40,000 years into the future proved that true utopia is an impossibility... For in the grim darkness... There is only war.

The Primarch of the Imperial Fists emerged from the golden light of this world's sun, her sons, the defenders of Terra, the Astartes, followed behind...

This world will be one of the Imperium's... A great mighty fortress shall be built here, designed by her... Her genius of defence...

Unless...?