"The Hive" is a spawn of Arbeyach lair, also featuring giant termites and termite swarms, for five 6th-level characters. This adventure can be finished in one session. Several mounds in the Forsaken Hills are the dens of voracious termites that have added flesh to their diet to supplement dwindling wood supplies. At night, swarms of termites hunt and devour prey. They swarm over victims in wooden carts and wagons, and bring the dismantled wood back to their mounds. Three spawn of Arbeyach, searching for a location to summon Ia'Affrat, Arbeyach's herald, discovered a mound filled with particularity nasty termites and used their vermin empathy to gain acceptance. They dug out a cavern beneath the mound, and now use the termites to protect themselves and gather food while they complete a difficult ritual involving dozens of sacrifices. The final sacrifice is prepared and the spawn are finishing their ritual when the party arrives.
Fight the Monster in its Den … If You Dare! Book of Lairs brings you 24 great monster lairs for 5th edition! Each of these exciting and unusual battlegrounds comes with a complete short adventure, including a hook, area hazards, tactics, and treasures. Stage your 5th Edition fights in unforgettable locations like: Alchemist’s Guildhall Necromancer’s Cistern Clockwork Tower Den of the Rotten Kings Lost Halls of Everforge A Pirate Cove Crypt of the Warlock Citadel of the Void Dragon A Dark Grove Lost Fane of the Serpents Branches of Yggdrasil Tomb of the Scorpion Prince Sky Stairs of Beldestan Imperial Ghoul Outpost Umbral Vampire Lair And 10 more! Designed by some of the top names in the RPG industry, Book of Lairs is sure to add an aura of wonder and mystery to your game! Book of Lairs uses standard monsters as well as surprising new creatures from Tome of Beasts, and both monster books are required for maximum playability.
We saw it—don’t turn your heads. Up near Hilltop Crossroad and the temple. It walked south; the trees fell in its path. Even the moon hid. Gods help Father Dren . . .
"Den of the Rotten Kings" is a wererat lair suitable for four 3rd-level characters. This adventure can be completed in one session.
What happens when adventurers become the owners of a brothel? When a roguish associate asks them to attend an oligarch’s party in his place? What lurks in the Cartways besides kobolds? And what will you say when another thief tells you the only way to find a treasure is to become hunted by the Praetors? Dark dealings, my boys, and a knife in the guts might be the price. Whose guts? Might be yours if you cross the wrong one of the Nine. How much evil should be done for the greater good? How many sinful men should die to save a pure soul?
The Claret Wellspring is an adventure for four 4th-5th level PCs. "The first spell cast has not yet finished its work." Strange lights in the desert lead the PCs to a long-forgotten oasis. Travelling towards the lights, the PCs are threatened by magic so old, it defies categorization. Arriving at the withered shore of a blood-colored pool, the PCs discover an ancient dial and three tooth-like columns rising from the ground. Turning the dial results in the water being magically siphoned into the column's hollow cavities. If the pool is emptied, a small door is revealed in the crimson-stained much. They must defeat a blood-infused water elemental before proceeding. Once inside, the PCs share a room with a dark ritual running since the origin of the world. The keeper of the place, an immortal fey inside a powerful suit of armor, offers little explanation as to the nature of the ritual, and he seeks to ensure they tell no one of the Claret Wellspring.
Fane of Serpents is a titanoboa lair suitable for three to five 10th-level characters. A rocky butte covered with soaring ruins looms over the landscape. Legend describes it as a monument raised by an inhuman race that was wiped out centuries ago as retribution over foul practices. Locally, the spot is known as Titan’s Height. It rises starkly above the surrounding area, with four terraced plateaus. Each level is covered with the ruins of many-columned halls in an architectural style unlike anything else in the area. Their age and strangeness alone are enough to generate fearful legends. The stories grow worse when travelers or livestock disappear near Titan’s Height, which they sometimes do.
This adventure is suitable for four 6th to 7th level PC's and may be completed in a single session. Oithois the exceptional ice mephit and his foul underlings have uncovered a powerful relic at the entry to ancient ruins. The monstrous mephits seek to crack a hole between the material plane and their icy home world. Oithois plots to lead an army of elemental lackeys and conquer the civilized outposts of the north. This ice mephit has studied the machine and is confident he can open a gateway to the elemental plane of ice. PCs are approached by a frostbitten traveler, who pleads with them to assault the terrace. The adventurers must mount an attack against the mephits, contend with an unintentionally summoned young white dragon, and defeat Oithois upon the icebound terrace.
A welcoming desert oasis offers respite from the searing wasteland, but this paradise has perils. Castle of Sand is suitable for three to five 4th level characters.
"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.
"Bloodwood of the Cruor Circle" is an alseid and blood hag lair suitable for four or five 10th-level characters. This adventure can be completed in a single session. The Cruor Circle, a coven of dark druids led by a blood hag, has taken over control of the local alseid herd with the power of the blood. Within the forest, those who do not make proper sacrifices are stalked by the alseids and taken to the Bloodwood. Within the Bloodwood, captives become blood sacrifices, empowering the creation of sap demons, blood ponds, and other twisted products of the dark druids.
"Lost Halls of Everforge" is a flame dragon wyrmling lair suitable for four or five 3rd level characters. This adventure can be completed in one session.
An ancient palace constructed by the mighty Wind Lord Boreas has a new master: the gnoll sorcerous matriarch Odjanbago and her clan—the Archthieves. With the flying Sky Palace at her command, Odjanbago’s legendary clan of thieves and killers have cast a shadow of fear over the Southlands’ northwestern desert. All tremble in fear of the Archthieves, from the jinnborn tribes of the Dominion of the Wind Lords to the priests of Bastet in Nuria Natal. Even lords of Midgard’s Seven Cities grow uneasy at their mention. Whether they hail from the Southlands or elsewhere in Midgard, the PCs must shoulder the responsibility of ending Odjanbago’s reign of terror.
This is an adventure for four 6th to 7th level PC's that may be completed in a single session. The Untamed are a street gang in a busy city. A recent change in leadership has transformed the members from pickpockets and second-story thieves into kidnappers for an inter-dimensional aberration named Xlrieh'oc. Their hideout is now a strange and wicked factory, capable of extracting the firm essence from a person; the process leaves the victim partly ethereal and their form no longer casts a shadow. Although most victims die during the procedure, those who survive are conscripted into the gang. The extracted essence is crated and shipped to the aberration's home plane through a breach between worlds in the hideout's backroom.
Throughout the land, legends of the Dusk Queen persist. They speak of a sometimes kind, other times cruel, yet always mysterious fey queen who ruled from her Dusk Tower—a tall spire of smooth, dark stone in the heart of a great, shadowy forest. Perhaps the most gripping legends, however, whisper of the Dusk Queen’s sudden and mysterious disappearance. Also available in 5e format.
A doctor who helps with rare and socially debilitating diseases who welcomes all to her doorstep suddenly becomes reclusive...and her patients are no longer able to be found. Adventurer's are hired by a powerful merchant who had committed her son to this doctor, and they need to find him and bring him home.
The loss of Skyreach Castle in Hoard of the Dragon Queen was a major setback to the Cult of the Dragon, but still only a setback. The cult is determined to retake the castle and claim Tiamat’s lost treasure buried in its frozen walls and cloudstuff vaults, but they aren’t the only ones. Blagothkus the cloud giant is still the master of Skyreach, and he has gone to the hall of his cousin Brunvild, ice lord of Uldoveld, for the resources to repair and reoccupy the castle. At the same time, the party is dispatched by the Council of Waterdeep to reclaim some of the stolen treasures lost when the castle fell.
"The Clockwork Tower" is an azza gremlin lair suitable for five 3rd level characters. This adventure can be completed in one session.
The infamous Scorpion Prince ruled his domain centuries ago, but the lands are still desolate, a testament to his poisonous influence. His terrified subjects rejoiced in his death but also feared he would return if not interred properly. To ensure the prince's happiness in the afterlife and his tomb's security, his people erected a great monument and created trap-filled chambers to house and protect his body and his wealth.
"The Pirates' Cove" is the lair of a blasphemous cult, suitable for four or five 5th level characters. This adventure can be finished in a single session.