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Warhammer 40,000 10th Edition

Codex: Thousand Sons

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The Thousand Sons attack amidst an inferno of warp magic and mutation – each of this Traitor Legion’s psychic warriors wields sorcery of incredible power. These puppet masters command what remains of the Legion’s battle‑brothers, the deathless Rubricae, whose spirits remain trapped in their sigil‑carved armour. Heirs to the rampant ambition and arrogance of their gene-sire, the Daemon Primarch Magnus the Red, the Thousand Sons seek forbidden knowledge and arcane relics.

Codex: Thousand Sons is a vital book for scheming collectors who wish to further the Chaos God Tzeentch's infernal plans. This impressive grimoire is packed with strange artwork, fascinating background material, epic photography, and the rules you need to render your enemies to dust 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. This book will help you make your plans no matter how you like to collect, paint, and play with your Thousand Sons.

Inside this 120-page hardback book, you'll find:
– Enthralling lore and background material detailing the history and strange organisation of Thousand Sons warbands
– Vivid artwork and photography that will inspire your collection and unshackle your creativity
– Rules for using the Thousand Sons and Daemons of Tzeentch in games of Warhammer 40,000, with 34 datasheets, five Detachments, and two army-wide rules
– A set of rules to launch your own narrative Crusade, collect sorcerous knowledge, and receive the Boons of Tzeentch
– A guide to painting your Combat Patrol and rules for fielding the Prism of Zadophon in skirmish-sized games

120 pages, Hardcover

Published May 31, 2025

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Games Workshop

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Games Workshop Group PLC (often abbreviated as GW) is a British miniature wargaming manufacturing company. Games Workshop is best known as developer and publisher of the tabletop wargames Warhammer, Warhammer 40,000 and The Lord of the Rings Strategy Battle Game.

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264 reviews1 follower
July 7, 2025
This Codex covers the lore and rules for the Thousand Sons Traitor Legion.

The lore section of this book briefly covers the creation of the Thousand Sons, their fall and their current state. The only real issue I have with this section is that I feel that the Rubric of Ahriman itself doesn’t get enough focus considering it’s one of the more import parts of the faction’s background. Other than this, the section is reasonably good with some nice lore for each of the Thousand Sons’ units, even if some of it is quite brief. There is, however, a decent amount of info on the new Sekhetar Robots who seem quite interesting.

The artwork and model photography are of the usual quality but, as with many other Codices, it would have been nice to see some of the alternate Thousand Sons colour schemes.

The rules in the book are standard for this edition with the usual Combat Patrol force, Detachments, Datasheets and Crusade rules. The Thousand Son’s Combat Patrol is reasonable if unspectacular, but I would have preferred some sort of Sorcerer leading it instead of a Daemon Prince (although that could have left it a bit underpowered). The Detachments available for the Thousand Sons are the combined arms Grand Coven, the Changehost of Deceit that allows Daemon allies, the Tzaangor focused Warpmeld Pact, the Rubricae Phalanx focusing on the rank and file of the Thousand Sons, and the vehicle focused Warpforged Cabal. All of these are quite usual for this edition, but I do like that the armoured vehicle Detachment makes a better effort at tying in with the themes of the Legion than some of the tank focused Detachments from of faction, adding some nice synergy between the Thousand Sons’ armoured vehicles and Sorcerers. The Dataslates in the book are also pretty standard for this edition. I do quite like the Brotherhood of Sorcerers Crusade rules that allow characters to advance up the ranks of the Thousand Sons’ Great Cults, gaining rewards and bonuses and they go.
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