Minotaurs are fond of mazes, but rarely build them. Hex is an architect, engineer, and overlord all in one. A self-declared "Minotaur Lord", he is the only one of his kind known to exist. His lair is all he has, a gargantuan, ever-expanding labyrinth in which he keeps the spoils of his many conquests in youth. Now an ancient veteran, he works tirelessly to keep his hoard safe and to entice new adventurers to test themselves against his gauntlet of lethal traps. Tyrants and Hellions is a Dungeon Master's aide, containing fifteen villains complete with schemes, lairs, backstories, and everything else you need to drop them into your own 5th Edition Dungeons & Dragons campaign. Within its 400 pages you'll also find the methods, both mechanical and thematic, used to create villains that spark the imaginations of your players. Hex is one of these villains, and his adventure takes up 33 pages (pg 110-143). Published by 2CGaming

Beware the Mighty Leviathan! An ancient monster emerges from the depths, freed from its forced slumber by an evil cult. A mighty serpent swims out to meet it, but it will not be enough. You, mighty heroes, must fly to the temple on top of the creature's head, defeat the cult, and return the leviathan to its stony prison. This is a short adventure for 5e, playable in a single-session. It's primarily a dungeon crawl, inspired by the over-the-top pulp action of the 70s and 80s. The party needs to get to the dungeon, fight some bad guys, deal with some traps, and save the day. Easy! An evil sahuagin cult, including a few merrow and a green hag, has taken control of a giant sea creature that had been trapped in stone for hundreds of years, and are currently in a temple that is fixed to the monster's head.

At last- an opportunity to avert the threat to the little town of Saltmarsh! The real enemies have been identified-- evil, cruel creatures, massed in force and viciously organized. Can the brave adventurers thwart this evil and ensure the safety of Saltmarsh? The Final Enemy is the final part in the series of three modules designed and developed in the United Kingdom for beginning adventures with AD&D rules. Its plot follows directly from those of the first two parts (U1 - The Sinister Secrets of Saltmarsh, and Module U2 - Danger at Dunwater.) TSR 9076

"The Aboleth's Grotto" is a nihileth lair suitable for four 10th-level characters. The adventure can be completed in one session. The small town of Springwell harbors a secret that almost nobody knows about, and those who do conveniently ignore: it sights right over an unoccupied settlement of the deep caverns of the underworld.

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

Vaylek the reclusive hydromancer did not often leave his seaside tower. Now he is missing. What strange and magical secrets lie within? What deadly perils and grotesque creatures might call that tower home? The mysteries of his tower await the brave and resourceful! This 5e ocean-themed adventure is intended for player levels 1-3 and contains: 6 levels of maps and exploration A floor filled with aquariums containing new and wonderous sea creatures A secret lab 6 new monsters--including Frankenlobster, Saltwater ooze, Sea gobblers, and Sharkdogs! Wandering monster tables and descriptions of what the monsters are doing New magic items An overland map An optional adventure setting

The Sea of Fallen Stars connects the eastern and western sides of Faerûn. Many nations that border shorelines along its vast expanse also maintain major navies and trade fleets. A plethora of creatures and humanoid races typically found in the ocean depths live there, including sahuagin, sea elves, merfolk, and locathah. This is a story about what happens when a normally peaceful species is pushed to the point of open conflict. As elemental forces threaten the safety of the nearby locathah communities, heroes rise from among their number to strike back and defend their homes and families. Locathah Rising is a DUNGEONS & DRAGONS adventure designed for 9th-level characters.

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

The second installment of the Skull and Shackles Pathfinder adventure path. Bound for adventure upon the pirate vessel they've taken as their own, the heroes face a sea of dangers as they chart a course to become true Free Captains of the Shackles. But life as a pirate doesn't prove any easier now that they're in command, as deadly sea monsters, the corpses of drowned scalawags, and raiders from the deep rise to oppose them. When a most unusual map falls into the adventurers' hands, they have the chance to change their fate in a shingle daring raid. Is it the heroes' destiny to be the next victims of the merciless waves, or will fortune smile upon them and spur their rise as the newest and most infamous pirates of the Shackles

The Submerged Spire of Sarpedon the Shaper lies to the west of the Isle of the Dismemberer. On the northwestern shore of this island, crumbling steps spill from the shore directly into the sea. There, a seaweed choked stone path can be glimpsed winding down into the depths. At low tide, a quarter mile along the path, a lone onion dome may be seen poking through the waves. In the twilight of the sorcerer lords, The Submerged Spire was the jewel of the Shattered Isles. Within his submarine redoubt, Sarpedon penetrated ever deeper into the organic mysteries. Now, its for- lorn dome the roost of seagulls, its secrets slumber beneath the waves.

Something stirs in the waters surrounding Port Wadegrave, a strange presence which has sown fear and discord throughout the coastal town, and sailors fear to cast out upon the waves! Can anyone get to the bottom of these mystery monster sightings and make the port safe once more? Ancient Cargo is a sea-faring adventure for Dungeons & Dragons 5th edition in which the Player Characters (PC’s) must defend a ship against a host of oceanic threats if they hope to complete their journey to Port Wadegrave. This adventure is designed for characters of 2nd to 4th level and is optimised for four characters with an average party level of 3. The adventure is setting agnostic and can easily fit into any published or homebrew world.

Deep in the jungles of Xen'drik, a relic of great power has lain hidden for thousands of years. Now, determined adventurers race against time and the nefarious agents of the Order of the Emerald Claw to locate the relic, overcome unimagined obstacles, and unlock its ancient secret. The Order's hunt for the parts of an ancient creation pattern nears its conclusion, but other groups also seek this powerful item. Once all of the pieces come within close proximity of each other, the ancient intelligence awakens. Suddenly all parties have a new and powerful enemy to contend with...

Nestled on the coast of the Azure Sea is Saltmarsh, a sleepy fishing village that sits on the precipice of destruction. Smugglers guide their ships to hidden coves, willing to slit the throat of anyone foolhardy enough to cross their path. Cruel sahuagin gather beneath the waves, plotting to sweep away coastal cities. Drowned sailors stir to unnatural life, animated by dark magic and sent forth in search of revenge. The cult of a forbidden god extends its reach outward from a decaying port, hungry for fresh victims and willing recruits. While Saltmarsh slumbers, the evils that seek to plunder it grow stronger. Heroes must arise to keep the waves safe! Ghosts of Saltmarsh combines some of the most popular classic adventures from the first edition of Dungeons & Dragons including the classic ‘U’ series and some of the best nautical adventures from Dungeon magazine: The Sinister Secret of Saltmarsh Danger at Dunwater The Final Enemy Salvage Operation Isle of the Abbey Tammeraut’s Fate The Styes All adventures have been faithfully adapted to the fifth edition rules of Dungeons & Dragons. Furthermore, this book includes details on the port town of Saltmarsh, as well as plenty of hooks to kick-off each adventure. Play through each story in a seafaring campaign leading characters from level 1 through level 12, or pull out sections to place in ongoing campaigns in any setting. The appendices also cover mechanics for ship-to-ship combat, new magic items, monsters, and more! “The Saltmarsh series consistently ranks as one of the most popular classic D&D adventures,” said Mike Mearls, franchise creative director of D&D. “With its ties to ocean-based adventuring, it was an obvious step to augment it with additional sea-based adventures and a robust set of rules for managing a nautical campaign.” Hoist your sails, pull up anchor, and set a course for adventure!

Standing 100 feet off the shores of the vast Sapphire Lake are the ruins of a small fortress standing atop a rocky islet. The fortress belonged to a lich posing as a warlord from the Kingdom of Old Hagada, but fell rapidly into ruin when the Shrouded Hero was able to pierce the lich with the Blade of Five Seals. The lich cursed the assassin and his incompetent guards with his final breath. He cursed them to the same fate, their bodies petrifying and all of their souls being sealed in the Sheath of Five Seals. Afterwards, the warlord’s armies were defeated on the battlefield and the fortress became abandoned. In this short 3rd level dungeon crawl, the party investigate a ruined island fortress to solve a mysterious puzzle box. You can run this as a one-shot or plop this into your campaign world with minimal effort. The adventure is designed for Shadowdark RPG and references the core rulebook. If you're an experienced game master, you could convert the adventure to whatever system you prefer.

Baron Rajiram’s forces have secured the Nelanther Isles and have scoured the Sword Coast for treasures. Now they have begun to explore a mysterious island that recently just popped into existence nearby. SEER seems to believe that an aboleth artifact is their goal. It is up to the adventurers, in competition with the baron, as well as aboleths, the Kraken Society, and the mysterious caretaker of the island, to locate the Eye of Xxiphu and avert catastrophic disaster.

Time is running out for the members of the Ivory Scimitar as they strive to overcome the latest challenges of the Infernal Machine and Mithelvarn's Labyrinth. With the discovery of a secret entrance into the 5th level of the dungeon, the party must now enter uncharted waters with an entirely new type of environment and monstrous threats. Can they withstand these new creation of the Machine, and will they finally breach the 6th seal and gain entry into the last level of the legendary dungeon and save all of Roslof Keep? This adventure is formatted to both 1E & 5E gaming rules. Also available in PDF.

STILL WATERS Sushi or Steak? Freshwater sahuagin!? Landlocked for hundreds of years, this colony of sahuagin have adapted to live in fresh water and flourished in secret, at least until recently, with the aid of a mysterious patron. Now, they need the party’s help to retrieve something precious to them… This adventure was originally made for a West Marches campaign, but is designed to easily fit into any standard fantasy setting. There are many areas to insert plot hooks for your own world or campaign. A 4-hour adventure for 6th-8th level characters by ALAN TUCKER

Trouble darkens the shores of the Vezdali Peninsula when an earthquake hits, sending part of the village of Palma Flora down into the sea. Seizing their chance a tribe of Sahugain descend upon the village, lead by their leader Selachai, a Sahugain Warlock.

This adventure works best after going through the original trilogy (Death, Terror, and Madness in Freeport). After exposing the madness and corruption of the previous Sea Lord, a succession crisis is upon Freeport. There are no heirs to the seat of power, leading the Captains' Council to overturn the Law of Succession. But opening up succession plunges the city into chaos as various factions vy for the title. The PCs will need to survive riots and secret plots to make sure the right man (or woman) ends up with the job.

A terrible thunderstorm batters a seaside port, yet thunder and lightning are nothing compared to what is about to be unleashed by the diabolic crew of the Rabid Dawn. Casters with access to control water, control weather, or control winds will prove especially valuable, as will characters with strong Swim skills. The adventure is best suited to a predominantly good or neutral aligned party of PC's. Strike on the Rabid Dawn takes place in the port city of Hardby (Dungeon #109). As most of the action takes place within a lighthouse and on a ship at sea, however, any suitable port from your campaign makes an appropriate substitution for Hardby. Pgs. 12-32