As of this writing, Warhammer 40k is transitioning toward . When 10th Edition launched, all 9th Edition codexes (including the Imperial Knights book) became partially obsolete. While the 9th Edition Imperial Knights Codex is a beautiful lore book, the rules are now largely replaced by:
Codex: Imperial Knights for Warhammer 40,000 10th Edition was officially released on September 20, 2025
to unlock the full rules, detachments, and datasheets in the official Warhammer 40,000: The App Free Index PDF (Legacy): Before the codex launched, GW provided a free Index: Imperial Knights . Note that these rules are now superseded imperial knights codex pdf
These distinctions are not just flavor text; in the game rules, the choice of Household Tradition fundamentally alters how your army plays on the tabletop.
The official Warhammer App ($5.99/month or free with a Warhammer+ subscription) contains the entirety of the Imperial Knights Codex rules if you redeem the code from a physical book. However, if you don't own the book, the app locks most datasheets behind a paywall. This is not a free PDF, but it is a legal digital interface. As of this writing, Warhammer 40k is transitioning toward
The 2025 Codex expanded on the original free Index rules with: Imperial Knights - ARMY RULES - Warhammer Community
: A brand-new Questoris-class Knight datasheet introduced in this edition. It acts as a smaller Knight Castellan , equipped with a plasma executor and conversion beam obliterator, and provides a 4+ invulnerable save to nearby allies. Note that these rules are now superseded These
The Imperial Knights are a popular faction in the Warhammer 40,000 universe, known for their heroic (if somewhat obsolescent) take on mechanized warfare. The codex is a comprehensive rulebook that provides detailed background information, army lists, and rules for playing with Imperial Knights in tabletop games.