In the aftermath of AD&D Second Edition's "Return to the Tomb of Horrors," the demilich Acererak was thought destroyed. In truth, his spirit lingered and now after eons he schemes once more to achieve divinity. The characters must travel to three extraplanar dungeons, in addition to the remains of the original Tomb, in order to stop this from coming to pass.

From time immemorial, the rulers of the mortal world have been counseled and tempted by capricious primordial spirits who rule over the elements. The greatest and most sinister of these was a half-kraken medusa known as the Maelstrom Queen, who sought to supplant the mortal races with her own line of immortal tentacled monstrosities. On the verge of her ultimate triumph, when the leviathans at her command rose from the depths, a legendary assassin murdered the Maelstrom Queen in her half-submerged palace with her own weapon. But the primordial mistress refused to let something as trifling as death put an end to her designs. Every 13 years, she regenerates enough mystic power to rise again, and the world’s greatest heroes are sent to murder the Maelstrom Queen once more.

(NB: this adventure is set in a desert in the broader 'Nentir Vale' world, but not the Nentir Vale itself) Eladrin raiders led by the Half-Elf Emrett Mazrid have been trying to uncover the secrets of immortality. Disgraced academic Mazrid has discovered an obelisk in an oasis guarded by a sphinx, and is preparing to sacrifice their academic rival Voor as part of the ritual. Save Voor, the obelisk, and the oasis!

Rising from the surface of a massive lake, an ancient ziggurat travels through time for purposes unknown. It’s up to the characters to enter this strange relic and discover what dark threat the structure poses. The Ziggurat Beyond Time contains advice for customizing the adventure for your own campaign. It also contains an artifact, the Deluvian Hourglass, that has time-related properties and wishes to witness the end of the world. Pgs. 23-55

On the outskirts of town lies an ancient temple to an unknown deity. Periodically, undead creatures issue from the catacombs beneath it. The party receives a commission from the city elders to venture into the catacombs and exterminate the undead. Pgs. 64-71

A location-based adventure for PCs of the 18th to 19th level. This module presents the PCs with a flavorful town to explore. Just as they have gotten comfortable, perhaps in the middle of their beauty sleep, a rapidly spreading outbreak of Zombies envelops the town. The PCs will have to quickly figure a way out, help others in need, and make other choices while fighting off the hordes of Zombies.

In this adventure, the Lord Commander of the Sharn Watch hires the heroes to investigate the murder of an actress. The investigation quickly spirals into a bloody dispute involving a dead wizard’s spell-book, political rivalries, and secrets that might foment war among the Five Nations. Pgs. 1-37

Protect the Future! At the height of Netheril's power, the fortress of Spellgard held many great secrets of the Empire of Magic. Now, only ruins remain... and one last guardian, the near-mythical Lady Saharel, whose prophetic visions draw the desperate and the doomed from across Faerun. But a dark presence in one of Spellgard's intact towers wants to control the power of prophecy for itself and remake the future in its own image.

In this adventure the heroes must brave the perils of the Innenotdar, whose trees and other vegetation has burned with an undying flame for 40 years. They do this to throw off the dogged pursuit of the Ragesian Empire, who seek to stop them from delivering information crucial to the war effort. Along the way the heroes will face monsters that have been afflicted with this undying flame, a demon that has made a contract with the Ragesian Empire, and potentially solve the mystery surrounding this burning forest. This is the second adventure of the War of the Burning Sky adventure path from E.N. Publishing.

A trek across the Shadow Marches leads weary travellers to Blackroot, a quiet village of ramshackle huts nestled among the darkwood trees. Here, orcs and humans live in peace. However, all is not well. Something evil has crawled up from below, threatening to devour the village and its denizens. Only a party of brave heroes stands in its way. In Khyber’s Harvest, the PCs battle an ancient evil threatening a remote village in the Shadow Marches. The dark power of the planes has grown strong in this place. Depraved cultists and twisted aberrant creatures are dragging innocents down into ancient caverns to undergo a horrific transformation. To save these helpless villagers, the PCs must overcome the terrors of Khyber—a quest that brings them to the attention of the dreadful Belashyrra, the Lord of Eyes.

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.

A short mystery adventure with only two combat encounters: An archfey has placed a curse on a small hamlet, putting all the adults to sleep. The PCs must talk to the children to learn what's going on. When they get too close to figuring it out, boggles attack. Eventually the PCs realise they have to compose a short verse of poetry to wake the adults. When they do, an avatar of the archfey attacks in one last attempt to stop the PCs.

The PCs have traveled to the Nine Hells to confront an outpost of devils responsible for slave raids on their homeland. In this realm of burning ash and fire-streaked skies, the infernal legions prepare constantly for war. Pgs. 138-143

The city has been plagued by mysterious nighttime assassinations that leave behind no clues about who might have perpetrated them. Divinations from temple of Ioun adherents suggest the guilty parties can be found under a nearby curio shop. The PCs set off. Beneath the shop waits the Poisoned Shadows Assassins Guild, as well as a greater danger than the party expected. Pgs. 54-59

The task seems easy enough: accompany a mysterious traveler and her equally mysterious package from Waterdeep to Neverwinter. In the Jewel of the North, tasks are seldom easy, though. News travels fast and the Red Wizards of Thay have learned of the traveler and the object she carries. Now a Necromancer readies an ambush for the adventurers and their ward, intent on stealing the item for his own sinister purpose. A prelude to the Lost Crown of Neverwinter Encounters season and connected to the release of the Neverwinter Campaign Setting.

Death slithers across the Dunes. Nightmares of desert horrors trouble the dreams of the innocent while raiders grow ever bolder beyond the walls of the great city-state of Tyr. Bandits and merchants chase rumors of a temple hidden in the desert, an ancient shrine to the primordial Ul-Artha said to safeguard a fragment of the artifact known as the Crown of Dust. Can the heroes recover a caravan lost in the wastes, repel the threat of vicious raiders, and win the relic form the perilous temple? Now that Tyr is free of Kalak the Sorcerer-King, opportunity abounds in the city and the surrounding wastes. But some see Kalak's fall as the beginning of Tyr's end, and the unpatrolled deserts nearby are rife with danger. Outlaws openly defy the city's Revolutionary Council and threaten outlying holdings. If Tyr is to thrive, heroes must arise to tame the lawlessness and evil that threatens the free city.

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

Kavalar Coppernight, a dwarf prospector, led a couple of dozen volunteers in a quest for rich veins of ore. Several months ago, they began underground mining operations, as well as a surface excavation for a small keep. Hearing of this development, the mayor of the nearest town sent two veteran militia members to investigate. They should have returned two days ago, and the mayor is growing anxious. The PCs are asked by the mayor to find out what happened to the two militia members. Pgs. 12-17

Days ago, a portal to the Elemental Chaos appeared near the PCs’ home city. Since then, it has grown into an enormous sinkhole that periodically belches fire and brimstone. The rip in reality threatens to overwhelm settlements and a nearby river unless someone ventures through and closes it from the other side. Pgs. 102-107

Long rumored to be haunted by eerie specters, Kincep Mansion has stood for years, mostly untouched by nearby townsfolk. Now something is preying on the local villagers—something that comes from the house. Pgs. 46-69