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Brandon Sanderson Finishes First Draft of Mistborn Screenplay

The completed draft gives Apple’s planned Cosmere film a clear development milestone while the project still needs director attachment, budgeting and a formal green light.

Image: Brotherwise Games/Dragonsteel Entertainment
Brandon Sanderson does a reading from his unreleased book, “The Fires of December," during the "Tailored Realities" release event during Dragonsteel Nexus at the Salt Palace Convention Center in Salt Lake City on Thursday, Dec. 4, 2025.

Overview

  • Sanderson confirmed late Tuesday that he has finished a first draft of the Mistborn feature screenplay and posted a photo of the printed script.
  • Apple acquired screen rights to Sanderson’s Cosmere earlier this year and is developing Mistborn as a feature film while planning The Stormlight Archive as a TV series.
  • Reports say Sanderson will be unusually hands-on as writer and producer, and a producer has been hired for Mistborn though no director, cast, filming schedule or release date have been announced.
  • The next steps will likely include studio and producer notes, rewrites, director attachment, visual-effects planning and a production budget review before Apple can green-light filming.
  • The book’s 20th anniversary and the story’s complex magic system create high creative and visual demands, so choices now could shape any future Cosmere franchise and affect fans and local production plans in places like Utah.