Mistborn Handbook gets a release date: Brotherwise sets November 4, 2026

Brotherwise Games has November 4, 2026 penciled in for November 4, 2026. The book is a 405-page core rulebook for the Cosmere Roleplaying Game, with character creation for both players and Game Masters, full campaign tools, and Scadrial material covering Mistborn Eras 1 and 2. A few retailer listings still have it down for November 16 , so that date hasn’t fully settled everywhere yet.

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Brotherwise says the system should be easy to get into if you’re new to tabletop RPGs, but not stripped down for longtime players. The pitch is narrative decision-making, heroic paths built around the setting, and, from the early numbers, a Mistborn Handbook that may even come in larger than the current Stormlight handbook.

There’s more coming with it. The broader release also includes a World Guide, the 265-page Mistborn: Legacy Adventure, a starter set, custom dice, and item decks.

And if you keep up with Sanderson’s worlds outside the novels, this Mistborn wave looks especially tempting. Lead writer Meric Moir says the new lore is canon per Dragonsteel. Mistborn: Legacy Adventure is being described as a secret story set inside the timeline. Brandon Sanderson has also said he’s finished a first draft of a Mistborn Apple TV movie screenplay, The Fires of December is due in December 2026, and Mistborn: Ghostbloods is still aiming for 2028.

You should be able to pick up the hardcover through Brotherwise Games and tabletop retailers in November 2026.