Everything you need to get an Astra Militarum army primed for games of Warhammer 40,000 is in here:

- 56 datasheets containing rules for every Astra Militarum unit and vehicle;
- Army abilities reflecting the Astra Militarums methods of war, including Astra Militarum Orders and Regimental Orders;
- Armoury of the Imperium: wargear both ranged and close-combat used by the Astra Militarum;
- Points values for all miniatures, weapons and wargear for use in Matched Play games;
- Bulwark of Humanity: rules for Battle-forged armies:
- Regimental Doctrines for Cadian, Catachan, Valhallan, Vostroyan, Armageddon, Tallarn, Mordian, Militarum Tempestus Regiments;
- 6 unique Warlord Traits,
- 25 Stratagems, with 8 specific to the Regiments named above;
- the Heirlooms of Conquest: a selection of rare wargear;
- The Psykana psychic discipline, available to any Astra Militarum model with the Psyker keyword,
- 6 Warlord Traits for use by any Warlord, with a further specific to the above-named Regiments;
- 6 unique Tactical Objectives.