A downloadable mod

Features

🕱 The Curse
1 in 4 characters are marked with a degenerative Curse. Upon death, they rise again—rabid and mindless, or worse, cunning and cruel. Resurrection only delays the inevitable. A ticking clock hides in every character sheet.

The City of Fellhaven
A hard-edged fortress of 31,507 survivors, ruled by Eight Major Guilds and a reluctant Governor. Guild politics, black markets, arena trials, and whispered cults shape the city’s internal strife while monsters claw at its gates.

 Eight Unique Guilds
Each offers stat bonuses, gear, and power progression. Advancement requires gold and loyalty. Join the Veil for smoke bombs and infiltration. Join the Wardens for martial talents and battlefield gear. Or bind yourself to the Divine Order and gamble with divine favor—and disfavor.

 Build-It-Yourself Wilderness

No prefab dungeons. You must place three major shard-holding dungeons across the Keystone Isle, each themed (Haunted Castle, Cavern Crypt, Cursed Tomb) and deadly. The rest is up to you: spawn minor dungeons, cursed lairs, faction camps, or secret wonders as your players explore.

🪞 Artifact-Level Stakes
Recover the Mirror of Ascension to activate the gateway to Terminus Isle. There, the final confrontation awaits: a two-phase boss fight against the King of Death, culminating in the emergence of Dragon Terminus, God Eater. The outcome will determine the fate of the Keystone Isle.

🛠️ Also Includes:

  • Hex-crawl rules for 2-mile hexes (travel pace, exploration, getting lost)

  • Custom rules for the Curse and resurrection

  • Clear guidelines for guild progression and political leverage

  • Tactical boss fight design with dynamic arena effects and morale horror

  • Optional rules for dual wielding, PC death, and exploration enhancements

This is not a plug-and-play module.
This is a toolbox for Referees who want to shape a doomed world with emergent gameplay, faction intrigue, and terrifying consequences.

Updated 14 hours ago
Published 2 days ago
StatusReleased
CategoryGame mod
AuthorCalibur99
GenreRole Playing
TagsHexcrawl, ose, Tabletop role-playing game

Download

Download
Keystone Isle Featureless.jpg 4.9 MB
Download
Keystone Isle.jpg 5.5 MB
Download
Referees Guide to the Keystone Isles.pdf 263 kB
Download
The Isles of Terminus Players Guide.pdf 248 kB

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