In the grimdark future of the Warhammer 40K universe, there is only war. Entire worlds and sectors have been engulfed in flames or have become new battlegrounds. Progress and peace are relics of the past, and the line between good and evil is lost, leaving numerous groups to their devices in a galaxy-wide war seemingly without end. Such conditions have birthed many powerful factions with skills and abilities far beyond comprehension. However, which of these factions is the strongest?