The First Founding Legions were crafted by the Emperor himself in the image of his twenty Primarchs. They forged the Imperium in bloody combat as they waged the Great Crusade across the galaxy. Many Space Marines fell to the maligned seduction of Chaos during the Horus Heresy, but those that stayed loyal formed the base from which all Space Marine Chapters would be created. Those Chapters that still hold the loyalist Legions’ names and colours are the oldest and the most revered of all the Adeptus Astartes.

First Founding details the nine Chapters directly formed from the loyalist Space Marines Legions, and includes new rules from solo modes to new advances specialities. Of these nine Chapters, First Founding features the final four Chapters not discussed in previous Deathwatch rulebooks. This exciting supplement includes the background of the nine Traitor Legions and their fall to the seduction of the Ruinous Powers. Additionally, for the first time in Deathwatch, First Founding provides new rules for Battle-Brothers to have followers.