The Adeptus Astartes, more commonly known as Space Marines, are humanity's last line of defense within the Warhammer 40k setting. These genetically engineered super-soldiers, created by the Emperor of Mankind, have the strength to take on the galaxy’s most dangerous threats. As some of the greatest heroes humanity has produced, becoming an Astartes is no easy feat. Split into various chapters, the Space Marines are at the forefront of the battle against humanity’s enemies.