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 PCs are looking to gain entry to the Glantri School of Magic, after the initial admission tests they are drawn into a commotion where one of the other students is being attacked by an evil sorceress. He tries to flee but but is killed, and the PCs are framed for the murder. The authorities are called and bribed to just kill the PCs, they flee and are chased and taunted by the evil sorceress. Eventually, during one of her attacks, she opens a weak spot in the ground and the heroes are dropped into the warrens under the school. They must navigate the warrens, which are shrouded in magical darkness, defend against further attacks, and find escape where they can prove their innocence.

The waters of a sunless sea meet a pebble-strewn shore, beyond which opens a wide Underdark vista shimmering with pale cave-light. Titanic columns as big as castles march miles into the misted distance. The wide, steeply sloping base of the nearest colossal column is carved with streets, walls, and elaborate structures, many with gaping, empty windows. A few glimmer with faint illumination. Are you brave enough to explore the spire-city and face the terrors that lurk within? Part 2 of the Barrow of the Forgotten King series. Followed by Fortress of the Yuan-ti.

Dungeon Masters Kit - Number 1 Palace of the Vampire Queen For three centuries the peasants of the Dwarvish island of Baylor have feared the raids of the Vampire Queen and her minions. Sweeping down at night from the palace in the shrowded peaks of the island, they range even further in their search for blood. And not only blood - the children of dwarf peasants often disappear if they are so unfortunate as to be out at night. Even the cities are no longer safe. The most recent victim was the Princess of Baylor, daughter of King Arman, who was taken in a midnight raid on the capitol city of At Toe within past weeks. King Arman has offered fabulous riches and land holdings with titles to the person or persons who can brave the stronghold of the Vampire Queen and return his daughter to him alive and well. But, in truth, he holds little hope. For even King Arman, Ruler of Baylor, Defeater of the Ten Orc Tribes, is afraid in his heart to face the Vampire Queen. Published by Wee Warriors, Distributed by TSR

Two feuding kobold tribes have been left alone in their dragon queen's lair. Without supervision, surrounded by the wealth of nations and piles of magical artifacts. How long before things devolve into utter chaos? Set inside an enormous dragon's lair, the adventure allows players to take control of the best and brightest among the kobold tribe known as the Redscales. Their entire lives they have been the Dragon Queen's minions and her lair's caretakers. But the Dragon Queen has been gone for some time now and an ancient feud with another kobold tribe (the Bluescales) is about to be a rekindled. And the trap- and treasure-filled lair is to become their battleground. The gameplay is a mix of roleplaying, involving some tough moral choices (well, tough for kobolds), solving puzzles and wacky combat with kobolds wielding powerful ancient artifacts. There is an abundance of magic items, specially chosen for their potential to lead to hilarious situations.

The fate of a city lies within a dungeon whose doors are sealed with - cards It's up to you to bring it tumbling down. “House of Cards” combined dungeon exploration with the Deck of Many Things to create an adventure experience unlike anything seen before. The deck is both a treasure and a trap, guarding a tomb complex that’s being used by the Night Masks thieves’ guild as a lair. If the PCs want the deck for themselves, they must first gather all the cards, which is easier said than done. - Christopher Perkins Pgs. 38-64

The hidden masters of the Ebon Triad have something special planned for the culmination of the Champion’s Games: a foul ritual designed to transform the arena into a stage of enormous carnage to honor their dark overgod. To stop them, the PCs must explore the dark complex of the arena’s master, and destroy his pet monster before it’s too late. An Age of Worms Adventure Path Adventure for 9th level characters. "The Champion's Belt" is the fifth installment of the Age of Worms Adventure Path, a complete campaign consisting of 12 adventures, several "Backdrop" articles to help Dungeon masters run the series, and a handful of poster maps of key locations. For additional aid in running this campaign, check out Dragon's monthly "Worm Food" articles, a series that provides additional materials to help players survive this campaign. Check out issue #337 of Dragon for guidelines on what they can purchase in the Free City. Pgs. 30-62

A traditional "funhouse" dungeon, White Plume Mountain begins with the archmage Keraptis stealing three artifacts and leaving cryptic poems with their former owners. The players are hired to recover the items, and find a bizarre dungeon in the side of the eponymous volcano. TSR 9027

Three artifact weapons have gone missing and you adventurers have been sent after them. Going only by the riddle left on the thief's note, part ransom part guide, You stand before White Plume Mountain, stronghold of the supposedly long dead Wizard Keraptis.

The Haunt Unlock the secrets and drive back the evil from Montarthas Manor In ages past, an ancient town was lost and destroyed to a seige of orcs. Only one building survived and to this day, the manor is the only still standing building to be seen for miles around. Some say it is haunted, a few whisper of great treasures within, whilst others whisper that it is the manor itself that lives! No one knows for sure, only that a great evil haunts its halls. Do you dare enter Montarthas Manor? Published by P.B. Publishing

Uncover a world of adventure and claim your fortune in Pathfinder Online: Thornkeep! This detailed sourcebook contains everything a GM needs to run adventures in and around the dastardly town of Thornkeep, as well as several deadly dungeon levels and a sneak peek at the upcoming massively multiplayer online game Pathfinder Online.

The Rise of the Runelords Adventure Path continues! A sudden string of brutal killings terrorizes the town of Sandpoint, and the killer's mark bears a familiar shape. Investigation leads to the Lost Coast's most notorious haunted mansion, a dilapidated ruin that has become the lair of a monstrous murderer. Yet this killer is but one of many, a member of a group of fanatic cutthroats calling themselves the Skinsaw Men. To defeat the cult, the PCs must travel to the bustling city of Magnimar to unravel the sinister source of these murders before they become the Skinsaw Men's next victims!

This deluxe adventure takes heroes into the ruins of Gardmore Abbey, a monastery that was once the base of a militant order of paladins devoted to Bahamut. According to legend, the paladins brought a dark artifact back from a far crusade and stored it in their abbey for safekeeping, and evil forces gathered to assault the abbey and take it back. What the legends don’t tell is that this artifact was actually the Deck of Many Things, a force of pure Chaos. This adventure brings characters into the extensive dungeons beneath the ruins - dungeons that are warped and twisted with the raw forces of Chaos surrounding the cards of the deck.

There is no particular overarching story here, just a prospect gate keep dungeon you can drop into your own sandbox and run as you see fit. This adventure is formatted to both 1E & 5E gaming rules.

A supernaturally powerful storm, mudslides, and agitated dinosaurs are the least of the worries in the tropical village of Mora. The village's spiritual leader, the Zombie Master, has gone missing, and now undead rise from sodden graves and the village matriarch lies dead, murdered by her own son. What dire menace awaits in the flooded catacombs below? Set on the infamous Isle of Dread.

Fort Akor has come under attack by a dragon, but when the PCs seek out the beast in the surrounding jungle they discover the dragon may be the least of the fort’s troubles. The Pcs travel to Fort Akor, where they learn that the fort has been under attack by a dragon (which is really a tyrannosaur). Prince Henri asks the PCs to slay the dragon attacking his fort before it causes further damage. If the PCs investigate the fort before setting out after the tyrannosaur, they may discover the hidden corpse of its hatchling. They may also discover the truth behind the fort's dark history. Tracking the "dragon" to its lair and slaying it for Prince Henri forces the characters into conflict with a faction of the centaurs living in the jungle, who disposed the hatchlings corpse at the fort. Discoveruing the truth of the prince's conflict with the jungle natives might lead to an alliance. Pgs. 16-41

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

The land lies under a curse. Fruit drops to the ground, its pulp black and rotten. Leaves curl and wither on the branches. Animals flee the parched vale, or starve. Long ago, the Downs prospered under the care of Druids, but the priests of nature have retreated deep into the woods and rarely show themselves. One old man claims that the Druids have the power to save the valley, if only someone could find their Oracle to seek help. Will you reach the Forest Oracle of the Druids in time? And if you do, can they really lift the curse? Or does the answer lie elsewhere? Only the most daring and cunning adventurers will save the Downs. N2: "The Forest Oracle" (1984), by Carl Smith, is the second AD&D adventure in the novice (N-) series. Unlike its predecessor, it is not intended for 1st-level adventurers, but instead for 2nd level and up. This conversion guide allows DMs to run the original module with 5th Edition rules and provides a reference sheet for encounters. Also contains suggestions for placement in the Forgotten Realms. To use this conversion guide you will need a copy of The Forest Oracle, originally available in hard-copy and now for sale in Digital format on the DMs Guild. Visit Classicmodulestoday.com to find out how you can create your own classic module conversions and sell them on the DMs Guild.

The Temple of Tesh-Yatra is a setting-neutral dungeon delve for a party of 6th level adventurers, inspired by the classic funhouse dungeons of yesteryear. The dungeon takes 6-10 hours to fully explore. It features a high proportion of non-combat encounters: puzzles, exploration, and the occasional deadly centrifuge. The ungodly fusion of a mad scientist’s lab and a planar temple, the dungeon includes an encounter that can launch your players into the Nine Hells – for a price... The Temple of Tesh-Yatra includes two new constructs to use in your game: the sinister Maimers, and the enigmatic Skorverra; as well as a new magic item: the Amulet of Tesh-Yatra, an artisan’s dream! The Temple of Tesh-Yatra also comes with a VTT battlemap (transparent PNG format). The Temple of Tesh-Yatra was originally set in the Outlands, as an extraplanar dungeon. But given its self-contained nature and the Temple's age, it is well-suited to any wildnerness, and would work equally well seeding a hex crawl.

Once a powerful proponent of Law, the Archmage Tazimack the Red was eventually driven mad by a fear of mortality. As he slipped into insanity his retirement home began to reflect the chaotic bent of his mind. Long after Tazimack’s unnaturally animated body has disintegrated, his manor house remains as a shadow cast by a twisted intellect. Can the characters bring order to this chaos?