[1] Events have conspired to draw members of different races and factions into a remote area of space.

Drawn to the resource-rich regions of the Pyrus sector are: Dark Millennium uses the same basic rules as Horus Heresy.

A game in the Dark Millennium universe pits two commanders and their respective armadas against each other for control of an important planet within the Pyrus sector.

One side is declared the attacker, while the other is the defender, but both fight for control of three sectors which are deemed key to winning the planet.

Each non-sector card in the Dark Millennium game system can serve in three separate and distinct roles.

A powerful unit may have a very poor die role, while a mediocre asset with an excellent command line ability may be worth keeping in a deck on the chance that it is drawn into the hand when initiating a battle.