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.

When the PCs stumble into the Feywild, they find themselves in the middle of Mithrendain— a glorious eladrin city of grace and beauty. But as the heroes find themselves the target of mysterious attacks, they begin to discover that something rotten lurks in the city’s heart. Sunlight bathes the soaring towers of the eladrin city of Mithrendain. Gentle breezes swirl through wooded parks and along well-kept streets, and in the ancient settlement whos golden hues have seen it named the Autumn City, thousands live in peace and prosperity. For centuries, the fomorian chasms deep beneath the city have stood silent below the great magical seals that closed them in the wanting days of the eladrin empire. Over long years, the folk of Mithrendain have forgotten the dark threats of old, becoming complacent in their tranquility. And so none suspect that corruption lurks at the heart of the city, spreading out from the shadows to taint all it touches. Pgs. 104-128

"And they bade their slaves, 'Build unto us tombs to rival the palaces of the gods, for there shall we live or lives and sleep our deaths in splendor.' And the people of Maru-Qet wore their fingers down, broke their backs, burst their hearts to obey. Indeed they raised up great tombs to rival the palaces of the gods. And their masters were well pleased, for it was as gods they saw themselves." The brown dragon Urum-Shar lurks in a strange tomb, plotting schemes only a wyrm of incredible power could understand. Expanding on content from Draconomicon: Chromatic Dragons, this adventure takes the heroes into Urum-Shar’s dark and trap-filled lair, where they will eventually face the powerful dragon herself. The dungeon heavily employs the use of traps, with fewer monsters. The upper tomb consists of a great puzzle of twelve rooms, and the lower tomb contains the dreaded Urum-Shar, an ancient brown dragon and heir to the lost draconic empire of Maru-Qet. The dungeon has special protections against scrying and other divinations, as well as teleportation. Pgs. 55-90

In “Rescue at Rivenroar,” the player characters must brave the depths of ancient catacombs in search of prisoners taken from the town of Brindol in a midnight raid. The hobgoblins, bandits that style themselves after an invading horde from long ago, have taken refuge in a dungeon under a ruined mountain fortress, and the PCs must clear them out to find the captive townsfolk and the treasures taken from Brindol. “Rescue at Rivenroar” also marks the first step in a great journey - the Scales of War Adventure Path, which spans 30 levels and put the PCs at the crux of events that shapes the world for centuries to come. While the scope of this adventure isn’t as grand, it represents the seed from which an epic tale will surely grow. Pgs. 4-45

Every priest in the city dreamed last night of a forgotten temple carved into the side of a nearby mountain. In the dream, a storm raged deep within the temple, and the dreamers knew instinctively that evil forces sought to unleash that storm upon the surrounding lands. Pgs. 120-125

In Treasure of Talon Pass, the player characters explore an ancient mountain garrison in search of a jade chalice reputed to be worth a small fortune. But the path to the jade chalice isn’t easy. A dragon and its kobold minions have taken up residence in the garrison, and some undead soldiers from long ago still haunt its halls as well. Nor are the PCs the only ones seeking the jade chalice. A band of orc mercenaries known as the Nightfists are after the chalice . . . and they arrived at the dungeon only minutes before the PCs

At Restwell Keep, you've heard that fortune and glory await those bold enough to brave the dangers of the Chaos Scar, a valley carved ages ago by a fallen star. The same tales warn that this Chaos Scar draws wickedness to it. Perhaps you can help stem this tide... and gain treasure along the way. While the location is a different keep, this adventure is an homage to B2 Keep on the Borderlands(https://adventurelookup.com/adventures/b2-keep-on-the-borderlands)

You will take up the mantle of heroism in a grim world where simple survival cannot be taken for granted. These heroes will shape the world of Athas while they grow in power and prestige - or die trying. Your character has been asked to aid a secretive faction of the Veiled Alliance in the Free City of Tyr against an unknown assailant. Ashes of Athas is a 4e D&D campaign set in the world of the Dark Sun campaign setting.

Many Cannith creation forges were lost on the Day of Mourning, but a rogue artificer has uncovered one of those that pursued some of the most experimental and dangerous research during the Last War. But while seeking the forbidden knowledge in the forge, this explorer awakened a dark power that was more than she could handle, and that now threatens the region. Pgs. 4-34

The goddess Erathis has never seemed the sort to demand the sacrifice of mortals in exchange for safe trade routes, but that’s exactly what her high priest has demanded. When a local ruler asks the characters to investigate the high priest, a chain of events is set in motion that could shake the city of Wyllea, and the church of Erathis, to its core. This adventure makes extensive use of roleplaying encounters and skill challenges, with fewer tactical combat encounters. There is a substantial focus on politics and intrigue. The Tariff of Relkingham is written for 3rd level PCs, but contains advice for lowering or raising the starting level from 2-4. It also contains a system for calculating an advantage or disadvantage in the final fight based on the players' actions during the adventure. Pgs. 83-103

The Bloody Maul of Kord is a magic weapon protected by the priests of Kord, who occasionally allow a noteworthy hero to use it when going on a dangerous quest worthy of the storm deity’s blessing. Six months ago, Atrimos of Ardor took the Bloody Maul for a quest to the Caverns of Demise, hoping to end attacks to the realm being launched from the caverns. He never returned. Now, the clerics of Kord hire the PCs to go into the caverns to retrieve the Bloody Maul of Kord—and to find Atrimos, if possible. Pgs. 108-113

On a trade road to the city-state of Tyr, a caravan is assaulted by a deadly obsidian shardstorm, forcing the survivors to band together and navigate the wastes to safety. But the force of nature that destroyed the caravan is under the malevolent control of the being known as the Wastewalker, who will stop at nothing to see the end of those that escaped his initial wrath. Can the heroes reach the Ringing Mountains before it’s too late?

There was no greater scholar, explorer, or collector of antiquities in the area than Hallomak Stromm. The enigmatic Stromm recently passed away, and the PCs have received personal invitations to appear at the public reading of his will. Pgs. 72-77

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.

Stormcrow Company—an unsavory band of adventurers—haven’t been seen or heard from in years. Rumors of their accumulated wealth have spread far and wide, and if they have truly been slain, that treasure is just waiting for adventurers to come and collect it. But is anything ever as easy as it seems? Pgs. 10-28

An ancient cave, defended by ancient death traps and weird arcane seals conceals the antediluvian vault of an archlich whose reign predates recorded history. Undisturbed for untold eons, the vault now stirs thanks to the machinations of cultists who have meddled with secrets best left undisturbed... This module sends the heroes to an ancient cave occupied by cultists dedicated to the Mists of Madness. Defended by ancient death traps and weird arcane seals, the caves conceal an antediluvian vault, the resting place of an archlich whose reign predates recorded history in the Known Realms. Undisturbed for untold eons, now the machinations of the cultists and their eladrin master threaten to awaken the archlich, to dire ends that none can predict.

New to Loudwater, the heroes learn of a tower locked in ice in the nearby wilderness. Traveling there, they discover that the tower’s master left many surprises behind for the unwary. Also available with e 5e solo conversion: https://www.dmsguild.com/product/247505/DD-Solo-Adventure-Menace-of-the-Icy-Spire-5e-Solo-Conversion Pgs. 4-22

A group of mysterious, sea raiders— capable of appearing from out of nowhere, striking, and disappearing— has terrorized a group of coastal states for some time. Now the leader of the states has asked the characters to infiltrate the raiders, find out how they operate, and put a stop to their activities. But once the heroes join the raiders, things aren’t as clear as they were led to believe. Will they succeed at their mission? Or join the raiders themselves? Pgs. 54-82

Barovia has long suffered under the rule of Count Strahd von Zarovich, but the evil that plagues this land extends well beyond the walls of Castle Ravenloft. See what keeps the good citizens of Barovia awake at night.

What begins as a simple expedition to settle a new village in the ruins of the mysterious Castle Inverness sets off a chain of events that could threaten every living being from Winterhaven to Hammerfast. Not everyone in the Nentir Vale is happy to see civilization brought to Inverness, particularly the ghost of Salazar Vladistone, who commands the spectral legion called the Phantom Brigade. "March of the Phantom Brigade" is an adventure designed for season 4 of the Dungeons & Dragons Encounters official play program. It includes the information the Dungeon Master needs to run the adventure, thirteen ready-to-play encounters (each intended for one session of play), and full-color foldout battle maps depicting the various encounter locations.