Inside this 208-page hardback book, you'll find:

- The Crucible of a Dark Age 

- Campaigns of The Age of Darkness: The Garmon Bulwark 

- Age of Darkness: Core Missions 

- The Garmon Bulwark: Apex Missions 

- Legiones Astartes: Shattered Legions 

- Legiones Astartes: Blackshields 

- Legiones Auxilia and Solar Auxilia 

- Legiones Astartes: New Units 

- Showcase

In order to use the contents of this book, you will require the Warhammer: The Horus Heresy – The Age of Darkness Rulebook and one of the Army Books for Warhammer: The Horus Heresy, which are all available separately.