Dread tales told in the dead of night! When the shadows grow long in Waterdeep and the fireplace in the taproom of the Yawning Portal dims to a deep crimson glow, adventurers from across the Forgotten Realms, and even from other D&D worlds, spin tales of dark dungeons and spread rumors lost treasures. Within this tome are seven of the deadliest dungeons from the history of Dungeons & Dragons. Some are classics that have hosted an untold number of adventurers, while others are newer creations, boldly staking a claim to their place in the pantheon of notable adventures. The seeds of these stories now rest in your hands. D&D’s deadliest dungeons are now part of your arsenal of adventures. Enjoy, and remember to keep a few spare character sheets handy. Includes seven adventures: Against the Giants Dead in Thay Forge of Fury Hidden Shrine of Tamoachan Sunless Citadel Tomb of Horrors White Plume Mountain

The Cult of the Dragon leads the charge in an unholy crusade to bring Tiamat back to the Realms, and the situation grows more perilous for good people with each passing moment. The battle becomes increasingly political as opportunities to gather allies and gain advantage present themselves, all centered in Waterdeep. Continuation of Hoard of the Dragon Queen.

An agent of the King’s Dark Lanterns has stolen a cache of gold from the Brelish exchequer. Hunt him down, retrieve the gold, and thwart whatever else the rogue agent is plotting. Pgs. 28-65

The isolated tower of the wizard Deros Frist is an example of a typical tsochari incursion into the human world. This short adventure site describes the lair of a tsochar noble that has successfully replaced Frist, a local wizard of some renown. The tsochar Yikk Tasst now pores through the wizard's libraries and spell books, eagerly absorbing all the arcane lore it can. Pgs. 130-134

With allies gained from denizens of the Underdark, the former drown enclave of Szith Morcane is on the precipice of being retaken. During the battle for Szith Morcane, secrets of the drow community are revealed. What will you do with this knowledge, and how will it affect the outcome of the conflict?

Aleyd Burral, the Risen Hero of Phlan has sounded the call to battle! Intent on retaking her home of Phlan, Aleyd has amassed a surprising amount of support from the citizenry of Phlan, including that of the High Blade himself. But as lofty as her goals might be, the honor-bound warrior seems willing to sacrifice much in her quest—including everything she once stood for.

A pall hangs over the frontier town of Wellspring, casting this once-vibrant place into corruption and death. Strange people stalk the streets and unexplained murders occur each night. Nagging fears that more horrors will spill forth from the Kadagast Mountains instill a pervasive paranoia within the townsfolk. Suspicious people watch their neighbors, and temple attendance has never been higher. Folk keep to themselves, hiding in their homes. They avoid darkened streets, lock their doors when night falls, and shutter their windows to close out the screams and shouts echoing in the dark. If the grim threats pressing the town are not stopped, the fl ame of Wellspring might very well flicker out.

An ancient gate to the abyss lies undisturbed in the Valley of Obelisks. Sinister forces seek to reactivate the gate for their own ends, can the heroes stop them in time?

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

Heavy mists have plagued the area around Phlan for weeks, even after the reported death of Vorgansharax, the Maimed Virulence. People have been disappearing in those deadly fogs, and now dead bodies are turning up. A D&D Adventurer’s League adventure set in the Quivering Forest.

You stand before the Sha’sal Khou elders as the most diverse gith hunting party ever assembled. Are you powerful enough to keep the mind flayers from enslaving your people once again? You’ll have to race across the planes to find out. A six to eight‐hour adventure for six players. Pregenerated 9th level characters provided.

The frost giants of the Ice Mountains have long held to the belief that a great Jarl will one day step forward to unite the families as Konung (king). With the Ordning shattered, Jarl Ryndölg believes that if he can locate Hartkiller’s Horn, a legendary artifact among giant-kind, he could be the one. He may very well have found what he is looking for. A great clarion call has echoed across the Hartsvale for two days, and the giants are all marching north, has Ryndölg done just that? A Four-Hour Adventure for 5th-10th Level Characters This adventure consists of three Parts, as follows: Part 1. The adventure begins with the characters having already arrived in Stagwick (whether sent by their faction or by their own, individual search for adventure and wealth) and have been briefed before preparing for an important journey to the north Part 2. From Stagwick, the players discover their guide has been killed and must make their way through the deadly cold fingers of the Ice Spires alone—either by skill or luck. Part 3. Once at Ise Festing, the group discovers it’s been inhabited by a troupe of Shatterblood Ogres whom they must defeat to gain access to the redoubt’s observation deck.

Under raging storm clouds, the vampire Count Strahd von Zarovich stands silhouetted against the ancient walls of Castle Ravenloft. Rumbling thunder pounds the castle spires. The wind’s howling increases as he turns his gaze down toward the village of Barovia. A lightning flash rips through the darkness, but Strahd is gone. Only the howling of the wind fills the midnight air. The master of Castle Ravenloft is having guests for dinner—and you are invited. Spans levels 1-10.

In this Adventure, the heroes explore the lair of an adult green dragon who has become a dracolich. She is served by living and undead minions and slaves. Pages 302-307

An old elf has wandered into the city from the jungle--prattling on about his long-lost daughter to anyone whose ear he can bend. Though most in Port Nyanzaru dismiss him as mad, he speaks the truth. Can you find and save his daughter?

A newly constructed temple of Bahamut lies along a road outside a rural township. As the PCs approach the place, a scream for help erupts within it. Pgs. 60-65

"A series of disturbances plagues the Dyn Singh Night Market, an endlessly changing maze of stalls filled with incredible wares, enticing smells, and magical lights. Accusations fly as the characters become entangled in a feud between the well-respected Tyenmo and Xungoon merchant families of the Siabsungkoh valley. To prevent the families' conflict from escalating, the characters must earn the trust of the market's vendors and gain their help to unmask who's behind a rash of vandalism and thefts."

In The Standing Stone, a tiefling sorcerer named Dyson discovers a circle of standing stones constructed centuries ago by druids to hold their annual rituals; the druid community was later destroyed by the great dragon Ashardalon. Dyson uses the magic of the stones to replace people with animals transformed into humanoid form, loyal to him. Dyson encounters the player characters in the village of Ossington and tries to manipulate them into eliminating the remaining enemies standing in his way.

The lost Bloodtower has returned, arising from its earthen grave to stand as a mute sentinel over the fog-shrouded moorland. In the weeks since it's return, local travelers have spoken of new undead roaming the countryside. Pgs. 80-87

A book donated to the library-city of Candlekeep details how the previous owner created a mansion in a pocket dimension and what the command word to enter is. The gateway was recently discovered, and the characters need to enter the mansion to retrieve the researcher who rediscovered it.