Mistborn Expansion to Arrive in November

The Well of Ascension expansion for the popular deckbuilding game will launch on November 18, 2026.

Updated on Oct. 20, 2026 in Board Games

Mistborn Expansion to Arrive in November

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Brotherwise Games is set to release the Well of Ascension expansion for Mistborn: The Deckbuilding Game on November 18, 2026. Priced at approximately $25, the new content requires the base game to play.

Why it matters

This release coincides with the 20th anniversary of the Mistborn franchise. It introduces new mechanics to the deckbuilding system while celebrating the series' long-term impact on fantasy tabletop gaming.

The expansion will retail for approximately $25 and adds new gameplay elements including four character cards, Alloy cards, and a Coinshot ability. The game supports 1-4 players with sessions typically lasting between 30 and 60 minutes.

The players

Brotherwise Games

This publisher is known for creating tabletop experiences based on popular literary franchises.

John D Clair

He is the game designer responsible for developing the mechanics of the Mistborn expansion.

The details

Designed by John D Clair, the expansion allows players to build decks and burn metals to activate unique abilities. It features a new Siege of Luthadel mode, enabling players to work together to defend against waves of Koloss armies.

November 2024 marked the initial launch of the base game.
Gen Con 2026 featured early previews of the upcoming expansion.
November 18, 2026 is the scheduled retail release date.

Culture Shift

The expansion reflects the broader trend of board game publishers leveraging established literary IP to foster deep, long-term player communities. It follows the 2024 BoardGameGeek top-rated deckbuilding game trends by expanding a successful mechanical engine to sustain engagement.

Fans who already own the base game can integrate the new content into their existing sessions starting in late November. The expansion is designed for 1-4 players, making it suitable for standard hobbyist gaming groups.

The takeaway

Players looking to expand their experience can prepare for the new cooperative Siege of Luthadel mode. The expansion provides a compact way to refresh the base game's replayability without requiring a full system overhaul.