Centuries past, Lady Ilse ascended to scion of House Liis by trading the archdevil Mammon what he wanted most: her immortal soul – and a diabolical betrothal. The triumph proved hollow, for every year on the eve of her fell covenant, she was beset by visions of Mammon and her foul promise. Seeking to save herself, she was buried alive, swaddled in the holy symbols of a dozen divergent faiths. This desperate ploy held Mammon at bay for centuries…but a devil can afford to wait a very long time. After hundreds of years, the last of the holy wards has fallen. The devil has come to collect his due. Tonight a storm crashes against the ancient manor house and forgotten spirits rise from the muck and mire. The fallen belfry tolls once more, announcing the hellish fete. As the adventurers arrive to explore the Black Manse, Mammon calls for his winsome bride. He will leave with a soul at the end of the night. The only question is: Whose?

From the magazine: Edging along the eastern edge of the Mere is the High Road, a vital and well-traveled route linking Waterdeep to the northern town of Leilon and, north of that, the city of Luskan. Over the past several months, the trade toad between Waterdeep and Leilon has been plagued by monsters from the Mere of Dead Men. Caravans report brutal attacks by lizard men on catoblepas mounts, yuan-ti, gargantuan bullywugs and will o' wisps. Sir Justin Melenikus, a Waterdhavian knight and paladin of Helm, has grown weary of these attacks and offered his services to the city, offering to hire adventurers to deal with the problem. Set in the Mere of Dead Men region of the Forgotten Realms.

A malicious and virulent force possesses the Vermyr Woods. The local wild-life has fled; known paths have mysteriously vanished or shifted; and locals have been found hanging dead from trees yet their eyes watch... they always watch. The hopes of the people are dwindling quickly. Believing that evil harpies have afflicted the woods, brave Captain Harkin set forth to serve them righteous justice! Even the mighty druid Algalor is nowhere to be found. Time passes and their worries compound. Why have the harpies attacked? What is the fate of Algalor and Captain Harkin? What is this mysterious evil that plagues the Vermyr woods? Who is Cartman's dad? The heroes will stumble into this mystery as they travel to Homid. They will discover the truth of the harpies as well as the fate of the heroes who safeguarded this region by delving deep into a forest labyrinth that feels alive! Will it consume them or will they be strong enough to defeat the evil at its core!

For as long as men remember, the Lord of Evil Amphibians carried out unspeakable rites in his squatting temples situated far from civilization. Tales of human sacrifice, squirming servants, and rich but loathsome treasures were whispered of his followers. Now, unexpectedly, his servants have seemingly vanished, leaving behind their fanes to molder in the marshes. A brave band of adventurers gathers to explore one such tabernacle, eager to discover what riches—and terrors—the Lord of Evil Amphibians has left behind…

The yuan-ti anathema, Hessatali, calls out to his yuan-ti faithful from his prison in the Abyss. His network of vipers has uncovered the ruins of ancient Ss’tatha’lass and the Fane of Hessatali, a fountain of pure venom that will return the demi-god to life. Above the buried ruins of Ss’tatha’lass, yuan-ti agents have moved to control the politics of Scornubel. The characters fall into a complex yuan-ti plot that spans the breadth of the realm, pits the heroes against the forces of the Abyss, and explores the culture of the yuan-ti.

A young black dragon and two hatchling dragons live in an excavated sandstone burrow in the swamp west of Knacker Knob. Connected to the dragon lair is a complex of sandstone tunnels and chambers inhabited by lizard men. Some sandstone tunnels and chambers are partially flooded, and others are filled with nasty things such as slimes, oozes and gelatinous cubes. The lizard men revere the dragons as magical spirit guardians. In small groups the lizard men are easily defeated, but if allowed to prepare a common defense, the lizard men tribe with its spellcasters may present serious threat to the player characters (PCs). Wild Dragon Den is the first dragon's lair to conquer. Part of TSR 1073 The Dragon's Den

Centuries ago in the Black Swamp, Castle Kraal was a well-respected keep. Its warriors defended the folk of Thunder Rift from the marauding bands of ogres and goblins who swarmed to attack from the Horned Hills. And then one day the keep and all of its warriors vanished, never to be seen again. Now, all these years later, historians are still trying to find the answers to the disappearance of Castle Kraal, answers which may be hidden in Kraal's ruins. The heroes are asked to investigate and to try and solve the mystery. Be Warned: Not every mystery wishes to be solved! Recommended for beginning players and DMs For use with the DUNGEONS & DRAGONS Game Box. TSR 9434

A venom maw hydra lair suitable for four or five 10th-level characters. The Red Craw Marsh, so called because of the delicious and plentiful red crayfish that live in the area, is a boon to the nearby village. More than a few intrepid souls brave the swamp each season to collect the crayfish. They either sell the crayfish to local establishments or ship them to nearby cities, where they earn a good price as the crayfish is a delicacy among the wealthy. The villagers have established a tentative peace with a clan of trollkin that inhabit the swamp. The crayfish collectors pay a small fee to the trollkin, who allow them to ply their trade in the marsh without (much) interference. It is a tense but profitable relationship for all involved. A powerful creature has moved into the marsh, however, threatening the delicate balance. When a venom maw hydra decided to move to the area of the marsh between the human and trollkin villages, it brought along a number of creatures that worship and serve it. This hydra and its allies have killed some of the crayfish hunters and some of the trollkin. Each side, unfortunately, believes that the other has broken the truce, thus stirring up animosity and putting both groups on the verge of war.

An inexperienced eladrin leader leaves herself dangerously exposed to her enemies. An exiled hag schemes to rebuild her army. A bog troll conspires to overthrow. A child is kidnapped. PCs find themselves in the middle of a power struggle between competing forces, each seeking to dominate the feywild territory known as the Unbound Regions. Trapped in the feywild until they complete the quest, the adventurers must deal with the curious culture of the fey by striking deals, battling opponents, and ultimately deciding which competitor they will support.

Outside Briar Glen lies a dangerous swamp, and deep within it runs the Weeping River. Those who venture too far into the swampland near the river are overcome with grief and cry until their tears turn to blood. If they’re lucky, they die quickly. Lately, however, women in town disappear into the swamp near the Weeping River at night... and return in the morning, entranced but unscathed. Their families want to know why they return at sunrise with no memory of the previous night. These women found themselves a friend in the boo-hag, angry at the townsfolk for damaging her swamp. She initiated the women into her coven and tasked them to drain the life energy from their families to help the boo-hag heal the swamp.

The Cult of the Dragon, along with its dragon allies and the Red Wizards of Thay, seek to bring Tiamat from her prison in the Nine Hells to Faerûn. To this end, they are sweeping from town to town, laying waste to all those who oppose them and gathering a hoard of riches for their dread queen. Continued in The Rise of Tiamat.

Blackwater Redux is an Eberron adventure designed for a group of five characters starting on 1st level. It brings the group to the backwater of Khorvaire, aptly named the Shadow Marches. By the end of the adventure, the characters should reach 5th level or higher. To run this adventure, you need the fifth edition Player’s Handbook, Dungeon Master’s Guide, Monster Manual, and Eberron: Rising from the Last War (RFTLW). Blackwater Redux is a dark, hopeless adventure with strong horror notes. It is inspired by Apocalypse Now by John Milius and Francis Ford Coppola, The Heart of Darkness by Joseph Conrad, and The Call of Cthulhu by H. P. Lovecraft. Consuming these before running the adventure is highly recommended. The adventure’s themes loosely touch on current and past real-world conflicts. If one or more of the players are former or active soldiers, make sure to discuss the campaign’s content beforehand.

Gnomish denizens of Berribury are terrorized by flooding. Their only hope is for adventurers to summon the archfey of their domain; Tiddy Mun, to take the waters away. A Two-Hour Adventure for Tier 1 Characters. Optimized for APL 3

Deep in the swamp, villagers claim something unnatural is happening at a large manor on the edge of town. A suspicious owner whose wife died years ago is attempting something dark and terrible, and it's up to the party to stop him. The true fun of this adventure lies in the house itself, which is filled with hidden references and homages to the works of Edgar Allan Poe, with the author himself filling the role as the suspicious home owner.

This book goes over the various rules around the faction of the Harpers in Phandalin and the Forgotten Realms, making it easy for any new or veteran DMs to integrate it more into the core stories being told, and making the faction feel more useful for the players that choose to join. The adventure sees the characters on a mission to Iniarv's Tower, sent to search for the artifact, Bowgentle's Spellbook, and rescue the fellow Harper member, Brodven.

Year of Rogue Dragons is an adventure designed for four players who take the roles of newly hatched evil chromatic dragons. The story will introduce a specific section of the Forgotten Realms along with its prominent individuals, organizations and a segment of its history. The adventure will draw the players into a conflict between three local factions, and a mystery, which they must solve and use to their advantage in order to eliminate every menace that threatens their life from the onset.

After hunting for the Pirates of Ebor along the coastline, you witness a strange event. A great colossus is seen as you travel along the coastline and you are informed that it is the “Artifact at Gegios”. As you put into port, you make inquiries and decide to investigate further, after all, an artifact is usually useful! Is your party strong enough to uncover the truth of this legend?

In a rain-soaked graveyard, a small group of men stands round a coffin bound with heavy chains. "We are here to mourn the passing of Jean de Cardeau," intones the village priest. " Let us pray that his rest is eternal, and that he never returns." As the pallbearers lift the coffin, something scrapes on the wood from inside. Quickly and without emotion, the attendants slide the casket into a crypt. Then they seal the door and flee. Behind them, unheard, a dull thudding begins, growing louder with the onset of twilight. There can be no peace for those who linger in the earthly realm after death. And there can be no sanctuary on the Night of the Walking Dead! Set in a zombie-infested swampland, "Night of the Walking Dead" is an ideal first-time Ravenloft adventure. Players must unravel the mystery behind a string of murders and disappearances in a village plagued by ambulant undead—and all is not as simple as it seems! The hour of fear is upon us. Are you ready to face the Demiplane of Dread? TSR 9352

For over a thousand years the things that lurk beneath the waters, skulk in the darkness and lie hungrily in dank crypts have been patient, while all around them men and monsters bicker amongst themselves, bold enough to traverse the dark caverns' depths but afraid or perhaps wise enough to leave the forgotten vaults and hidden passages alone. Beneath the lost ruins of ancient Thracia lie the vast caverns of a once great civilization. While a death cult rules the surface, the Minotaur King and his beast men lurk fall below. Descend even deeper into the darkness and discover a lost and arcane world that waits for those brave enough to enter! Necromancer Games and Judges Guild have teamed up to expand and update the classic module Coverns of Thracia for 3.5. Designed for characters of 3rd to 8th level and higher, the Caverns of Thracia is a mini-campaign setting that presents intricate plots and exciting adventures.

"Temple of the Deep Ones" is the lair of a group of deep ones and their god, suitable for four or five 7th-level characters. This adventure can be finished in one session. Ship captains report that a mysterious island has surfaced in the middle of a heavily trafficked trade route. Worse, ships that venture too close to the island are assaulted by a terrible creature and its servants. The island is disrupting trade throughout this part of the world, and several ships have already been lost. Unbeknownst to those that know of the place, the island rises at the will of Shar-Ngolyeth, a long-lost deity also known as That Which Lurks Beneath the Waves. The island is populated by a cult of deep ones and the beasts they have subjugated in the name of their dark god. The creature responsible for sinking ships is an aspect of Shar-Ngolyeth, a kraken. It is not meant for combat encounters; it's largely a plot device in this encounter.