The Approaching Swarm is a short adventure for four 9th-level characters. The party can consist of any mix of classes, but it should include at least one character that is good in wilderness settings, such as a druid, ranger, or barbarian, and at least one cleric. This scenario should prove a reasonable challenge for characters from 8th to 10th level. The adventure takes place in a swampland that is near a small settlement. The characters were lead into a trap -- a lair of giant spiders. With one or more of their members injured and poisoned, and the trail of their quarry now cold, the characters most likely return to Crivdall.

Hunt for the Thessalhydra is a short adventure published by Wizards of the Coast as a tie in to the "Stranger Things" franchise and part of the Stranger Things Dungeons & Dragons Starter Set. The adventure features characters, locations, and monsters inspired by that series. The adventure is suitable for characters of level 3-5.

The Approaching Swarm is a short adventure for four 9th-level characters. The party can consist of any mix of classes, but it should include at least one character that is good in wilderness settings, such as a druid, ranger, or barbarian, and at least one cleric. This scenario should prove a reasonable challenge for characters from 8th to 10th level. The adventure takes place in a swampland that is near a small settlement. A band of rag-tag settlers have carved out a small settlement, called Crivdall, on the edges of a great swamp that is infamous for its terrible creatures. The area is rich with resources, and the settlers have done well hunting and foraging in the swamps. Unbeknownst to them, however, an insane druid has taken notice of their transgressions and wants them to leave. The druid, Aleretheral, is a half-orc with a curious affinity for insects and vermin. The swamp is home to numerous breeds of monstrous insects, some of which the druid has begun to breed to make them even larger and more aggressive. Through his abilities, Aleretheral has set enormous vermin onto the helpless settlers, preying on them as they venture into the swamp. With autumn rapidly coming to a close, the settlers are becoming desperate as more of their numbers are killed by hordes of marauding vermin.

The hobgoblins were not the only forces that remained after Kalarel was slain. Before the Keep’s portal was fully sealed, evil spirits from the Shadowfell escaped into the Nentir Vale. They were drawn to Kalarel’s own dark soul, which remained in the mortal world thanks to a spirit-orb the priest had created to prevent him from moving on after death. The presence of these malignant spirits caught the attention of a frost witch called the Rime Mistress and her followers—unaligned territorial beasts—who rose up to defend their domain. The Rime Mistress knows that the spirits present a greater threat than the hobgoblins do, so she and Prang, the Iron Gauntlet leader, have agreed to an uneasy truce. Thus, the hobgoblins and the creatures of the Cairngorm Peaks are united in their struggle against Kalarel’s spirit army.

Dark Water Trap is a mini-adventure that has a single encounter that involves Duergar using darkness and anti-darkvision to get the player to fall into a Pit trap full of water, so that the party will drown. The encounter either works as a standalone (Ie. the Duergar have been causing trouble), or as a part of a larger adventure or dungeon, Duegar or otherwise. Pgs. 26-27

Agents of the fire giants of Maerimydra, a city in the Underdark, have overtaken the drow outpost of Szith Morcane. The factions seek out adventurers to free the outpost’s leaders for questioning on the giants’ activities. Can you extricate them before it’s too late?

Chapter 2: The Sinister Secret of Saltmarsh In this version of the adventure, the characters find navigational charts and logs aboard the Sea Ghost that implicate its crew as slavers. Ned Shakeshaft is a Scarlet Brotherhood agent. He makes an attempt to foil the characters, but his true intent is to surrender and implicate Gellan Primewater as a key villain. The distraction afforded by the lizardfolk and the looming sahuagin threat gives the Scarlet Brotherhood the opportunity to bring more agents into town. posing as mercenaries brought in by Anders to protect the town. If Gellan can be removed from the council, Solmor might ask one of the characters to take his place.

When the priestess of Ehlonna was murdered by a werewolf, the townsfolk of Deepwood lost no time in meting out justice, even though the shapechanger turned out to be a trusted friend and neighbor. But his journal has the town worried. Written in an unknown tongue, it seems to contain important pieces of information. Is it a list of other werewolves? Is the threat to Deepwood over, or has it only just begun? Cries of "Murder!" brought the villagers of Deepwood running to the temple to witness a grisly sight. The priestess of the Temple of Ehlonna lay murdered on the floor, savaged by some vicious beast. Above her body stood a large wolf. Then, before their horrified eyes, the wolf turned into a man -- their friend and neighbor Trammil! The villagers lost no time in giving Trammil the justice he deserved at the end of a rope, even over the objections of those few who thought he deserved a trial. But Trammil's death has not made the villagers feel safe. No one suspected his dark secret until the day of the crime. Could there be others? Can anyone in town be trusted? Only someone who can translate Trammil's journal and fully investigate the murder can solve the mystery.

An adventure included in the Essentials Kit (2019). The party starts in Phandalin, the starting town for the Starter Set (2014) adventure, Lost Mine of Phandlever. Various jobs are posted by Harbin Wester, townmaster, which the PCs can pursue. These jobs culminate in a raid on Icespire Hold, where Cryovain, a young adult white dragon, has recently claimed as its lair.

A band of mercenaries -- the Stormcrow Company -- laired beneath the Tor, but no on has heard of them for a while. Their lair and treasure may be up for grabs.

Beneath the jungle-covered ruins of an ancient human temple lies a small outpost of grell that have taken to hunting the nearby area by night. Sangkon Bhet is a fairly typical example of a small grell outpost; the monsters occupy convenient ruins or caverns for a time as they search out new places to move a colony that has over hunted its previous locale. Pgs. 115-120

Hurtling through time, you find yourself embroiled in a struggle to keep the fledgling town of Waterdeep from succumbing to a vicious Troll invasion. But sometimes the true threat lies within the city walls... Part Two of the Folded Time Trilogy.

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

“Gorgoldand’s Gauntlet” takes place in a cave network in the side of a cliff overlooking a lake and can be inserted easily into any campaign. Gorgoldand’s Gauntlet is a site-based adventure with a pre-dominance of puzzles and traps. The PCs discover a map leading to the Gauntlet and explore it looking for treasure. They test their strength and wits against various traps and puzzles created by a gold dragon who converted a cave network into a proving ground to surreptitiously test the abilities of local adventuring bands. If they make it all the way to the end of the Gauntlet, they’ll have the chance to fight a dragon construct made of the dungeon's treasure hoard and have the chance to gain access to a magic item that can have a significant impact on their adventuring careers. Pgs. 39-51

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

This scenario sees the adventuring party given an important quest to collect a number of broken magical seals and to light a number of magical braziers, all of which once protected the crypts of Kelemvor. In so doing, they can help to quell a devastating uprising of undead — organized by a powerful lich named Idris bent on destroying the city of Neverwinter. “The Crypts of Kelemvor” is a one-shot Dungeons & Dragons adventure for characters of levels 3 to 5, adapted from a quest in Neverwinter online.

The PCs follow the trail of some particularly competent kobold thieves to the lair of a dragon cult deep in the swamp. There they discover efforts underway to grant sentience to the skeleton of a powerful red dragon once named Flame. Eventually the PCs determine that trouble has returned to the Western Mountains in the form of a band of fire giants ruled by a clone of the original red dragon named Flame.

Floating Eternally among the endless silver void of the Astral Sea are vast, once-living islands, cast-off flesh of primordials and deities who lost their lives sons past in a great war. Today these colossal outposts bear mute testimony to the date of even the mightiest among us. Pgs. 120-127

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.

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