Get the entire Core XII catalog, heftily discounted and in a neat promotional package! Hours and hours of original and unique D&D content: optional rules, monsters, magic items, quests, feats, spells, settings, lore...  Don't want all of them? Check out our promo packs instead!  This promotion includes our CORE XII sourcebooks, or about 1000+ pages of D&D content for you to explore! Specifically, it contains the following products: - The Ichorous Peninsula: Remastered Edition - The Citadel of Radiance: Deluxe Edition - The Soulfrost Expanse: Deluxe Edition - The Molten Crucible: Deluxe Edition - The Nova Cluster: Deluxe Edition - The Rippling East: Deluxe Edition - The Library of Underside: Deluxe Edition - Allfather's Ink: Deluxe Edition - The Last Bastion: Deluxe Edition - The Emerald Crown: Deluxe Edition - The Tectonic Netherdepths: Deluxe Edition - The City of Strings: Deluxe Edition - Ariadne's SRD v.1.0

The Full Threadmaster Catalog, at a discounted price!  As part of our latest promotional package, this product includes Ariadne's SRD V.1.0 and a short story, Fallow's Singularity!  This bundle contains the following products: - Pantry of the Multiverse - Pantry of the Multiverse: Volume II - Garas' Journal of Exceptional Creatures - Myriel Genra's Deck of Many Fates - Fallow's Singularity: Volume I (unique to this promotion) - Ariadne's SRD v.1.0 Don't want all of them? Purchase the individual documents on our Store!

Be welcome, dear threadseeker, to the illustrious City of Strings! Discover the secrets guarded within the bastion of knowledge itself, meet the Threadmasters that lead our Order, fight the powerful creatures that threaten it, and save Ariadne herself from the clutches of betrayal in this MASSIVE entry! This is our full May 2024 release, with 125 pages of  lore, art, encounters, and game mechanics ready to be used in your D&D games. By far the best value per page of any sourcebook in the Codex, as it doubles the amount of content of most previous entries. 

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!

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.

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 one of 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. 

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.

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. 

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 2023 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!

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 2023 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!

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 2023 release, with about 70 pages of lore, art, and game mechanics ready to be used in your D&D games.

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 2023 release, with 70 pages of lore, art, and game mechanics ready to be used in your D&D games.

Discover the holy citadel of Lyntas: walk its glorious streets, see divine beings living among men, and learn its dark secrets... Reveal the great conspiracies of an Angel of Anarchy, and fight tooth and nail to save Lyntas, and the entire world, from certain doom! This is our full July 2023 release, with 60 pages of lore, art, and game mechanics ready to be used in your D&D games. 

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 2023 release, with 70 pages of lore, art, and game mechanics ready to be used in your D&D games. 

Shuffle your Tarot cards and discover the 12 subclasses of the Deck of Many Fates! Travel alongside Myriel Genra, the mysterious Threadseeker of Divinity, as you unveil the secrets of the Major Arcana, and change your destiny! This Threadmaster Entry contains 35+ pages of content, including 12 different subclasses inspired by the Major Arcana cards of the Tarot! 

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.

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! 

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.