Living pirates are a common enough hazard around the islands known as the Serpent's Teeth. A dead one is even more trouble- especially when his treasure has been stolen. Characters who successfully complete this adventure should be of sufficient level to tackle the award-winning Freeport trilogy, Death in Freeport, Terror in Freeport, and Madness in Freeport. Pgs. 84-103

The lerendi princess, Corinna, has disappeared. She set sail aboard a ship of the Minrothad Guilds - the guilds whose ships have been pirated and plundered for many weeks. Trade is horribly disrupted as many ships leave, never to be seen again. The guild masters now call for adventurers of great skill and renown. They offer small fortunes to any who can help them discover who is pirating their ships. But most importantly, to any who can rescue the princess. Can you and your party of adventurers defeat the dangers that lurk in the dark depths of a terrifying sea? Or will you find a watery grave within the cold confines of a murky sea floor? This game adventure contains special rules for underwater adventuring. TSR 9079

Called by the Elder Elemental Eye to serve, four corrupt prophets have risen from the depths of anonymity to claim mighty weapons with direct links to the power of the elemental princes. Each of these prophets has assembled a cadre of cultists and creatures to serve them in the construction of four elemental temples of lethal design. It is up to adventurers from heroic factions such as the Emerald Enclave and the Order of the Gauntlet to discover where the true power of each prophet lay, and dismantle it before it comes boiling up to obliterate the Realms.

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

Taag'thrith, born a gith but transformed into an illithid by ceromorphosis, has been finally found purpose: the assimilation & understanding of all knowledge. Taag'thrith plans to unleash a 10th level spell that will grant him just that-at the cost of all sentient life on the Material Plane. Will the heroes be able to traverse the dangerous corpse of a dead God, find Taag'thrith's aqueous lair the Eternal Spirals, & pit their foes against one another in order to destroy the foul lich once and for all? Or will they fall prey to the threats trapped within the Eternal Spirals & sink beneath the surface forever? They Came from the Deep is the second installment in Pretty Little Liches: a trilogy of adventures centered around three unique liches and their lairs designed for high-level play. These three lairs and the surrounding regions can be run independently as individual adventures or tied together into a mini-campaign that centers on the destruction of the Green Hand, an organization of dangerous liches.

With the dawning of the Age of Lost Omens, a supernatural hurricane known as the Eye of Abendego brought ruin to the nation of Lirgen. Today, what was once a powerful nation exists as a flooded swampland, its fallen cities immersed under the endless flood of a perpetual storm. In Hyrantam, the ruined capital of Lirgen, a few stubborn survivors have managed to eke out a living for themselves, but now, strange new patterns in the storm that constantly looms on the horizon have swept local predators into violent frenzies. Worse, a new sect of strange seers known as the Stormreaders has come to the area, and its demands on the people of Hyrantam have grown increasingly dire. What link might the Stormreaders have to these new squalls, and what vile plots might they be hatching from their new seat of power deep in the drowned city’s ruins? Seers of the Drowned City is an adventure for 6th-level characters and features a poster map of the ruins of Hyrantam. The author of this adventure, Nicholas Wasko, was the Season 9 winner of the RPG Superstar contest, in which hundreds of unpublished authors compete for the chance to write a Pathfinder Module. In addition, this book contains a host of new monsters and magic items designed by the contest’s talented runners-up. Seers of the Drowned City is designed for four characters and uses the medium XP track. The characters will reach 8th level by the end of the adventure.

The sleepy village of Raven's Lake has a secret: A terrible god lives in the depths of the settlement's namesake. The citizens of Raven's Lake know that something lives in the lake. People who go out on the lake after dark go missing far too often and frequently turn up weeks later with no memory of where they've been. The local church of St. Cuthbert has been abandoned no fewer than seven times in the last two years, each time its lone cleric packing hastily and fleeing town without a word. Adventurers who come to Raven's Lake have a habit of vanishing forever. The truth is that something does indeed live in Raven's Lake but it is far from a deity. It's an exiled aboleth by the name of Zlorthishen. Pgs. 33-36

Note: This is a sequel to Out of Body, Out of Mind. The legend of the realm of Tirna'cel is well known. Once remembered for its power-mongering warlords, homunculi-wielding sorcerers, and archfiends from the deepest pits of the Abyss, Tirna'cel has become a powerful and welcoming land over the last 600 years, due in no small part to the efforts of the warlord Tirna'gael, a member of the land's founding nobility. But your party knows the truth. You ventured into the tomb of Tirna'gael some six months ago, and therein discovered that the fallen warlord was actually little more than his brethren: a petty, avaricious power-monger. Possessed by a rival force which also desired the kingdom - a rare incorporeal demon called a nescent, which inhabited his body and augmented his already incredible power to unforeseen levels - Tirna'gael sought to overthrow the ancient warlords only to replace them. Through Tirna'gael's augmented body, the nescent overwhelmed and eliminated the other warlords, eventually dominating the realm along. But before it could consolidate its rule and throw Tirna'cel into an even darker age, the secret of its power was discovered by the paladins of Garadon, a virtuous cell of justice and light. The paladins lured Tirna'gael into the center of his own fortress and trapped him there within a powerful anti magic field. His body withered and died but the nescent remained dormant, waiting for its chance for revenge. During your visit to Tirna'gael's fortress-tomb six months ago, you accidentally released the nescent from its prison. That enemy has since been vanquished - at least for the time being - but the memory of your pitched battle against it still lingers as you approach the original chapter house of the Order of Garadon. You have been summoned.

Along the windswept sea coast are several natural stone columns, sacred to the Sea Goddess Pelagia. One of these pillars is the tower of a reclusive wizard, a devout follower of Pelagia. But the wizard has gone missing, and the locals suspect foul play. Surely a powerful wizard must have many enemies! A band of fledgling heroes is tasked with entering one of the Pillars of Pelagia to contend with all manner of magical defenses, while uncovering cryptic clues to the wizard’s disappearance planted by an unknown benefactor. The insidious evil plot they uncover could spell eventual doom for the surface world. But the Pillars are sacred to Pelagia, and the Sea Goddess herself might just play a minor role, aiding the heroes as they attempt to thwart a nefarious plot.

The ship makes its way into the Corsair Mists, a region of the Halo Ocean said to devour ships and drive sailors mad. Somewhere in the oppressive fog, the White Ship awaits, but before the Adventurers can make it to their final desination, they must overcome the challenges of the mist. The fell necromancer Molo of the Thirteen Wives is still out there, still seeking to find his key to immortality and power that could jeopardize the entire Nameless Realms, and only the fearless crew can stop him. Join a sea elven ritual to hunt megalodon sharks, explore a long-cursed alchemist's tower made of blue crystal, and journey to the forge of Hyperion, Titan of Fire, himself. This adventure is formatted to both 1E & 5E gaming rules. Also available in PDF.

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

A desperate rescue beneath the waves. The Deadly Sea is an oceanic quest for 4-8 characters of 4th-7th level in the AD&D® game. The use of magical items or spells which aid undersea combat, movement, and breathing is strongly advised. The ability to open locks is also helpful, as are mariner skills and knowledge. See additional notes in the section ‘‘For the Dungeon Master.” The adventure begins at a seaport which the Dungeon Master should name and develop as desired, to fit the circumstances of his campaign. The names of other areas may be changed to fit the campaign as well. This module requires some detailing and planning prior to use.

Strange calamity has come to the Moonstone Reach. What was once a foreboding forest is now completely underwater, the gods Umberlee and Mielikki locked in dispute over the wondrous biome. Umberlee calls forhomage and claims dominion over what she sees as rightfully hers.

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.

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

"There's this huge fish in my mine," says the gnome, "and you've got one week to get rid of it." A gnomish mine at the bottom of Whitelake is being terrorized by a giant pike. The party has a week to find a way to capture or kill the beast. However, once they do, another monstrous fish attacks. The party eventually finds a tribe of merrow has claimed a cave on the north shore and are releasing the fish to keep the gnomes away.

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

Operating as secret agents for the Lords of Waterdeep, a promising lead takes you deep into the world of the Xanathar, but what will it take for you to return?

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.

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