The codex introduces three primary ways to play, moving beyond the initial "Noble Lance" detachment: Imperial Knights - ARMY RULES - Warhammer Community
The official for the current 10th Edition of Warhammer 40,000 was released on September 20, 2025 . While a physical copy is available for purchase, Games Workshop also provides official digital rules and supplementary PDF updates through the Warhammer Community site and the Warhammer 40,000 App . Official Digital Rules and Updates