The Greatspine Isles
Explorer’s Guide & Bestiary | System-Agnostic Fantasy Setting for Dungeon Masters

A Complete Fantasy Island Setting for Dungeon Masters

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What is the Greatspine Isles?

A system-agnostic explorer’s guide with maps, regions, cities, and monsters — built to drop into any campaign.

 

It includes a hand-illustrated world map, distinct regions, dangerous and wondrous creatures, and richly described cities — all written from an in-world explorer’s perspective. There are no stat blocks, no rules, and no system assumptions. This book exists to give Dungeon Masters and adventurers a living place they can shape, customize, and make their own.

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BUILT FOR DUNGEON MASTERS WHO LIKE TO CREATE:
Most DMs don’t want someone else’s plot. They want a place that feels real but can be morphed into their characters, plots, and adventure tones.

The Greatspine Isles removes the hardest, most time-consuming parts of worldbuilding: naming regions, maintaining tone, designing geography, and keeping everything consistent. You bring your system, your heroes, and your stories. This book gives you a living world to put them in.

You can use one region, use one city, or drop the entire island into your campaign. It's your choice. There is potentially years worth of lore on this very island.

Do you want the adventure of the dwarven scholars learning forbidden magic through their battles with the dragons in the Greatspine Peaks?
Or perhaps the forbidden love of an elven boy saving his money to buy potions to travel and see the merfolk and that beautiful girl he met at the underwater market of Atlanti?
Or the lost sailors on the Isles of the Fogfalls who must cut their way out and make it back to sea.

The choices are yours!