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Our Latest Deluxe Editions!


The Tectonic Netherdepths: Deluxe Edition

Delve into the depths of the world and discover the long forgotten halls of an ancient civilization! Explore even deeper, through the Undermountain, and find the monstrosities that dwell in these underground caverns!  Traverse the darkness with your fellow adventurers, fight the cults of the old gods, and unveil the secrets of creation itself! This is our full April 2024 release, with about 80 pages of lore, art, encounters, and game mechanics ready to be used in your D&D games. It has a surplus of monsters and items!

$17.99 $24.99

The Emerald Crown: Deluxe Edition

Sail to the Fae-touched Isles, an archipelago of mystical creatures, knights devoted to nature, and a court of dryads and faeries. Discover the secrets of the Emerald Queen, ruler of both dark and light fae, who mysteriously disappeared, leaving her kingdom in strife and chaos. Encounter the great tricksters of fairy tales, battle the nightmarish monsters of the paledark, and piece together the last artifact that can bring peace to the land — the Emerald Crown itself!  This is our full March 2024 release, with about 90 pages of lore, art, encounters and game mechanics ready to be used in your D&D games.

$24.99

The Last Bastion: Deluxe Edition

Ascend to the floating city of Uldann, where elder magics of unimaginable power endure against the winds of time. A city-state of constructs, philosophy, and very turmoiled politics... Define the fate of this illustrious bastion of civilization as you discover an intricate plot taking place upon its ancient stones. This sourcebook is our longest so far, challenging the description of "mini" we usually give them, grazing 100 pages! It is complete with a fully fledged storyline, interwoven with the many monsters, spells, items, feats and encounters you know and love. We hope you enjoy! This is our full February 2024 release, with about 100 pages of lore, art, encounters and game mechanics ready to be used in your D&D games. 

$24.99

The Ichorous Peninsula: Remastered Deluxe Edition

Get 15 pages worth of new monsters, quests and items with the Remastered Deluxe Edition! Venture into the perilous marshland of Selem: discover its harrowing history, aberrant monstrosities, and steadfast protectors. With the Deluxe Edition, receive twice the amount of content as the Base Edition, for a fraction of the price! Includes the Basic Edition, the Threadmaster's Archive expansion, and the Threadmaster's Vault expansion.  This is our full June 2023 release, with 60 pages of lore, art, and game mechanics ready to be used in your D&D games. The Remastered edition has 80 pages.

Starting at $19.99

Allfather's Ink: Deluxe Edition

Delve into the ruined land of Midgard, where the corruption of the Mad God has transformed a once beautiful kingdom into a realm of horrors! Climb to the top of the Blackbark and confront Odin, the host of the nightmare! This edition has been illustrated (and inspired!) by the amazing Kim Diaz Holm and his dark fantasy art! From top to bottom, this booklet is as much a D&D sourcebook as it is an art showcase of his incredible work. We are proud to say the graphic design and artwork is the best we have produced so far! This is our full January 2024 release, with about 75 pages of lore, art, and game mechanics ready to be used in your D&D games. 

$24.99

The Library of Underside: Deluxe Edition

Delve into the Underside, a dungeon of ancient, cursed knowledge, aberrations from beyond the confines of reality, and deathless casters gone mad with the passage of centuries! This entry has a surplus of magical items and monsters compared to most of our releases, reflecting the ancient riches and perils contained within the oldest, most primeval dungeon in our burgeoning D&D universe! This is our full December release, with about 80 pages of lore, art, and game mechanics ready to be used in your D&D games. One of our longest and most ambitious entries!

$24.99

The Rippling East: Deluxe Edition

Travel to the Rippling East, a land of ancient kingdoms and divine dragons! Join the fight against the perilous Yokai and their terrible Oni Emperor! In addition to all the content you know and love from Ariadne's Codex, this edition has a surplus of monsters and magic items, to spice up your games with great variety of mechanics and encounters! This Deluxe Edition also contains an Adventure: to Restore the Narak, that puts many of the monsters and mechanics found in the entry to use! This is our full November release, with about 90 pages of lore, art, and game mechanics ready to be used in your D&D games. It's our most ambitious project yet!

$24.99

The Nova Cluster: Deluxe Edition

Enter the Nova Cluster, a miniature galaxy in the Astral Sea, teeming with ancient artifacts buried in its asteroids, powerful Gaardmen, and unscrupulous spacefaring pirates! In addition to all the content you know and love from Ariadne's Codex, this edition has a surplus of monsters and magic items, to spice up your games with great variety of mechanics and encounters! This is our full October release, with about 70 pages of lore, art, and game mechanics ready to be used in your D&D games.

$21.99

The Molten Crucible: Deluxe Edition

Enter the Molten Crucible, a volcanic expanse teeming with ancient artifacts buried under rivers of magma, greedy warmongering devils, and relentless elementals of fire and lava! In addition to all the content you know and love from Ariadne's Codex, this edition has extra storytelling and narrative content for you and your party to enjoy a unique, extraordinary D&D experience. This is our full September release, with 70 pages of lore, art, and game mechanics ready to be used in your D&D games.

$21.99

The Citadel of Radiance: Deluxe Edition

Discover the holy citadel of Lyntas: walk its glorious streets, see angels living among men, and learn its dark secrets... With the Deluxe Edition, receive twice the amount of content as the Base Edition, for a fraction of the price! Includes the Basic Edition, the Threadmaster's Archive expansion, and the Threadmaster's Vault expansion. This is our full July release, with 60 pages of lore, art, and game mechanics ready to be used in your D&D games. 

$19.99

The Soulfrost Expanse: Deluxe Edition

Venture into boreal forests, dazzling frozen heights, and the unknowable deep frost in the Soulfrost Expanse, an expansion of arctic goodness! Meet the Isark tribes, and the terrible Heralds of the Killing Frost. In addition to all the content you know and love from Ariadne's Codex, this edition has plenty of variant rules and other experimental content for you and  your party to enjoy a unique, unusual D&D experience. This is our full August release, with 70 pages of lore, art, and game mechanics ready to be used in your D&D games. 

$21.99

    The Threadmaster Entries

    We do a lot more than just 80-page entries! These are our monthly additions to the Codex of Strings, bite-sized pieces of content ranging from item compendiums to visual novels. Hark, Threadmaster!


    Pantry of the Multiverse: Volume II

    Another round of magical dishes! Discover the wonders of Azar Khan's cooking in this expansion of our popular Pantry of the Multiverse. This Threadmaster Entry contains another 20+ pages of magical dishes, food-related creatures, and cooking mechanics to spice up your taverns.

    $9.99 $12.99

    Garas' Journal of Exceptional Creatures

    Discover the most powerful, strange, and incredible creatures the multiverse has to offer in this journal depicting the travels of Yrith Garas, Threadmaster of Discovery and Exploration. Read the entries on the four earthly monsters encountered by the Silver Dragon in his adventures and unveil the secrets behind the War of Eternity!  This sourcebook is our Threadmaster entry for the month of March, and contains 30 pages of content, depicting lore, details, and game statblocks of the most exceptional creatures the material plane has to offer! 

    $12.99

    Pantry of the Multiverse

    Delve into the world of magical meals and culinary mastery with Azar Khan, head-chef of the City of Strings! Peruse the many delights this booklet has to offer and learn to cook from the greatest minds in the multiverse!  This sourcebook is our Threadmaster Entry for the month of February, and contains 20 pages of content, from magical dishes to several stat sheets for your chef NPCs.

    $12.99