From the depths of a once bountiful Imperial World, gauss weaponry erupts as mechanical monstrosities start to awaken from an ancient slumber and hulking Necron destroyers march forth to reclaim their tomb world. Standing in their way however, the combined forces of the Scions, Tallarn, and Albion Raptors stand firm against the xenos threat. Can the overwhelming firepower of the Astra Militarum be enough to force back this annihilation legion, or will the Necrons be able to wipe humanity from the face of this planet?