HSING bears foul news: SEER has been captured. While exploring the ruins of Ulcaster in search of knowledge pertaining to runes (or perhaps even how to create them), they were separated and now the pseudodragon fears the worst. Without SEER's guidance, the efforts of the assembled factions in these recent events may all be for naught.

In the city of Waterdeep rests a tavern called the Yawning Portal, named after the gaping pit in its common room. At the bottom of this crumbling shaft is a labyrinthine dungeon shunned by all but the most daring adventurers. Known as Undermountain, this dungeon is the domain of the mad wizard Halaster Blackcloak. Long has the Mad Mage dwelt in these forlorn depths, seeding his lair with monsters, traps, and mysteries—to what end is a constant source of speculation and concern. This adventure picks up where Waterdeep: Dragon Heist leaves off, taking characters of 5th level or higher all the way to 20th level should they explore the entirety of Halaster’s home. Twenty-three levels of Undermountain are detailed herein, along with the subterranean refuge of Skullport. Treasures and secrets abound, but tread with care!

As the story goes, worshipers of Bahamut and worshipers of Gruumsh spent years warring. As the dead piled up, a Bahamut faithful crafted a weapon of devastating power. Most of the inventor’s peers balked at its use, but some felt it was justified. Those few who used the weapon were twisted into mad, dark beings by its corrupting power. The rest of Bahamut’s flock locked them and the weapon away in a dungeon prison. The dungeon and its terrible secret were long forgotten—until a group of rakshasas happened across the ancient tale. Now they seek the weapon for their own designs. Pgs. 132-137

"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

(Note: The titular crown is in this adventure, but it's up to the GM to provide their own stats for it, should the PCs obtain it) A short three-combat dungeon delve: Trolls with remarkably proficient tactics have been causing trouble for years. Track them to their lair then kill the trolls & their leader who has a black crown beaten into the flesh of their head.

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.

Times are hard in the Hillsfar countryside, especially for those of non-human ancestry. Unscrupulous merchants in league with the hated Red Plumes bleed local farmers and artisans dry. Perhaps some of those loot-laden caravans coming and going from Hillsfar could use a bit of liberation? A four-hour adventure for 1st-4th level characters.

Zhentish soldiers, Maerimydran drow, and Sharran cultists have forged a dark alliance to subjugate the peaceful land of Shadowdale. Elminster's tower lies in ruins, Lord Amcathra governs at the sufferance of the dale's conquerors, and the very Weave of magic in this embattled land seems to fray with each passing day. The Zhentish yoke lies heavy over Shadowdale—but the Dalesfolk are ready to fight for their freedom, if only they can find true heroes to lead the way!

“Siege of Bordrin’s Watch” is the sequel to “Rescue at Rivenroar,” continuing the unfolding story of the Scales of War campaign. This adventure features exploration, roleplaying opportunities, and combats in dynamic environments. In this adventure, a new threat looms to the west: A vast horde of orcs and their despicable kin emerge from the barren lands bent on plunder and conquest. While the Elsir Vale and other lands mobilize their meager forces to respond to the danger, a call has gone out to those heroes of the Vale to join forces and help to push back this new evil before it’s too late. Pgs. 4-55

A strange, foreign wizard calling himself Kelvan has appeared at the same time a mountain materializes out of thin air. He asks you to recover the Gloomblade from a Netherese ruin in order to help him with his research into this strange new mountain. A Two-Hour Adventure for 5th-10th Level Characters. Optimized for five 8th-level characters.

A dark shape emerges from the shadow of Castle Ravenloft. A flash of lightning reveals the sneering countenance of Count Strahd von Zarovich. His eyes burn with eternal hunger and a contempt for life. From a narrow balcony, he peers out into the drizzling twilight at the few sad lights of the village below and mutters a single name: "Ireena..." Based on the classic adventure by Tracy and Laura Hickman, the Expedition to Castle Ravenloft campaign adventure updates the original 1st Edition "Ravenloft" module, retaining the Gothic flavor and familiar elements while expanding and reimagining some of the locations to create a deeper, richer adventure experience. This adventure is designed for characters of levels 6, bringing them up to level 10, and features a new, easy-to-use combat encounter format. This book also presents new magic items, feats, and prestige classes for player characters. For use with these Dungeons & Dragons core books: Player's Handbook, Dungeon Master's Guide, Monster Manual.

(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!

The time is now! The yuan-ti lay on the cusp of freeing an ancient being of insurmountable evil from its imprisonment. Should this happen, Faerûn may very well be plunged into an age of darkness. You have traveled the width and breadth of the peninsula and learned what you could about your foe. Now it’s time to put that knowledge to use. Steel yourself, adventurer, there are important deeds to be done! A Four-Hour Adventure for 11th-16th Level Characters

At the behest of Orcus, Demon Prince of Undeath, a mighty deathpriest hierophant has begun assembling a powerful strike force. He intends to launch the first of many assaults on the world, readying it for his master’s arrival. With the help of potent allies and grand rituals, the PCs have discovered a route to the Abyssal headquarters of this hierophant. This delve begins as the PCs teleport from the world to the first of a complex of interconnected chambers deep in the Abyss, linked only by portals. Pgs. 126-131

Charasta, an old white dragon, has not reached her age by being unprepared or foolish she is, in fact, much more intelligent than most white dragons. Her lair is well defended and tailor-made to help her defend herself. Not only that, but when she leaves the caves to hunt she’s taken to using change self to disguise her exact color. This wily white makes a perfect foe for your party adventuring in the North of Faerûn or in almost any other campaign setting as well.

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.

When Fort Iron was taken from the duergar who inhabited it, much of their subterranean quarters were never fully explored. An ancient oubliette has been discovered and its contents have disturbed the miners. Can the mine and the miners be saved from the dangers of the Oubliette of Fort Iron?

Baron Rajiram’s forces have secured the Nelanther Isles and have scoured the Sword Coast for treasures. Now they have begun to explore a mysterious island that recently just popped into existence nearby. SEER seems to believe that an aboleth artifact is their goal. It is up to the adventurers, in competition with the baron, as well as aboleths, the Kraken Society, and the mysterious caretaker of the island, to locate the Eye of Xxiphu and avert catastrophic disaster.

D&D’s latest book contains thirteen exhilarating heist-themed adventures, where you and your crew will take on missions from a mysterious organization known as the Golden Vault. Thirteen new stand-alone adventures spanning levels 1 to 11, each focused on a single heist.

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.