaia? The Forbidden Caverns of Archaia (FCoA) is a 296-page classic megadungeon for use with any old school fantasy role-playing game. The pages of Forbidden Caverns are crammed full with new material, maps, amazing art (including special surprizes by former TSR artists), as well as an amazing colour cover art by Ex-TSR artist Erol Otus that matches Barrowmaze Complete as a sister-book. The Forbidden Caverns of Archaia will keep your players on their toes and your campaign going strong for years. FCoA is brought to you by the Old School Renaissance (so don’t forget your 10’ pole).

"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

The characters, members of the Clifftop Adventurers’ Guild, have been tasked with acquiring the Chains of Mur’taal, an artifact tied to Thelanis, by their guild handler, Lhara. This artifact is the latest in a series that Provost Nigel Faurious has commissioned the Clifftop guild to retrieve for him. The adventure starts when the characters arrive in Rhukaan Draal via Orien caravan. They’re given a chance to explore a small portion of the city before they head to a local bar to meet their contact provided by Lhara. Accompanied by a local guide, they make their way to the Seawall Mountains, where they’ll have to follow clues and their intuition to find the Valley of the Hero, which conceals the artifact that they’ve been hired to obtain. In order to earn the artifact, characters must first pass three tests laid before them by the Story: The Test of Courage, the Challenge of Wisdom, and the Trial of Honor. Once they finish the tests and collect the artifact, the party heads back toward Rhukaan Draal. But there are Marguul forces in the area, and they don’t intend to let the heroes escape with a priceless piece of their folklore…

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.

Bugbear Fight Pit is a mini-adventure with a single main encounter that follow the Bugbear Jeeshank tricking the players into a trap with the challenge of single combat to stop his activities. If the players fall for it, they will be faced with a large number of ranged attacks, and additional clever tactics and use of the terrain. Pgs. 15-17

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

Crippled, wingless, old and a thousand times more dangerous. Surely, a crippled dragon is less dangerous than a healthy one. Pgs. 35-45

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 PCs intervene in an attempted murder and are hired to find out what made a guy go mad. This leads them to search for Yenejg Togan's tower/a strange merchant in the nearby forest, where they discover that bugbears have moved in. After exploring the tower, finding the "merchant", and dealing with the bugbears and the lamia that caused the incident in the first place, they were still unable to get into Yenejg's inner sanctum without a key. The PCs return with the key and figure out how to use it to enter Yenejg's sanctum. They then explore it, dealing mostly with traps, and finally discover the resting place of the treasure Yenejg stole from the town. This adventure begins with a skill-based roof-top chase and can include some complex non-combat interactions with potentially hostile NPCs. It includes some semi-interesting traps as well as some nifty puzzles. No villain to speak of. Fool-hardy adventurers can get themselves killed, but some caution will result in only one extremely hard fight, and even that can be avoided if action is taken quickly. Pgs. 74-107

An old-school dungeon adventure! Explore (and possibly claim and re-open) an abandoned gem mine. 8 pages, 16 rooms, weird monsters, eerie situations, arcane technology and iridescent jewels! For use with old-school or OSR RPG systems.

The Dwarven clans are in chaos, and a powerful host of goblins stand poised to sweep over the land in a wave of death and terror. Only the Axe of the Dwarvish Lords- one of the most powerful weapons ever created by the dwarven race- holds the key to ultimate victory against the massing humanoids. Can the PCs brave the labyrinth of an abandoned dwarven stronghold to find the Axe? TSR 11347