The Codex Astartes is a great and sacred tome of military organisation, strategy and tactics written by Roboute Guilliman, the primarch of the Ultramarines Space Marine Legion. It …

Aug 18, 2025 · Penned by the Ultramarines Primarch Roboute Guilliman, the Codex Astartes has defined Space Marine battle doctrine for ten millennia. The Space Marines Codex Astartes is a …

Nov 10, 2023 · The Codex Astartes is a tome of military organization which outlines Guilliman’s ideals for how a space marine force should act – how it should fight, organize itself into ranks, …

Sep 18, 2025 · The Codex Astartes (a.k.a Codex Asstardes) is the collective name given to a series of tactical and organisational guides written by Roboute Guilliman over the course of his …

2 days ago · The Codex Astartes is the doctrine of the Space Marine Chapters, governing all aspects of Chapter organisation and battlefield tactics. For any given tactical situation, the …

The Codex Astartes is the doctrine of the Space Marines, governing all aspects of Chapter organisation and battlefield tactics. For any given tactical situation, the Codex has hundreds of …

What is the Codex Astartes?! There is a part 2 in the works for a detailed breakdown of the companies within a chapter. Intro: 00:00 - 0:14...more

Dec 9, 2025 · A Codex Chapter of Space Marines tends to follow the strict organisation and doctrines as laid in the Codex Astartes. The Ultramarines are the quintessential example, and …

Mar 13, 2025 · The Codex Astartes is the masterwork of the Primarch of the XIIIth (Ultramarines) Legion, Roboute Guilliman, defining every aspect of the Chapters of the Adeptus Astartes …

Jun 30, 2019 · The Codex Astartes is the doctrine of the Space Marine Chapters, governing all aspects of Chapter organisation and battlefield tactics. For any given tactical situation, the …