The Knights Radiant must stand again!

In the war-torn world of Roshar, the Ideals you swear are as powerful as the weapons you wield. When the True Desolation approaches, heroes must rise, from soldiers and scholars to Shardbearers and Surgebinders. Will you speak the ancient oaths and become Radiant?

This core rulebook for the Cosmere® Roleplaying Game contains everything you need to build characters and tell epic stories in the world of Brandon Sanderson's Stormlight Archive series.

Build characters and forge your own legend in Roshar! — Step into a universe of adventure and Investiture with the Stormlight™ Handbook! — When you’re ready to become a game master, take the next step with the Stormlight™ World Guide and the Stonewalkers™ adventure.

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Released: 03 March 2026