- 1x Castellan Crowe
- 5x Grey Knights Terminators, which can alternatively be built as Paladins
- 10x Grey Knights, which can be alternatively be built as Interceptors, Purifiers, or Purgators
This box can be used to assemble a variety of units – the recommended build for Boarding Action games is Castellan Crowe, five Terminators, and two five-man Strike Squads.
Rules for playing Boarding Action games of Warhammer 40,000 can be found in the Arks of Omen: Abaddon supplement. Additional rules for Grey Knights Boarding Patrols can be found in Arks of Omen: Angron.
Miniatures are supplied unpainted. Preparation and assembly may be required.