Warhammer 40K: Grey Knights Codex

Release Date 8/09/2025

The Grey Knights strike with overwhelming force – each a warrior mystic whose martial prowess is matched by his psychic and sorcerous might. Clad in warded plate of truesilver and adamantine, armed with crackling Nemesis force weapons and devastating psy-active firearms, they are all ruthless destroyers. It can be no other way, for this Chapter wages a war in utmost secrecy against the Dark Gods of Chaos to prevent the death of reality itself.

Codex: Grey Knights is a vital book for stalwart collectors who seek to defend the galaxy from the wicked plans of daemons. This tome is packed with atmospheric artwork, fascinating background material, inspiring photography, and the rules you'll need to banish your enemies in games of Warhammer 40,000. You’ll find datasheets, Detachments, narrative Crusade rules, and a self-contained Combat Patrol section to help you fight tight, tactical games with your collection. No matter how you prefer to collect, paint, and play, this book will guide you as surely as the prognostications of the Chapter seers.

Inside this 104-page hardback book, you'll find:
– Forbidden lore and background material detailing the long history and unusual organisation of this most secretive Chapter
– Disquieting artwork and dynamic photography that will inspire your collection and stir your creativity
– Rules for using the Grey Knights in games of Warhammer 40,000, with 25 datasheets, five Detachments, and the Gate of Infinity army-wide rule
– A set of rules to launch your own narrative Crusade, tracking down impending daemonic incursions and banishing them
– A guide to painting your Combat Patrol and rules for fielding Crowe's Sanctifiers in skirmish-sized games

This book also contains a one-use code to unlock Codex: Grey Knights content in Warhammer 40,000: The App.