This 96-page hardcover book explores the background of the Charadon Sector where Imperial armies are pushed past their limits. It provides a new campaign system as well as campaign content like new unique relics and unit advancements. The book also contains rules and matched play content for the Armies of Renown, and new Legendary Missions. War Zone Charadon - Act I: The Book of Rust requires a copy of the Warhammer 40,000 Core Book to play.

War Zone Charadon - Act I: The Book of Rust will retail for $60.

Games Workshop also announced the Piety and Pain Battlebox, the Codex: Drukhari, and the Drukhari Combat Patrol model kit for Warhammer 40,000 (see "GW Brings 'Piety and Pain' to 'Warhammer 40,000'").