Catastrophe strikes the frontier village of Swallowfeld! With a grinding groan, the town’s mill slews into the Kilian River and breaks through the ceiling of an ancient subterranean dungeon. This accident frees a long-imprisoned evil to prey upon the shocked townsfolk. When several Swallowfeld residents—some innocent and some not so innocent—are spirited away into the rapidly flooding dungeon, it falls to a brave group of heroes to venture underground and rescue the missing before dark, rising waters seal their fate.

A museum of the Mad Archmage, it contains curiosities and treasures from all over the multiverse, and the challenges of the Watery Caves, which are a series of living caves connected by an underground river. This adventure can be used as an expansion to the Castle of the Mad Archmage mega-dungeon adventure, or as a stand-alone adventure. Published by BRW Games

Lurking in the watery depths of a fallen orc tribe's sacred burial cairn amid the bleached, broken bones of savage warriors, honored champions and mighty warlords the forest drakes Arduthal and Ingeirmaugh have made themselves a comfortable, safe home. Periodically emerging to ravage the surrounding countryside their depredations have reached such a level that Baron Liofa Othen begs the PC's to slay the foul beasts. The cairn's remote location, inundated, bone‐choked passageways and the vengeful, possessive ghost of the orc champion Gork Shattershield, not to mention the drakes' mistaken identity as green dragons, all stand in the way of the PCs' victory. A short Pathfinder Roleplaying Game adventure for four 5th‐level characters by Creighton Broadhurst.

The sea has many perils. Are the treasures of a sunken pirate ship worth the risk? Arkos Seatamer, a privateer and the sole survivor of a shipwreck has gathered a new crew. He's returning to the wreck to recover the body of his closest friend, Devek Harpwind, for a proper burial. Arkos had rammed the pirate vessel 'Striking Shadow' in combat, shattering its hull. He leapt aboard the sinking ship to take the pirate queen as a prisoner. Shortly after, a sudden storm arose, so violent that it sunk his ship as well. This isn't the whole story. The pirate queen wore a cursed gold armband, shaped like a coiled eel. The sight of the band made Arkos mad with greed and he moved to slay her to take it. Devek tried to intervene but Arkos killed his friend in rage. With his dying breaths Devek laid a horrible curse upon Arkos to become a were-eel each night. The PCs are hired to accompany Arkos and his crew to the wreckage and recover Devek's body from the wreck, along with the armband he still lusts for. Pgs. 18-35

The Sinking of the Mercy is a sandbox style adventure with multiple side treks to give higher level characters a challenge. After recuperating from their last adventure the PCs find themselves at the port city of Covalush. A group of heavy storms have been battering the coastline for a while a few banged up ships have limped into port. The sailors have found the taverns and have been retelling the story of a sunken treasure ship they were travelling with. As the storms start to weaken the possibility of a treasure hunt has intrigued the PCs…

The Godless Depths For the first time in eons, ancient aberrations are emerging from the deep ocean. Driven by some otherworldly fervour, they encroach upon the local villages, searching with beady eyes for anyone linked to the Gods. Even now you hear rumours of kidnap, men and women dragged kicking and screaming into the depths.

Stopping an undersea war wasn't in your contract. The seas will boil with war, and you're going to be right in the middle of it. Pgs. 34-47

The Dark Tide of Damodan is an underwater rescue adventure, where time is of the essence. A mysterious disease is killing of locals and visitors alike in the port town of Havenword. While the adventurers are in town, Havenword is attacked from the sea by nasty fish-headed creatures. After the battle, the characters learn that the creatures dragged off several townsfolk. They have been tasked with finding the captives and returning them safely. The only problem...they were taken out to sea. The characters must delve into the depths into an underwater keep to rescue the captives. Using the knowledge the captives to help locate one another, all the while, avoiding the sinister Damodan's forces. Will the characters turn the tides in their favor? Or will they swim with the fishes? Published by Crit Academy

Once every decade, the tides of the Empyrean Ocean recede far enough to reveal the highest eaves of a mysterious undersea tower. Long ago this was an eldritch fastness of Sezrekan the Elder, the most wicked wizard ever to plague the Known World, but now the tower is known simply as the final resting place of the fabled Black Pearl – an artifact rumored to bring doom upon all who dare to posses it. Tonight the moon nearly fills the sky, and the tides have already begun to recede. Adventurers have eight short hours to explore the tower before the dark waters return. The fabled Black Pearl will be theirs for the taking…if they can survive the Pearl’s curse.

So you want to be a Mage of High Sorcery? To join the esteemed organization, you must travel to the Tower of Wayreth and undertake the most important event in your life—the harrowing Test of High Sorcery! If you can survive where so many aspiring mages have failed, you will forever bind your soul to the Gods of Magic and gain access to untold arcane secrets. The Test of High Sorcery is the perfect adventure for new and veteran players looking to experience Dungeons & Dragons in a new way! It is a solo adventure, where your choices have meaningful consequences, but it also provides balanced rules to play with a group or a Dungeon Master. This 154-page tome features: - A sprawling adventure that fits perfectly as an expansion to any Dragonlance campaign, Dragonlance: Shadow of the Dragon Queen, or as a stand-alone replayable experience - A tale full of sorcerous intrigue, featuring many new characters alongside iconic favorites like Fistandantilus, Takhisis, Fizban the Fabulous, and the Gods of Magic - Innovative Destiny and Trait mechanics make your choices really matter—and ensure every mage’s Test of High Sorcery is a unique experience - Over 60 possible outcomes to determine which Order of High Sorcery you join and provide compelling new plot hooks for your character during future adventures - Dozens of unique locations with rich stories and sorcerous challenges that Dungeon Masters can use to create their own version of the Test of High Sorcery - New magic items and stat blocks, with mechanics that support clever use of enemies’ weaknesses and the environment against them - Four gorgeous sample characters, with interactive character sheets designed to be new-player friendly so that you can jump right into the story - A detailed primer on the history of Krynn and how it relates to the Mages of High Sorcery - A community survey when you finish to let you see how you compare to other mages taking their Tests of High Sorcery

After saving Earl Feva D'Auvay’s bacon at Curwood, the ruler has graciously offered his waterside retreat to the party. A few days of rest and relaxation will help you recover from the hazards the undead group caused. With servants waiting on you hand and foot you enjoy the easy life. A few days into your vacation the Earl’s new toy arrives, a glass bottomed boat. After taking it out for a quick spin you quickly discover that Crater Lake holds the ruins of an old city. It would appear that your vacation will give way to your curiosity…

Deep beneath the surface of a lake flourishing with aquatic life is the Temple of Pure Water. Within its walls your players will encounter dangerous aquatic flora, a deadly submerged temple, a sea dragon statue with power lurking within, and even a rapid downhill boat ride with sharks. Water in small doses is an elixir of life, but it large enough quantities your players may be left in over their heads as they make their way through this underwater adventure.

The End of the World Is at Hand! A hideous death cult has seized control of an ancient artifact-monument known as Tovag Baragu. The power behind the cult is the Old One himself, Iuz the Evil, demonic master of an empire. He's on an all-or-nothing quest for supremacy over the world—and the heavens beyond. To stop him, heroes must face horrors never dreamed of, journeying to a shadowed city where Death rules and the living cower. Here, Iuz will achieve his mad dream by destroying the imprisoned master of that alien citadel: Vecna, the mightiest lich, an immortal demigod. Two items exist with the power to stop Iuz—the Eye and the Hand of Vecna—but using them carries fantastic risks. Not even the gods know what will be unleashed when these items are fully activated. Die Vecna Die! takes the heroes from the Greyhawk campaign to the demiplane of Ravenloft and then to the Planescape city of Sigil. However, none of the material from those settings is required for play. TSR 11662

A Twisted Level 4 Adventure of Science and Sanity Lost by Infinite Initiative They wanted perfection. They got him instead. Beneath the sea lies a sunken research city—once a marvel of arcane progress, now a decaying labyrinth of broken glass, failed experiments, and whispers in the dark. At its heart, a mad scientist clings to his vision, bending corpses and constructs to his will. The players must brave an abandoned lighthouse, activate a long-dormant portal, and descend into the abyssal halls of a drowned facility. But something stirs in the tanks… and it’s not alone. Inside the Adventure: A puzzle-filled lighthouse and a cinematic octopus encounter A non-linear underwater dungeon teeming with mutated horrors Tactical environments: flickering labs, crumbling windows, and flooded chambers A final boss fight against a deranged scientist and his unstable Abomination Includes new stat blocks and a unique magic item: the Cloak of Protection (as a warded lab coat) This is a dark, atmospheric one-shot perfect for groups who enjoy horror, puzzles, and morally twisted villains. Part of the Thirsty Tiger Tales series by Infinite Initiative.

The land of Felora is a stable pedocracy off the Feso Seaway. Generally considered a safe place to live because of a low humanoid population and a large defensive wall that rings the country. The same cannot be said for the area to the west known as the Wildlands. Once a thriving human land the area was taken over in humanoid raids a century and a half ago. With the aggressions against the wall lessening the Council of Wisdom is organizing groups to go in and explore the land for possible "taming". Potential explorers will be paired off with non-combatant survey teams. Are you new adventurers ready for a job? Played at Epic Nerd Camp '17!

Giants have emerged from their strongholds to threaten civilization as never before. Hill giants are stealing all the grain and livestock they can, while stone giants have been scouring settlements that have been around forever. Fire giants are press-ganging the small folk into the desert, while frost giant longships have been pillaging along the Sword Coast. Even the elusive cloud giants have been witnessed, their wondrous floating cities appearing above Waterdeep and Baldur’s Gate. Where is the storm giant King Hekaton, who is tasked with keeping order among the giants? The humans, dwarves, elves, and other small folk of the Sword Coast will be crushed underfoot from the onslaught of these giant foes. The only chance at survival is for the small folk to work together to investigate this invasion and harness the power of rune magic, the giants’ weapon against their ancient enemy the dragons. The only way the people of Faerun can restore order is to use the giants’ own power against them.

The tritons have arrested the keeper of Skyhorn Lighthouse for unleashing vile, bug-like abominations into the sea. When a lone triton comes to the characters and asks their help in exonerating the keeper, will the heroes rise to the challenge and confront the dangers lurking in the deep? The Corruption of Skyhorn Lighthouse is a 5-7 hour adventure for 8th-level characters. You can run The Corruption of Skyhorn Lighthouse as a standalone adventure or as a follow-up to The Secrets of Skyhorn Lighthouse, a free 5th-level adventure downloaded over 100,000 times with 350+ five-star reviews! Inside the The Corruption of Skyhorn Lighthouse, you'll find: -Three new monsters that prowl the ocean depths -A goblin submarine, a darkmantle sea captain, and a marid with a pet starfish grove -The Arcane Library's signature format to make running the adventure effortless -Combat cards for monsters, PCs, and special treasure -Gorgeous maps designed for easy use with Virtual Table Tops

"For Blibdoolpoolp!!" "The power of the mind and belief are wonderous, often leading us to manifest things that aren’t real. For the kuo-toa, this power is heightened, allowing their collective belief to manifest gods." Two tendays ago, a paladin of Torm was kidnapped by kuo-toa. In a strange turn of events, she was mistaken for a kuo-toa god, and whisked off to their underground lair. Barria has managed to pose as the god and now shakily leads a small faction of kuo-toa while trapped underground. With her influence being increasingly scrutinized, and with the different kuo-toa sects on the brink of civil war, it’s a dangerous time, even for a ‘god’… The heroes’ mission — rescue the paladin from the kuo-toa oceanic lair before she’s transformed into a kuo-toa god. The kuo-toa are an Underdark-dwelling race of fishlike humanoids. Different sects worship different god-like beings, each god manifested through the strength of a sect’s collective zeal. Such “gods” feature prominently in this adventure. Product Overview ♦ 4 to 8 hours for four to five characters. ♦ Scalable for 3rd-6th level. ♦ High-resolution maps of the Kuo-Toa lair. ♦ 9 new statblocks, including Dire Barnacles and Hypno-Cuddlefish! ♦ Includes plot hooks, handouts, rules for faction combat, and more!

Stories of the ancint lost city of Carsail and its fabulous artifacts are legendary. Now, the clerics of a seaside town have proven that some unusual items are indeed from the long forgotten city, but two priests and a mysterious stranger are missing. Players must risk life and limb, breathing beneath the water, to find the lost cities of Carsail and Mylduscor, and unlock the mysteries of the murky deep! TSR 9422

One of the original D&D classics, "The Isle of Dread" is a hex crawl wilderness adventure. It focuses on surviving primitive beasts, dinosaurs, and pirates while uncovering the mystery of the island's inland city, where a great treasure awaits. From the cover: "This module contains maps and background material for the Isle, fifteen new monsters, and suggestions for further adventures. In addition, The Isle of Dread contains a map and background information for a large continent, and eleven smaller maps for encounters on the island itself. In this module, players will push their way through dark jungles and treacherous swamps to discover the lost plateau, and the final secrets of - the Isle of Dread!" TSR 9043