A succubus with an unquenchable lust for power is turning the Cage into a ripping madhouse. And the Lady of Pain ain't pleased. . . . Something's foul in Sigil, berk. A mad slasher prowls the streets, leaving a trail of bloody clues in his wake. Leatherheads boldly court the Lady of Pain, longing for the sharp touch of her shadow. Even the silent dabus're acting barmy, a sure sign that the Lady herself is uneasy. Are these strange events tied to a madhouse full of spell-touched sods ready to slip the bonds of mortality? A curious body'd better step carefully. After all, the dead-book's full of fools who wished for power?or got in the way of another berk's wish. Harbinger House is a Planescape adventure for four to six characters of 4th to 7th levels. From Sigil to the Outlands and back again, the heroes must piece together a puzzle that could shake the Cage to its foundations. A dark secret of the multiverse wails to be discovered in the lunatic asylum called Harbinger House, and only the player characters can shape its power-for good or ill. TSR 2614

Welcome to the Cage, friend. You'll want to watch your back in Sigil - it seems every cutter here's got a way to peel a clueless basher, and you're no exception. Besides, there's something happening down in the Hive that's got the factions in an uproar, and word is you're the cutter to look into it. Barmies and bubbers have been waking up in the Dead Book, but they haven't been staying there. They've been returning to Sigil with minds restored, telling tales of the Eternal Boundary. But the air's turning foul here in the Cage, and there'll be blood spilled soon if someone doesn't learn the dark of things, an quick! The Eternal Boundary is a Planescape adventure for a party of four to six characters of 1st to 5th levels. Players are introduced to the city of Sigil - the Cage, as some call it. Inside this crossroads to the planes, a sinister plot unfolds, leading the heroes into the most dangerous and desperate part of town - the ramshackle slum known as the Hive. Do your player characters have what it takes to confront the Eternal Boundary - and pass beyond?

For millennia, a complex plot has brewed in a demonic jungle on the surface of the moon—a plan by the patient and sinister succubi of the Moonscar to kidnap and brainwash the people of Golarion. Now a long-dormant portal linking the moon to Golarion has returned to life, accelerating the demon queen’s designs. Only the brave PCs can venture to the surface of the moon, navigate the treacherous Abyssal jungle called the Moonscar, and delve into the depths of the Insatiable Queen’s subterranean palace of torture, seduction, and depravity.

At the mercy of Chaos! Abducted by the Court of Chaos, the adventurers face hard choices if they want to return home. The Host of Chaos desires a legendary artifact held by the Scions of Law and need patsies to retrieve it. Faced with an eternity of servitude, the party must sneak into the Plane of Law and steal the Yokeless Egg from under its guardians’ watch. But not all is what it appears when the Court of Chaos is concerned and serving the Host may destroy the party from within. Can they survive the Intrigue At the Court of Chaos?

Immortals lie chained atop a mountain in the Broken Lands. Their bonds relentlessly drain their power while demons cavort with glee around the wispy barrier, as strong as any prison. Have you the courage to embark on a dangerous mission for the materials necessary to craft an artifact? If you survive that task, you must then assume the Identities of legendary heroes of Darokin and face deadly Immortal foes without revealing your Immortality! The demons of Entropy stand between you and your final Goal. Have you the power to rescue the imprisoned Immortals and preserve the Prime Plane? The future of the Prime Plane is in your Hands! TSR 9189

When a volcano appears out of thin air, the ensuing eruption is a cataclysm unseen in this age. A group of legendary heroes will need to get to the heart of what's causing the volcano Iskh to break into the Material Plane, and in doing so, defeat an evil so ancient and powerful that the fabric of reality trembles at her wrath... Fires of Iskh is an adventure for four or five 20th-level characters. It includes: -Six new monsters! -A planar incursion from the Elemental Plane of Fire! -A super volcano full ancient secrets! -An epic battle with an ancient red dragon! -A carefully crafted format to make running the adventure easy and customizable. -Combat cards for each monster, PC, and special treasure. -High-quality digital maps for use with virtual table tops.

It's like a 'Legend of Zelda' puzzle dungeon, but instead of Link, you play as a group of grubby grave robbers. Also, there's way more eyeball stuff. Puzzle Dungeon: The Seers Sanctum is a system neutral adventure for characters of level 1 to 4. It will work with any old school games like Old School Essentials or B/X or the most recent version of the world's most popular roleplaying game. What's in it: * 10 room dungeon crawl where each location has its own mysteries to poke and experiment with * Cohesive puzzles that build on each other * Lets players to discover their own solutions in true OSR fashion * Magic items and equipment that change how the players interact with their environment and previously explored areas * Use as a 4-6 hour one-shot or the start to a planar hopping campaign for wherever you'd like to go

The Iron King's daughter has been cursed by a demon who lurks inside a mirror locked deep in the palace dungeons. Can the characters win their freedom from those same dungeons by entering the mirror demon's horrifying, maze-like realm and finding a way to end the curse? The Demon in the Mirror is a creepy dungeon crawl adventure for 5th-level characters. It takes about 5-7 hours to complete and includes: -An otherworldly, reality-bending realm inside a magical mirror -Four new monsters: the mirror demon, ceiling creep, reflection demon, and librarian of Leng! -Combat cards for each monster, PC, and special treasure -Gorgeous digital maps (with and without grid) for virtual table tops

Encounters in the Savage Underdark is a 150-page supplement containing mini-adventures, NPCs, locations, and magic items,from eighteen of the DMsGuild's best authors.This incredible 150 page supplement features 24 amazing new Underdark adventures. Visit Annarei's Garden Encounter an insane aboleth Interact with traveling merchants Attend the Fire Fest Perform an Underdark heist and so much more....

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 monestary is in terrible danger. Can you brave the elements and convince the monks to escape?

In a distant dimension of existence, a collective of Modrons run experimental tests to find the answer to one question: What draws adventurers to places known as "Dungeons"? Hijacking the travel of adventuring parties, these Modrons subject them to a series of tests in their artificially created dungeon. Deadly combat, logic puzzles, "moral" challenges, and a plot about a kidnapped "Maiden" Modron by an "Evil Wizard Construct" can be found within. But not all is as it seems... Leading the experiment is a rogue Modron officer named the Creative Director, who has gone mad and morphed the tests into an elaborate death trap for adventurers. Seeking revenge against those it considers responsible for its “imprisonment”, it pits the adventurers against ever escalating challenges. Who will defeat the Creative Director and put an end the mad tests?

The conclusion of the Filbar North series this adventure puts the party in front of a large and dangerous maze and home to the power of the Elementals! Each section has a riddle that the party must solve in order to obtain a key and continue to the center of the maze where the party will face off with a very special adversary. This adventure is not for those with little experience and will require the ability to solve riddles!

A far realms themed delve into a twisted dungeon complex, filled with unique hazards, creatures and items. This adventure is designed for 4 level 6 characters and should take one or two sessions. Player and GM maps included.

We get it. Factions are an integral part of D&D, but it's not always clear how to use them in your campaigns. Luckily, Factions of Sigil has you covered for each of the twelve main factions found across Sigil and the Outlands! This supplement goes over the various rules and lore around the primary factions found in Sigil and the Outlands, making it easy for any new or veteran DMs to integrate the factions more into the core stories being told, and making them feel more useful for the players that choose to join. Rumors of a means to access the Plane of Mirrors has spurred the Society of Sensations to request the characters enter the demi-plane and record the sensations and experiences within.

In which the Many seek the One, and the Heroes must retrieve a Sword lost amid myriad Threats to the Flesh. Chapter II of the "Well of Worlds" adventure anthology. Pgs. 24-33 TSR 2604

A duergar mining expedition has led to a curious find - the entrance to the mythical Forge of Creation, where the first dwarves supposedly created the tools that brought civilization to the world. Their discovery has not gone unnoticed though, as their toiling within the forge has activated a portal to the Elemental Plane of Fire, drawing the attention of the efreeti Camus, Eyes of Midnight. The PCs are caught in a clash between the efreeti sultan and the meddlesome duergar, and must survive threats from each faction and the dangers that lurk within the forge itself!

An expansion on the original Tomb of Horrors with plot and explanation. Contains a facsimile of the original adventure. The Dark Intrusion is causing the dead to rise from their graves. This is linked to a being known as the Devourer. Following the trail of Desatysso, a wizard who followed a similar quest, the players must enter the Tomb, and beyond that, the cursed City that Waits and the Fortress of Conclusion.

Varisian fortune-tellers from across Golarion use the mystic harrow deck to read fate and predict the future, but few have ever mastered the mysterious harrow to such a degree as Sonnorae, a long-dead bard from the Age of Darkness. Fearing her collection of stories would be lost when she died, she created a demiplane within her own harrow deck to contain them. Over time, these stories took on lives of their own, and melded with the images on the cards themselves. But not all stories have happy endings, and the storykin who inhabit the Harrowed Realm have their own motivations and plots for power or even escape into the real world.

Iggwilv. Orcus. Maleanthet. Obox-Ob. Charon. These names are among the most notorious in the multiverse, appellations belonging to some of the most dangerous and powerful creatures on the lower planes. Heroes from countless worlds have raised their arms against these immortal foes and, in most cases, these heroes have perished to their soul-blasting, life-ending might. Their lairs are notorious as they are: the River Styx, beautiful but deadly Shendilavri, the Gray Wastes of Hades, frozen Thanatos, and mind-numbing Zionyn. Simply entering one of these scions of evil is akin to suicide. Yet now, as the Prince of Demons begins the final rituals to bring the savage tide to the Material Plane, heroes must approach these immortal villains not as enemies, but as allies. "Enemies of My Enemy" is the eleventh chapter in the Savage Tide Adventure Path, a complete campaign consisting of 12 adventures appearing in Dungeon magazine. For additional aid in running this campaign, check out Dragon magazine's monthly "Savage Tidings" articles, a series that helps players and DMs prepare for and expand on the campaign. Issue #358 of Dragon magazine features a map of the River Styx and advice for those who would use this notorious river as a route in exploring the lower planes. The time draws near for the final assault on Gaping Maw, but first the PCs must recruit allies from the depths of the Abyss to the eladrin Court of Stars. yet will this unlikely alliance of demons and eladrins be enough to stop the Prince of Demons? Pgs. 40-85

Ranked in 2004 as the single greatest adventure of all time by Dungeon magazine, this is a compilation of three series of modules: the G series "G1-2-3 Against the Giants" (G1 Steading of the Hill Giant Chief, G2 Glacial Rift of the Frost Giant Jarl, G3 Hall of the Fire Giant King), the D series (D1 Descent into the Depths of the Earth, D2 Shrine of the Kuo-Toa, D3 Vault of the Drow), and Q1 Queen of the Demonweb Pits. The characters begin by attempting to stop giant raids that have become prolific. They find out that the giant alliance is caused by the drow. They then descend into the Underdark in order to find the drow and stop their sinister plan. TSR 9179