Brandon Sanderson’s Cosmere RPG is expanding, and the new wave is Mistborn, dropping into retail November 2026 from Brotherwise Games. That means a Starter Set, a Handbook, a 285-page World Guide packed with lore and art, and a full campaign book called Mistborn: Legacy. Four products. One very ambitious launch.

Here is the part that earns the Doctor’s attention: the setting supports two eras, and Era 2 is basically an industrial fantasy with revolvers, railroads, and a gunslinging underclass navigating the ash-choked wreckage of a collapsed empire. That is the Formulae doing its job. You start in a feudal nightmare of grim oppression (Era 1, full-grimdark, capes and steel), then pivot to a proto-industrial world of political intrigue and Allomantic cowboys (Era 2). The mists clear and suddenly you’re in DieselPunk Before Diesel: all the grit, none of the gasoline. The Doctor approves of this timeline.

Kickstarter backers already have their books; retail hits November 4. The World Guide retails for $59.99 and is also perfectly usable as a straight-up art and lore book if the dice scare you. Which they should not, but no judgment. Nothing can beat old age and betrayal. Pre-order on the Brotherwise site before the mists eat you. Via: ICv2

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