This 112-page mission pack includes:

- Six new missions each for Combat Patrol-, Incursion-, and Strike Force-sized games, and three for Onslaught-sized games, all set within the xenos-plagued Octarius Sector
- New Treachery and Honour rules allowing for three- and four-player games of Warhammer 40,000
- The Underdogs system, allowing disadvantaged armies to spend Underdog points on benefits and abilities
- A selection of new Agendas, Requisitions, Stratagems, and more
- The basic rules for Warhammer 40,000 – designed to be quickly referenced during your games