Cosmere RPG | Chasmfiend Magazine #3

Magazine by Brotherwise Games

Exclusive interviews, insights, and behind the scenes of the Cosmere® RPG at your fingertips!

In this issue of Chasmfiend Magazine, you will find:

• Letter from the Team – A foreword from Lead Designer Lydia Suen
• Cosmere RPG Preview – A review of everything coming for the Cosmere RPG in 2026
• Cosmere Board Games Preview – Our most popular Cosmere board games and what’s coming down the line later in 2026
• Twinborn Adversary Profile – Adversary stat block for the indomitable Fulcrum Twinborn
• Running the Cosmere – Tips and tricks on how to GM the Cosmere RPG from Johnny O’Neal
• Lady Mistfall’s Courtly Papers – The latest courtly news and gossip in Luthadel from Lady Mistfall
• Looking Ahead to Worldhopper – Insight into the Worldhopper sourcebooks and overall design goals from the RPG team
• Using the Fortunes – Random tables for the Stormlight Campaign Setting and a first look at the Cosmere Solo Handbook
• Cosmere RPG Yearbook – Highlighting the 2026 Cosmere RPG team
• Kiss Marry Kill – The many eligible bachelors and bachelorettes are waiting for you to make a decision…

Key Articles

Making Mistborn Legacy – Mistborn Legacy is the campaign-length adventure for the Mistborn setting. Get a sneak peek through an interview with Lyla Fujiwara!

The Long Way In – A new adventure to be used as a prologue for the Mistborn Starter Set adventure, Hope in Ashes.

Plotweaver Preview – The underlying system for the Cosmere RPG is called Plotweaver. Check out this article from RPG Director Meric Moir for a first look at the system.

Cosmere RPG | Chasmfiend Magazine #3 is available through DriveThruRPG in PDF.

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