Haven's Heir | The Hidden Isle's First Campaign + New rules

Haven's Heir | The Hidden Isle's First Campaign + New rules

A campaign of linked adventures for The Hidden Isle, our magical-renaissance TTRPG powered by Tarot. Step into a world of enchantment, uproot conspiracy, and protect your safe haven from gods and despots!

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Launching

September 2026



















Latest from the Creator
Sefirot
about 6 hours ago
Announcing Haven’s Heir: The Hidden Isle’s first full campaign, plus new rules, classes and content
Esteemed Agents,

Three years after The Hidden Isle revealed itself on Kickstarster, we are delighted to announce its first campaign book and expansion set: Haven’s Heir and the Dioscorian Library


What is Haven’s Heir, you might ask? 

Although the rulebook contains everything necessary to play your own personalised campaigns, we’ve always wanted to tell a longer story in this world which digs into its contradictions. Haven’s Heir explores this world’s unresolved tensions, both within the hidden isle and beyond its shores. How will Dioscoria stand by its ideals as pressure mounts?

We’re also writing a companion book: The Dioscorian Library. This will contain two new classes with a suite of new abilities and rules for adorable (or fierce) familiars! It will also feature slight rules changes, additional tips for running combat, more inspiration and help for game masters, and reprints of all previously released scenarios into one lovely tome.

Head over to our launch page, sign up to get a free one-shot adventure, or reserve your pledge for €5 and get a free pin and sticker sheet! The campaign will launch in late September


For those of you who like concise lists, here’s what to expect from the campaign and the expansion.

Haven’s Heir (campaign book):
  • Campaign book for The Hidden Isle, featuring 10-13 adventures written by a hand-picked lineup of veteran adventure writers. 
  • Adventures follow a general structure but are loose enough that players can choose which leads to pursue.
  • The future of Dioscoria depends not only on your success but also on what you consider the right direction for the island.
  • Unique art by some of the most distinctive illustrators in indie TTRPGs.

Dioscorian Library (supplement book):
  • Rules for familiars: creatures sent to help and guide your group. 
  • Two new classes: the Alchemist and the Wild Walker. Also includes the Scholar and Swindler classes from The Sewers and the Stars.
  • New rules for combat, weapons, and richer downtime.
  • More tips for game masters to help them get inspired.
  • A full example of play, from the start of a scenario until the end of the downtime.
  • New beasts and magical creatures!
  • Suggested NPCs and factions for various cities, to help GMs get inspired.
  • Rules errata.
  • Includes all pre-written adventures to date.
  • All character sheets also included in the physical book.

And there is more! The campaign will have a plethora of juicy items, such as maps, a DM screen and progress clocks. Once you sign up for the campaign, all shall be revealed as we approach the launch in September.  


And that’s our big announcement of the day! But there is more …

If you are searching for a group to play with, StartPlaying (July 15thJuly 19th | every THU) has you covered now. Hop on over and sign up for a game led by a veteran GM! You can use this coupon code for a $10 discount: EESPG26. The games on July 15th and 19th will also be streamed live to Backerkit ENNIES EMPORIUM.

If you are keen to see others play The Hidden Isle, we have numerous options! We just finished a full playthrough video of the “Metaphagus” one-shot, where a handful of Dioscorian agents descend into an infected mind to battle not only demons, but also ghosts from their own pasts. And tomorrow, July 15 at 6PM CET / 9AM PST, we’ll be streaming a live session of “To Kill A Sacred Beast”. You can watch the stream via the Backerkit launch page of the Haven’s Heir campaign.     

Once again, I extend our offer to join the banter and fun via Discord and our socials.

Stay safe and stay connected,

The Warden of Shadows


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