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The Castle Automatic
The Castle Automatic
A megadungeon for His Majesty the Worm
100+ rooms
5 levels
4 mechanical kings
3 time engines
2 lost dwarves
1 Worm in the center of the Underworld
Dungeons
Dungeons
Creator: Florian Ingels
In search of an alchemist who has been missing for years, the characters find themselves caught in a time trap, where two factions are waging an eternal battle: who will win between the Green Lion cultists, who want to kill the Sun, or the Solar Angels, who are determined to wipe out this pathetic sect?
In search of an alchemist who has been missing for years, the characters find themselves caught in a time trap, where two factions are waging an eternal battle: who will win between the Green Lion cultists, who want to kill the Sun, or the Solar Angels, who are determined to wipe out this pathetic sect?
Creator: Leonard Schellauf
Sorrowful moaning hangs in the air.The floor is covered in blood.The big cave is filled with a weird fleshy growth.Like trees those mushroom-like lumps of flesh combine into a small and horrifying forest.
Sorrowful moaning hangs in the air.The floor is covered in blood.The big cave is filled with a weird fleshy growth.Like trees those mushroom-like lumps of flesh combine into a small and horrifying forest.
Creator: A Perfectly Good Pit
Before it was pulled into the mythic Underworld, the castle of house Greatclay was a marvel. Its lords were welcoming and courteous, hosting parties and exchanging gifts with guests from all over the Wide World. Their servants knew no fear under the shadow of their animate colossus. And, while the castletown and battlements were humble and unassuming, inside the keep the Greatclay’s kept a wealth of wondrous art.
Before it was pulled into the mythic Underworld, the castle of house Greatclay was a marvel. Its lords were welcoming and courteous, hosting parties and exchanging gifts with guests from all over the Wide World. Their servants knew no fear under the shadow of their animate colossus. And, while the castletown and battlements were humble and unassuming, inside the keep the Greatclay’s kept a wealth of wondrous art.
Creator: Markus M
Far below the hustle and bustle of the City, now intertwined with the rest of The Underworld, lies Cladwell’s Cul-de-sac, the venerable Count Doran Cladwell still holding court among his ancient courtiers.
Far below the hustle and bustle of the City, now intertwined with the rest of The Underworld, lies Cladwell’s Cul-de-sac, the venerable Count Doran Cladwell still holding court among his ancient courtiers.
Creator: Giant Robot Tackler
Crime of Passion is a dungeon level centered on the conflict between two former lovers (celestial bodies) who had a nasty breakup and now dedicate the rest of their existence to making that everybody’s problem.
Crime of Passion is a dungeon level centered on the conflict between two former lovers (celestial bodies) who had a nasty breakup and now dedicate the rest of their existence to making that everybody’s problem.
Creator: Federico Burd
Explore The Dream Worm’s Dungeon, a labyrinthine world shaped by the enigmatic Dream Worm. This ever-shifting dungeon is crafted from the dreams and fears of adventurers, growing more surreal and nightmarish as you descend.
Explore The Dream Worm’s Dungeon, a labyrinthine world shaped by the enigmatic Dream Worm. This ever-shifting dungeon is crafted from the dreams and fears of adventurers, growing more surreal and nightmarish as you descend.
Creator: Leonard Schellauf
Berthold von Butterheim is dead. While his manor was claimed by distant relatives, his expensive wine collection was never found. Once situated somewhere underneath the Vinegar District, the Wine Cellar of Berthold von Butterheim has slowly sunken down into the underworld. A beautifully illustrated adventure.
Berthold von Butterheim is dead. While his manor was claimed by distant relatives, his expensive wine collection was never found. Once situated somewhere underneath the Vinegar District, the Wine Cellar of Berthold von Butterheim has slowly sunken down into the underworld. A beautifully illustrated adventure.
Creator: Bob W.
After losing his precious Liqueur Worms to devious Elementals, Master Chen, wise Daoist alchemist seeks an adventuring Guild to go into the sinkhole created by the Elementals to retrieve his lost Liqueur Worms. A fully illustrated Chinese Xianxia inspired science fiction adventure.
After losing his precious Liqueur Worms to devious Elementals, Master Chen, wise Daoist alchemist seeks an adventuring Guild to go into the sinkhole created by the Elementals to retrieve his lost Liqueur Worms. A fully illustrated Chinese Xianxia inspired science fiction adventure.
Creator: Julian Phantasm
Once upon a time, a fairy noble crafted a beautiful garden out of candles, glass, and mirrors, with a touch of sun, moon, and illusion to bring it all to life. By night, the garden turns cruel and twisted, by day its honorable and polite. Parts of the Garden grow wild, the painted skies threaten to chip and break, and strange threats both native and invasive lurk on the clean, tiled paths.
Includes new monsters, magic items, and a new magic realm!
Once upon a time, a fairy noble crafted a beautiful garden out of candles, glass, and mirrors, with a touch of sun, moon, and illusion to bring it all to life. By night, the garden turns cruel and twisted, by day its honorable and polite. Parts of the Garden grow wild, the painted skies threaten to chip and break, and strange threats both native and invasive lurk on the clean, tiled paths.
Includes new monsters, magic items, and a new magic realm!
Creator: Scobblehog Press
The Hanging Tower is intended to be a good general starting location for the Underworld that might be compatible with a variety of underworlds that you create. The level was generated using tables from Maze Rats and Knave.
The Hanging Tower is intended to be a good general starting location for the Underworld that might be compatible with a variety of underworlds that you create. The level was generated using tables from Maze Rats and Knave.
Creator: froggedmouth
This is a dungeon built to be placed into your Underworld for His Majesty the Worm. Explore the Talien Monastery, a long forgotten and long lost relic of the past. With its inhabitants dead or missing, new life is born from the old as the monastery once again crawls into a new age.
This is a dungeon built to be placed into your Underworld for His Majesty the Worm. Explore the Talien Monastery, a long forgotten and long lost relic of the past. With its inhabitants dead or missing, new life is born from the old as the monastery once again crawls into a new age.
Creator: Twilit Grotto Press
Introduction to a science-fantasy setting for His Majesty the Worm: The Vale! Short dungeon with a frog that makes you sad.
Introduction to a science-fantasy setting for His Majesty the Worm: The Vale! Short dungeon with a frog that makes you sad.
Creator: Castella
The Riddle of the Beggar Prince is a plague-ridden dungeon crawl. Use it as a standalone dungeon or introduction to the system with a self-contained quest, or connect it to your Underworld through its two entrances.
The Riddle of the Beggar Prince is a plague-ridden dungeon crawl. Use it as a standalone dungeon or introduction to the system with a self-contained quest, or connect it to your Underworld through its two entrances.
Creator: Josh McCrowell
Official supplement! Below the surface of the City is the Lower Ossuary—an underground temple that houses crypts and shrines to the four cardinal virtues: Temperance, Fortitude, Justice, and Wisdom. The temple is currently befouled as the City-dwellers have routed a sewer through it. If the adventurers can cleanse the four shrines, the encroaching Underworld might be driven back. However, something dwells at the center of the Lower Ossuary. Something wicked. Something that can’t stop laughing...
Official supplement! Below the surface of the City is the Lower Ossuary—an underground temple that houses crypts and shrines to the four cardinal virtues: Temperance, Fortitude, Justice, and Wisdom. The temple is currently befouled as the City-dwellers have routed a sewer through it. If the adventurers can cleanse the four shrines, the encroaching Underworld might be driven back. However, something dwells at the center of the Lower Ossuary. Something wicked. Something that can’t stop laughing...
Creator: Sydney Manno
Though the exact amount of time since the fall of the Estate is unknown, it has clearly been enough for the location to find new tenants. The fraction of the Estate that’s been discovered is home to all manner of creepies and/or crawlies, most of whom are divided into factions desperate for a piece of the luxuries and treasure that still remain, trying to squeak out an existence among the many still-present dangers. In other words: an adventurer’s paradise.
Though the exact amount of time since the fall of the Estate is unknown, it has clearly been enough for the location to find new tenants. The fraction of the Estate that’s been discovered is home to all manner of creepies and/or crawlies, most of whom are divided into factions desperate for a piece of the luxuries and treasure that still remain, trying to squeak out an existence among the many still-present dangers. In other words: an adventurer’s paradise.
Creator: Lusunati
Deep below the city, there is a library. Just as the souls of the departed head to the underworld, the ashes of burnt books arrive in this library. The Library Heretical. A dungeon patch is a set of a few rooms that can be threaded into your underworld to add flavor, interstitial areas, or a springboard into making your own dungeon levels. Mix, Match Cut and Chop. Loot the library's fetid shelves for materials for your own campaign.
Deep below the city, there is a library. Just as the souls of the departed head to the underworld, the ashes of burnt books arrive in this library. The Library Heretical. A dungeon patch is a set of a few rooms that can be threaded into your underworld to add flavor, interstitial areas, or a springboard into making your own dungeon levels. Mix, Match Cut and Chop. Loot the library's fetid shelves for materials for your own campaign.
Adventurer Options
Adventurer Options
Creator: BeavermancerSo you want to carry more than your pack holds, eh? Well in the Underworld, it’s not as simple as you might think. Here are some suggested rules for handcarts, mules, and torchbearers. Remember, you’re cheating the system here, so it’s not going to be a free ride.
Creator: Shareware Salvo and Zach Markusse
- A new kin, the shape-shifting Changeling. Complete with a new kin talent and all the kin bells and whistles!
- 8 new talents, 2 per Path. Ranging from shop keeping to plain-old heckling, these talents allow for a greater breadth of adventurer types at a mechanical level.
- A slightly tweaked, expandable, talent system, encouraging varied character "builds" and role-play options. It also leaves room for other homebrewed talents!
Creator: Viridian Void Productions
This product is a collection of spells for His Majesty the Worm, but inspired by the Deep Apiarist from Heart. It is written with greataffection for both games.
This product is a collection of spells for His Majesty the Worm, but inspired by the Deep Apiarist from Heart. It is written with greataffection for both games.
Creator: Gryps Castratrix
A book of twenty-two human houses for His Majesty the Worm. Saints and sadists, lovers and haters, alchemists and hunters and cultists and clowns.
A book of twenty-two human houses for His Majesty the Worm. Saints and sadists, lovers and haters, alchemists and hunters and cultists and clowns.
Creator: LoopQuantumWyrmPaths of Divinity is a set of talents, released as a beta. The PDF contains a set of slides with talents and public domain art of tarot modified by myself.
Creator: lalaithion42
This is a path for His Majesty The Worm which is based on the classic Cleric and Paladin classes. The abilities included can also be added to the classic paths to enhance their variety.
This is a path for His Majesty The Worm which is based on the classic Cleric and Paladin classes. The abilities included can also be added to the classic paths to enhance their variety.
Creator: Loren Peterson
- A new Path with 6 new talents focused on using your blood to fuel spells, alchemy and more
- A new Maleficence table full of blood and body horror
- A new terrifying monster that slithers through the blood of all living mortals waiting to be awoken in a bloody mess
- A new faction of secretive blood knights to haunt your dungeons and cause problems in the city
- New city actions!
Creator: Elliott Freeman
Skalech's Apocryphonium contains a bevy of new spells from three schools of esoteric magic:
Skalech's Apocryphonium contains a bevy of new spells from three schools of esoteric magic:
- the winter-wizardry of the Wassail,
- the bloody blessings of the Wort, and
- the inadvisable ingenuities of the Wright.
Creator: Traveling Alchemist Games
Undercity Critters adds a new Kith and 4 new Kin to His Majesty the Worm! Play as Dog-like Kobolds searching for their loyal companion, Frogfolk Ribrits honing their skills in Tongue-Fu, Build complex tunnels as a Ratling, or become a literal cat burglar as a Kashyn!
Undercity Critters adds a new Kith and 4 new Kin to His Majesty the Worm! Play as Dog-like Kobolds searching for their loyal companion, Frogfolk Ribrits honing their skills in Tongue-Fu, Build complex tunnels as a Ratling, or become a literal cat burglar as a Kashyn!
Creator: WolfCorpMediaThis supplement includes new ready to play character option in the form of a new Kith and three Kin: The fanged and tailed descendants of the cursed; the Weresouled, the rejected children of man and mermaid; the Lorelei, and the Engraved; constructs who have developed souls of their own.
Creator: Eric Minton
This supplement contains the magical or otherwise extraordinary items, pieces of armor, weapons, books, instruments, garments, and new spells.
This supplement contains the magical or otherwise extraordinary items, pieces of armor, weapons, books, instruments, garments, and new spells.
Characters & Creatures
Characters & Creatures
Creator: Pete Newby-RogersThe Underworld is home to innumerable breeds of spider, from tiny harmless specimens to nightmare fuel writ large. Hopefully this sample will inspire you to further populate the Underworld with your own eight legged creations. In the following pages you will a bestiary of new spiders and their alchemical reagents.
Creator: castellacakes
Anatomy of a Wormfiend is your go-to toolkit for juicing up your monsters in His Majesty the Worm. Unlock the incredible potential of the system's nuanced tarot-based combat engine and use all of the mechanical hooks at your disposal to their maximum potential.
Anatomy of a Wormfiend is your go-to toolkit for juicing up your monsters in His Majesty the Worm. Unlock the incredible potential of the system's nuanced tarot-based combat engine and use all of the mechanical hooks at your disposal to their maximum potential.
Creator: ArcaneSporecery
A flyer with alternate rules for creating rival guilds!
A flyer with alternate rules for creating rival guilds!
Creator: Erdete
The Wormblight is a module that twists the Underworld in His Majesty the Worm, where from the very Worm an invisible poison seeps. At the end of the Camp Phase, the adventurers will draw from the deck and slowly accumulate Wormblight. Then, the higherthe Wormblight, the more likely they are to suffer it’s terrible consequences. This supplement also contains a couple of enemies and their reagents!
The Wormblight is a module that twists the Underworld in His Majesty the Worm, where from the very Worm an invisible poison seeps. At the end of the Camp Phase, the adventurers will draw from the deck and slowly accumulate Wormblight. Then, the higherthe Wormblight, the more likely they are to suffer it’s terrible consequences. This supplement also contains a couple of enemies and their reagents!
Creator: LoopQuantumWyrm
Zaragozà's Manuscript of Monstrosities is a compendium with few monsters for use with Cairn/Mark of the Odd games and His Majesty the Worm. It features human made art. It is a small bestiary, but will be updated recurrently with new drawings and stats.
Zaragozà's Manuscript of Monstrosities is a compendium with few monsters for use with Cairn/Mark of the Odd games and His Majesty the Worm. It features human made art. It is a small bestiary, but will be updated recurrently with new drawings and stats.
Miscellanea
Miscellanea
Creator: Adam SeatsA series of rules to encompass a fishing minigame, some new items and talents related to it, and one particularly special bonus for those of you who wish to live out your inner Ahab while traversing The Underworld.
Creator: WayspellHave you been deep delving in His Majesty the Worm, but wishing for a break for a more light hearted pub crawl, a la Barkeep on the Borderlands? Or just wanting to play Barkeep using His Majesty rules? Either way, you're in luck as His Majesty the Barkeep has exactly that!
Creator: Tawny C
This supplement adds depth to overland travel and exploration. Its main features, aiming to complement the existing dungeon crawling, are a method to randomly generate overworld realms with varied terrain; four new environmental hazards to replace or complement darkness (heat, cold, miasma, and storms); and a random weather system to help deliver those hazards and other interesting events alongside HMTW's existing Meatgrinder system. It also adds additional small rules suited for use in an overworld adventure: currently, outposts, traveling light, and pack animals.
This supplement adds depth to overland travel and exploration. Its main features, aiming to complement the existing dungeon crawling, are a method to randomly generate overworld realms with varied terrain; four new environmental hazards to replace or complement darkness (heat, cold, miasma, and storms); and a random weather system to help deliver those hazards and other interesting events alongside HMTW's existing Meatgrinder system. It also adds additional small rules suited for use in an overworld adventure: currently, outposts, traveling light, and pack animals.
Creator: Max HellThe Lore of Ten Sparks is a simple but versatile meta-system, written for His Majesty the Worm, but functional in almost any tabletop game. The purpose of this system is to provide a mystical tone along with an engaging play experience. Each time an Essence is invoked, players have the chance to radically change their fate for fair or foul; the question of which remains a mystery until the consequences of their choices unfold.
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