Warhammer 40,000 has a plethora of factions and sub-factions, each with their own rich backstory and set of unique traits. The face of the Warhammer 40K brand, the Adeptus Astartes/Space Marines, have a multitude of subsects known as Chapters. The most popular of these Chapters is the Ultramarines, known for their blue armor and place on the front of Games Workshop displays and products. One of the more interesting Astartes Chapters is the Grey Knights, protagonists of the upcoming Warhammer 40K: Chaos Gate Daemonhunters.