Ruling uncontested in his Abyssal layer of the Gaping Maw for eons, Demogorgon's reign as first among demon lords may be coming to an end. The storm clouds gather as his inviolate sanctum is about to be breached by an unlikely alliance from across the planes. Despite its combined strength, this invasion offers no guarantees of success. For the alliance faces no house of straw, but rather the entrenched hordes and reinforced ramparts of the home of the Prince of Demons. "Prince of Demons" is the final 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 upon the campaign. The time has come to challenge the Prince of Demons! An army of demons and eladrins stands ready to mount an assault on his Abyssal realm of Gaping Maw, which should give your players the distraction they need to prevent Demogorgon from activating the savage tide and driving a world insane. Pgs. 60-99

The adventurers have delved into the Abyss to strike at the Demon Lord of Undeath, Orcus. On the layer of Thanatos, the Blood Lord has many outposts from which he spreads his corruption. One of his primary lieutenants is Doresain, the Ghoul King. If the PCs kill Doresain in his lair, they will strike a real blow against the foul demon lord. Pgs. 174-179

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?

Magical soul gems have been stolen from the secret vault of the goddess of death and scattered across the planes. Some want these gems to unlock the secrets of the multiverse. Others want them for personal power. Still others want them to resurrect a fallen deity. As the god of oblivion looms near, can the PCs retrieve the gems from their new owners in time to save their world? Beyond the Vault of Souls is a planar adventure for 9th-level characters, compatible with the 3.5 edition of the world’s oldest roleplaying game. Within you’ll visit the Eternal City of Axis, brave the dangers of the Abyss, and match wits with the torturer daemons of Abaddon. This adventure is set in the Outer Sphere of the Pathfinder Chronicles campaign setting, but can easily be placed in the strange planes and dimensions of any game world. It can be used on its own or enhanced with information from The Great Beyond, A Guide to the Multiverse.

This adventure is a supplementary scenario for Baldur’s Gate: Descent into Avernus, which can be used while the party is fleeing Elturel and are heading towards Fort Knucklebone at level six. It entails a bargain with Bagrivyek, the goblin deity of cooperation. The God offers them a deal they can’t refuse, significant magical assistance for their quest, should they become its test subjects in a fight to the death with some of its elite troops. Devils that have been infected with a special substance, which is called soul-ichor and was created by a psychomancer, in search of his own power. The heroes will have a chance to interact with a god and bargain with it, a fight to the death at the Hellbent Fighting Pits, and also get a chance to learn of or even be introduced into a long-forgotten school of magic. Will the players reap all the benefits of this god-deal, or suffer the consequences of failing?

The Cagewrights continue their manipulations of the city of Cauldron, making the PCs their latest pawns in a gambit that leads all the way to the Abyss. The heroes must complete the test of a deposed demon lord to ensure the safety of Cauldron and all its citizens. The 5th adventure in The Shackled City Adventure Path. Pgs. 38-71

Welcome to Cirria’s Gambit, a four- to six-hour adventure for 2nd-4th level characters, designed for Dungeons & Dragons 5th Edition! This adventure invites you and your players to a fiendishly fun party with revengeful devils, a succubus who just wants to go back to hell, snobbish nobles, intoxicated socialites and one really irritated banshee! Cirria wants to go to hell! There is only one tiny problem: her mistress Glasya, archdevil of the sixth layer, has banished her for insubordination. So, what’s a succubus to do in Cirria’s place? Take over a local noble family and organize a grand feast like this boring plane has never seen before to channel the emotional energy of her guests into a ritual to open a portal, of course! Isn’t it obvious? Cirria’s plan only had one tiny unaccounted for issue: Lady Kaera, matron of the noble house Cirria targeted, is a banshee. Cirria found a momentary solution – but that will only hold so long as no intrepid group of adventurers disrupts it… This adventure can be run as a one-shot or inserted into an on-going campaign. The theme fits Baldur’s Gate: Descent into Avernus particularly well!

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

Orcus, the Demon Prince of Undeath, craves the power of the Raven Queen and mastery of death's domain. The key to his ascension and the secret to his destruction lies buried in the heart of the Abyss. As heroes chase Orcus into the abyssal depths, evil opposed them at every turn, and each victory brings them closer to their final fate. Concluded the epic series of adventures and the entire story line begun in Keep on the Shadowfell.

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. Pgs. 8-23 TSR 2604

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. Pgs. 34-45 TSR 2604

Visit the Abyss. Meet Demon Lords. Kill Everything. In the heart of the Demonweb, Lolth surveyed the Grand Council Chamber and the demon lords assembled by her invitation. Throaty growls indicated a dispute amond Yeenoghu's pack. Obox-ob's insect swarms chittered while Demogorgon ranted from the central podium. The other emissaries seemed restless. Across the hall, Graz'zt met Lolth's gaze and smiled. The demon queen shivered with a tingle of foreboding This Dungeons & Dragons adventure takes characters from the planar city of Sigil to the darkest corners of the Outer Planes, gathering resources to battle the forces of Lolth, Demon Queen of Spiders. The player characters must navigate a carefully spun web of treachery and deceit to reach the violent heart of Lolth's domain and put an end to her sinister dreams of conquest. This campaign adventure is designed for characters of levels 9-12 and features an easy-to-use combat encounter format and player handouts. This book also presents new prestige classes and magic items for player characters. For use with these Dungeons & Dragons core books: Player's Handbook, Dungeon Master's Guide, Monster Manual.

Looking for a little extra jink and maybe some excitement? It seems the Doomguard lost track of their coveted ship of chaos. It's flying about the abyss, driving the local tanar'ri even more barmy than they already are. Several factions want to get their hands on the Doomguard's stake, so there's bound to be a few job offers for bloods looking for a little action. Every sod's got a tale to tell about the abyss—it's the sinkhole of the multiverse, after all, peopled with every kind of scum a body can imagine and a few he can't. Never been there? Well, there's no time like the present. *** "In the Abyss" is a Planescape adventure for a party of four to six characters of levels 8 to 10. A simple errand to salvage the lost ship of chaos allows the player characters their first opportunity to explore the most notorious plane of them all. Of course, complications are as inevitable as the tanar'ri! The Planescape Campaign Setting and Planes of Chaos boxed sets, as well as the Planescape Monstrous Compendium Appendix, are required to run this adventure. TSR 2605

Laveth, Lolth's half drow daughter, is plotting to seize power from her chaotic evil mother.

To Hell and Back Again is the perfect adventure for new players and veterans looking to experience Dungeons & Dragons in a new way! It's written as a solo adventure, where choices have gigantic consequences, but it also provides balanced rules to play with a group or a Dungeon Master as well! This 80 page adventure features: - A heart-pounding origins story that fits perfectly as either a prequel to Descent Into Avernus, a stand-alone adventure, or into your ongoing fantasy campaign. - Beloved characters like Lulu the hollyphant, Mad Maggie and her redcap gang, the archdevil Zariel, and many others brand new to this adventure. - Infernal War Machines, and exciting encounters with unique stat blocks. - Innovative Destiny and Traits mechanics that make your choices really matter. - A ton of possible outcomes that will fuel your character's many adventures to come! - Four gorgeous sample characters, with interactive character sheets designed to be new-player friendly so that you can jump right into the story if you'd like. - A community survey when you finish so that you can see how your outcomes and choices compared to other players!

E2, following up on Death's Reach, the PC's first travel to Sigil following the smuggled remains of the primordial Timesus. The pursuit then leads into the Abyss, through the White Kingdom to face Doresain, the Ghoul King, exarch of Orcus. The module certainly is epic, placing the PCs up against powerful monsters like greater demons, death knights, and a demilich. It may be frustrating that the PCs arrive too late to disrupt the plot (have to allow for the finale in the next adventure) but taking out Orcus' right hand ghoul may be satisfying. Includes a skill challenge for crossing a portion of the Abyss For environments, City refers to Sigil.

Welcome to Baldur's Gate, a city of ambition and corruption. You’ve just started your adventuring career, but already find yourself embroiled in a plot that sprawls from the shadows of Baldur's Gate to the front lines of the planes-spanning Blood War! Do you have what it takes to turn infernal war machines and nefarious contracts against the archdevil Zariel and her diabolical hordes? And can you ever hope to find your way home safely when pitted against the infinite evils of the Nine Hells?

FVC8 – Youngblood Keep has a seasoned party meeting with Lady Enorra, a noblewoman at the northern frontier. She has requested the party by name to help her recover a valuable artifact called the Eggstone. After accepting the job you find yourself at a locale known as the Chapel of Ancients and that is when things really get strange! Youngblood Keep used to be a fortress in the area but was ripped from this plane of existence to another. Who’s up for a quick trip to Hell and back?

The Wells of Darkness is the seventy-third layer of the Infinite Planes of the Abyss, a prison used by demon lords and a graveyard for creatures the multiverse would rather forget. Imprisoned in one of these wells is Shami-Amourae, the Lady of Delights. This minor demon lord and former consort of Demogorgon is one of the few beings who knows the true secrets of Demogorgon's twin personalities and his plot to reconcile them, thereby growing immeasurably in power. "Wells of Darkness" is the tenth chapter in the Savage Tides 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 "Savage Tidings" articles, a series that helps players and DMs prepare for and expand on the campaign. Issue #357 of Dragon magazine features rules for three new binder vestiges connected to the imprisoned demons within the Wells of Darkness. The Prince of Demons hides a secret, one that could well be the key to stopping the savage tide. Yet the only one who knows this secret is imprisoned on one of the most notorious realms in the Abyss. Will the price for rescuing her be too high? Pgs. 52-84

Thirteen generations ago, the ambitious first Duke of Magnussen made a fell pact with an unknown power, who asked for but one thing in return: the thirteenth daughter born to a Magnussen duke. Now, generations hence, the daughter of Duke Magnussen XIII is stolen away by a hooded executioner riding a leathery beast. As it wings back across the city walls to drop behind the Duke’s mountain-top keep, all who watch know it alights in the Magnussen family crypts, where the devilish secrets of thirteen generations have been buried and forgotten – until now… This adventure module also includes The Balance Blade, a short level 2 adventure in which a wizard’s patron makes a simple request: travel to another plane to retrieve a legendary blade of neutrality. But once the journey is in motion, the wizard finds that not all is as it seems!