The strangest things wash up on the beach sometimes. The inhabitants of the Acitoff coastline are accustomed to storms, but last week the largest hurricane ever recorded swiftly struck a 60-mile stretch of coastline. The first day after the hurricane, mysterious bodies started floating to surface. They bore the symbol of the feared pirate, Jaggertooth Grin! Now it is up to the adventurers to locate the pirate ship and claim the treasure. The adventurers will have to fight the creatures of the deep in this primarily underwater adventure. Pgs. 3-14

The Tranquil foothills of the Sword Mountains are quickly plunged into chaos, as a series of earthquakes spread their way through the region. Adding to this danger, bands of vicious, flesh-eating monstrosities have clawed out of the shattered earth, attacking travellers and local residents. Rumours of wealth and riches have drawn the adventurers to the area; little do they know that it is not gold and jewels these monsters protect, but a volatile portal into the Underdark with a disturbing secret.

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

A recent earthquake has brought forth ancient evil from beneath the waves, to terrorize a sleepy coastal town. People are disappearing. The heroes will sail to an ancient, steam-powered temple in the ocean. They'll encounter mad fishmen, deadly traps, and ancient horrors that slumbered until now.

Far to the west, beyond civilized lands, lie the Tolomak Islands— volcanic peaks covered in pestilential jungle and bestriding sunken ruins. The legends say the Tolomaks are home to treacherous witches, ferocious cannibals, moon demons, and worse! Wise are those who steer well away from these accursed jungle isles, but not everyone is wise… For the legends also speak of power unimaginable and treasures beyond the limits of mortal avarice. Now, under the light of the triple moons, a band of intrepid adventurers sails ever nearer the islands. With luck, they will escape with a fortune; without it, they may not keep their souls.

Dive into a mystery in Lake of Secrets, a darker magic fantasy compatible with any setting. When the sovereign of a war-stricken kingdom goes missing, characters must brave the castle dungeons to find them. Death stalks the dungeon walls and dark deeds come to light as the characters uncover the story of a terrible sacrifice. Designed as a 3-4 hour adventure for 1-6 players of 3rd-5th level, Lake of Secrets is a fresh narrative that explores themes of false promise and isolation, offering characters a choice that will decide the fate of an entire realm.

Strange catches have long plagued fishermen's nets -- but none so strange as rotting fish that twitch and gasp for days after they are taken from the water, or a gilled githyanki's severed head found in a shark's belly. Do these briny omens lend credence to rumors of a sunken githyanki city caught in a necromantic civil war? This is a sequel to "The Death of Lashimire" (Dungeon Magazine #116). This adventure makes use of rules and options from "Stormwrack" and the "Expanded Psionics Handbook". Pgs. 60-82

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…

Horrible hauntings, cruel curses, dark secrets...this is no pleasure cruise! The mists of Ravenloft know no boundaries and observe no rules. One way or another, they always get what they want - this time with some help from a cursed captain and his ship. Player characters boarding an innocent-looking ship will soon find themselves aboard a haunted vessel, destined for an island inhabited by a new form of undead creatures. But that's not the end of the horror - an evil necromancer lies at the root of the evil on the island. The battle isn't over until he's been defeated! Ship of Horror is an adventure set in Ravenloft with two beginnings: one for PCs already in Ravenloft, and one for DMs looking for a way to push his PCs into Ravenloft from other worlds. The adventure includes three new monsters, new spells, and several handouts ready for distribution to players. Ship of Horror is an adventure for four to six players of levels 8-10 looking for grisly chills and thrills! TSR 9321

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

Stormy seas rock your vessel, tossing her about like a toy in the jaws of a hound. Thunder rolls in the distance. Then, an arc of lightning splits the sky, and the sound like an exploding fireball all but bursts your eardrums. Your mainmast, struck by lightning, burns, splinters, and topples onto the deck like a felled oak. The last thing you hear is the cracking of wood as the deck explodes into splinters, and the ship is torn asunder. All goes black. You awaken in shackles, half-submerged in water, and surrounded by salmon-pink coral. You survived, but what fate awaits you now? The sound of soggy footsteps echo down the hallway. A creature approaches with an answer. This week’s encounter is Coral Colosseum, a combat encounter in which the characters must prove themselves as worthy gladiators to escape the clutches of a ruthless sahuagin baron. This encounter can serve as a follow-up to Encounter of the Week: Sharkfin Shipwreck, or as a stand-alone mini-adventure. It could also serve as an introduction to Ghosts of Saltmarsh, which releases on May 21st, 2019.

Off the Coast of Clover Island and less than a league away from Corsair Bay is the wreck of the Golden Rose a ship of fame. The Tome Lord from Corsair Bay is looking for a few brave adventurers to go out, find the ship or what remains of it and locate a specific item for him. While the mysterious sage won’t explain what the item is he will tell you that it is protected by mighty magical glyphs of protection so simply obtain the box and bring it to him for the reward. Rumor has it the ship was laden with a great deal of treasure which is free for the party’s taking but the Tome Lord wants the box. Is your party up for a little underwater jaunt?

Venzor Trench is set for a group of characters hired to deliver a magical item between two warring countries. The sea voyage becomes tumultuous and the ship goes down. With the mission unfilled the players utilize the magic item to survive on the bottom of the sea floor and continue to trek their way towards completing their misson through the legendary Venzor Trench!

This adventure is intended for 2 to 3 3rd-level PCs originally from Lankhmar, but can easily be adjusted to accommodate adventurers from other locales. Guidelines are also provided for scaling the adventure for up to six PCs. The events of this adventure lure the party from their home in the City of the Black Toga to an abandoned watch tower on the coast of the Inner Sea, not far from Ool Hrusp. After completing this scenario, they may find reason to further adventure in the Forest Land.

The Merfolk Queen asks adventurers to help retrieve merfolk roe (eggs) from a sahuagin raiding party lead by a sahuagin priestess, with custom water-based magic items as reward. The adventure is for three to four 5th level adventurers at a hard difficulty. Pgs. 137-145

Near the jungles of Chult, beneath the waves of Refuge Bay, lies a ruined city. Evil hags and their minions make their home among the ancient relics. Even deeper down, at the bottom of an old undersea lake, an otherworldly monstrosity guards its eclectic hoard of oddities. What does it know about the Soulmonger? An adventure for characters between levels 4-6 Requires the Tomb of Annihilation adventure This 44 page adventure adds Ishau as a location to your Tomb of Annihilation campaign. It describes the city's history and current inhabitants, including maps, new monsters, and treasure. In an undersea temple, characters face off against a coven of sea hags. The sunken wreck of the Decapus is the lair of sea spawn pirates. And among the ruins lurk giant crabs, skeletal sharks, vegetan mummies, and other monstrosities. A second location, complete with keyed maps, is available to characters who wish to dig deeper: the underwater island-domain of a Morkoth, pulled into Chult by Acererak's magic. The Morkoth's home is in disarray. Trophies it collected from across the multiverse are now running wild and its treasures are being looted by marauders from Ishau. If the characters help, it may share its secrets with them.

Mare Vinceret has kept the underwater city of Conatha thriving for centuries. Deep within the Greyspace lurks a force so strong that it could impede their progress toward peace. It dwells in a place beyond where they would ever choose to go, filled with dark aquatic life and a menacing presence that no one could match. Juliya Alastor, the leader of Mare Vinceret, sends her best to dispose of the threat known only as Biandra, the Hag of Conatha (sea hag). The Hag of Conatha seeks to fix what Mare Vinceret has done to the beautiful land that she sees as corruption in disguise, then live in peace. Biandra has taken their forgotten structure and made it her own. She sits within a threedomed greenhouse with walls blanketed by vines of kelp and seaweed and swimming with deadly aquatic creatures. Within the dark, polluted lair, Juliya's team falls into madness. One by one, Biandra's hallucinatory tricks destroy them, leaving each of them within her grasp. Believing all is lost, Juliya finds a glimmer of hope in a crackled communication one of the members of the party must be alive. She must send out one more group of brave adventurers to bring down Biandra for good and reclaim the underwater dome. Will the adventurers find the lost orc rogue, fight their way in, and investigate through the biodome maze? Or will they be confined to the underwater maze of Conatha in madness, trapped with the Hag of Conatha herself? Pgs. 35-41

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.

Provost Faurious has procured an Aethervane, an astrolabe-like instrument tied to Kythri that's used to navigate manifest zones. Unfortunately for the Provost, the Riedran ship that was carrying the Aethervane across the Sea of Rage to deliver it to their agent in Regalport fell victim to piracy. The player characters are dispatched to Regalport to meet up with the Provost’s agent there and petition High Prince Rygar for more information about the stolen cargo. When the characters dock in Regalport, they meet the Provost’s contact and are ushered into a meeting with High Prince Rygar. Wishing to show his intolerance for piracy, Rygar charters one of his own ships for the party’s use as they investigate the stolen cargo. Upon arriving at the crash site of the stolen cargo, the party is set upon by a fleet of pirates known as the Wind Whisperers. When things turn sour, a new surprise reveals itself as an unnatural storm rolls in, a stolen airship at its heart. The Wind Whisperers have found a way to convert the Aethervane to serve their own purposes. Seeking aid from Rygar and House Lyrandar, the heroes chase after the pirates by sail and airship. As they do, they are bedeviled by the Chaos Fleet—strange ships sailed by an even stranger crew that are drawn to the Aethervane and the chaos it brings. In a final airborne confrontation, the party boards the rogue airship and retrieves the sought-after artifact, with a chance to salvage or sink the stolen vessel in the process…

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…