Doomguard factioneers steal an ancient relic from the church of Fharlanghan as part of an apocalyptic plot involving the Harbinger House, and a group of Clueless adventurers chase them into Sigil on their quest to recover it. Celestian's Compass is a free one-shot adventure that was released for Free RPG Day 2017.

Eternally does the Lord of Nessus scheme, and his designs are for all eternity; In the pit of Hell do the devils teem round his throne, and his reign is unchallenged; By the eight Dark Ones is he held supreme, and his name (speak it not!) is Asmodeus. - From "The Canticle of Thumis," 142:15 To some, justice is more important than glory, duty is more important than desire, and goodness is more important than life. The great paladin Klysandral was such a man. But even the sleep of death, at the end of a long lifetime spent battling evil, did not bring peace to Klysandral. During his funeral, the entire Temple of Neheod was dragged by terrible magic into the Nine Hells, along with the soul of Klysandral and scores of living mourners! What unearthly motive could be behind this tragedy? Only the bravest, strongest, and most resolute heroes will have the mettle to find the answer. Along the way, they will meet the enigmatic wizard Emirikil the Chaotic, sail aboard the fiendish ship Demonwing, and finally face the horrific minions and overwhelming terrors of Hell itself. Only the path of light can lead the bravest of the brave into perdition and safely out again. Step wisely, and walk in justice.

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. In this adventure, the Heralds of Dust in Sigil ask the characters to investigate and end the disappearances in secret crypts under Sigil.

When the players get teleported to the plane of the Beastlands, they meet with an intelligent petitioner in the form of a Dog named Reith. Eventually Reith will lead the players to a human; an eagle winged boy by the name of Addler. Addler already knows a way out of the Beastlands, but doesn’t want the players to know because the key is his body and if the petitioners knew he could leave, they wouldn’t like him anymore. Not being the best at planning, he’ll be coerced into giving the players a map to the petitioner that helped him find the portal (A snake named Siy). After passing through some small adventures in the beastlands, the players will meet with Siy and learn about Addlers portal. From here, the players will travel back to Addler and confront him.

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. In this adventure, the Harmonium in Sigil request the characters travel to Haerton Fort in the Outlands to capture a fugitive, only for the characters to be caught in the middle of a siege!

Wherein the Heroes learn that the Coils of Love wrap 'round Fiends and Friends alike, and may undertake to aid in a secret Correspondence. Chapter III of the "Well of Worlds" adventure anthology.

The battles of the Blood War have raged for longer than mortals have known life, the conflict's savagery and hatred fueling the dreams, desires and obsessions of the multiverse. One way or another, the war spills through all the layers of existence, and little escapes its influence. Some clashes have consequences that shake the Lower Planes. Others are far less meaningful - they're fought solely for the sake of violence and killing. "The Field of Nettles" is set in the aftermath of an especially pointless battle. The adventure rips the player characters from their comfortable lives and thrusts them into the Blood War full force. The goal is to cross one of the more infamous battlefields, seeing the scope and the power of the fighting - and hopefully coming away with a greater understanding of just how big the Blood War is. The adventure is designed for a party of 4-6 PCs of 5th-8th level. The characters don't get to save the multiverse, nor do they find the key to unlock the dark of any great secrets. But they might come to realize their importance (or lack of it) in the scheme of things. On the fickle borders of the planes, that can be worth almost as much.

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. This adventure sees the characters allied with the Fated of Sigil, and tasked to travel to the titular Tower of Pillars to conduct a heist from a Time Dragon.

Wherein the Heroes step through a Portal to find themselves in a Location Most Foul, from which they make their Entrance into the infinite Planes of Adventure. Chapter I of the "Well of Worlds" adventure anthology.

A Planescape adventure for 4-7 PCs of levels 9-12 (about 60 total levels). While the module begins in the planar city of Sigil, most of the action takes place in Vudra, a layer of the Abyss. The PCs start in Sigil, tasked to find a vanished brother, and the trail leads to Vudra where the layers demonic ruler gathers magical blades for a terrible vengeance plot. Pgs. 32-58

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. In this adventure, the characters ally themselves with the Doomguard of Sigil and are sent to the Tomb of Bardarock in the Outlands, a former member turned lich who must be stopped.

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?

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.

A Conspiracy of Doors is a Dungeons & Dragons adventure for five player characters of 11th level. It can serve as an introduction to Sigil, the City of Doors, as well as a group of adventurers' first taste of action at the paragon tier.

"The adventure begins with the PCs lost in the streets of Sigil's Lower Ward." --from the module. The PCs are approached by a tiefling telling them about a job. The tiefling's employer wants the heroes to search for a child who is rumored to be some sort of chosen one from an ancient prophecy. Includes a map of Durkayle's Stronghold, a map of the Black Sail Tavern, a map of the Screaming Tower, and an isometric map of Zactar Cathedral.

Silently, ponderously, they float through the Astral Plane, mammoth isles of rock adrift in an endless sea of silver. Once they were gods. Now they're little more than debris, petrified husks of fading belief and forgotten prayer. Yet for many, their memories linger, their dreams live on - and for some, those dreams are terrifying nightmares of vengeance, and conquest, and death. n the first, the heroes are drawn into an epic quest to uncover the secrest behind the retuns of an infamous AD&D villain long thought dead. In the second, the city of Sigil threatens to explode in a faction war for control of an old church and a mysterious force lurking within it. Dead Gods also features a Monstrous Compendium entry for a brand new fiend, full color illustrations to bring scenes alive for players, and a poster sheet of maps for the Dungeon Master. Dead Gods builds on story elements first explored in the Planescape adventure anthology The Great Modron March, though that product is not required to use this one.

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. In this adventure, the characters are allied with the Bleak Cabal of Sigil, and have been sent to retrieve a lost artifact from the trap and puzzle heavy Forgotten Temple in the Outlands.

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.

A bar room brawl? No big deal. Except when it starts on the Abyss—and the brawlers are a deva and a bebilith! The deva: A celestial champion who serves the cause of ultimate Good. The bebilith: A nightmarish monster whose every deed reeks of ultimate Evil. Two eternal enemies locked in a bizarre struggle for the ultimate prize. What terrible secret connects these two beings? And what does it all have to do with the legendary deva spark? Only a group of brave cutters can get to the dark of this peel, and they'd better hurry... because time is running out! "The Deva Spark" is a Planescape adventure for a party of four to six characters of 5th—9th levels. From the blasted pits of the Abyss to the peaceful forests of Elysium, the heroes track a barmy bebilith who holds the key to saving the life of a dying deva. Can your characters handle the fire of the deva spark?

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. In this adventure, the Mind's Eye of Sigil requests the characters travel to a secretive dome created by former member Skaldon, and follow his path to enlightenment.