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The Malady Codex III: Diseases of the Sea


This supplement is written by medical students with a love for tabletop roleplaying games. Inspired by the vast array of diseases, and the medieval myths that once surrounded them, we embarked on a mission; to enrich other worlds with fantastical diseases.

Deep in each civilization’s roots, there are myths, remedies, and folklore, all revolving around the ailments that affect its people. When each Dungeon Master wants to expand on the details of the societies that unfold before their very eyes, tools that spice up the process become a vital weapon. This supplement will hopefully become one of them, as DMs become inspired by the grim, epic or mundane conditions of the human body and mind.

This third installment of the Malady Codex focuses on diseases that affect those who sail the seas. With them, you can bring a fantastical sense of realism to your nautical adventures. The high seas are full of wonders and dangers, and you can showcase both with these storytelling tools.  

Do not underestimate diseases. Part of the Dungeon Master’s art is to be able to stir feelings up in their players, and few human conditions could accomplish that better. Used as a way to advance a storyline, to expand a character arc or to create conflict, the following stories can serve you well!

In this book, you'll find:

  • Diseases such as the infamous Saltmarsh's Fire, the insidious Vutrim's Treachery and the dangerous Squiditis.

  • A water variant of the trademark disease of the Malady series, the Druid's Curse.

  • Details on the origins, symptoms, and cures for all these maladies.

  • Tips on how to implement each one in your games, making your life just a bit easier.

  • A system on how to handle broken bones in your games.

  • New monsters and items to challenge and reward your players with, such as the Vampire Squid.

Give your worlds a touch of fantastical realism and watch as your players dive deep into the stories you create with these tools!

      Blue Sea   Bones   Fluroescent

For more Malady products, check out: 

C1   w   c2   chr   c4   The fourth

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Reviews (4)
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June 3rd, 2019 This is an amazing product but then it's already the third in an amazing series. Check out the full the review at the link above but for a short TLDR: If you are running Sa [...]
May 30th, 2019
I purchased codex 1 and 2 and I must say OH BOY!!! It brings a refreshing chance for quests plot hooks etc. with the worst enemy for my players: The one they can't see! To whomever is contemplating buying the codexes: Do it you will never regret it and [...]
May 28th, 2019
If you are not familiar with the Malady Series, you are in for a treat. The series revolves around magical diseases, created by medical students, that add flavor and a level of detail and immersion that DM's love. If you haven't already, check out th [...]
May 28th, 2019
As a Vivid player and DM to the vast world of D&D this is by far the best thing to aquatic diseases it gets. The Malady Codexes have been a big part of my games I hope to see some more. if you think standard STDs are scarey as hell , damn I'd hate [...]
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File Last Updated:
May 28, 2019
This title was added to our catalog on May 28, 2019.