The strongest astral army in Warhammer 40K

A universe shrouded in darkness. A burning galaxy. An endless war. A constant stream of powerful enemies. ... Although Russell became an ordinary "Astral Army" soldier, he was rewarded by the system with two divine artifacts: a laser gun called "Fire Kirin" that could evolve infinitely simply by killing enemies, and an entrenching tool called "Blood Drinker" that could become indestructible and unbreakable simply by consuming the blood of enemies. Killing enemies with these two artifacts would grant corresponding attribute bonuses. ... Slaying through the galaxy, sweeping across the dark universe...