After the Age of Strife, when humanity faced near extinction, the Emperor of Mankind deployed a formidable force: the Space Marines. These elite warriors, born from relentless conflict, were organized into the twenty Legions known as the First Founding. In the Era Indomitus, only nine of these brotherhoods persist, having transitioned from Legions to Chapters. They remain the stern defenders of humanity, standing resilient against threats from heretics, alien races, and daemonic forces.

This art and background volume delves deeply into the legendary loyalist Chapters of the First Founding, vividly portraying their unique identities, cultures, and combat doctrines. Featuring over thirty exclusive commissioned illustrations, including nine striking double-page spreads, it provides an in-depth visual and contextual exploration of these iconic forces.