Datacards make referencing your rules in battle easy, perfect for when a game has you so engrossed you can't tear your eyes off the battlefield for a second. Keep track of the various Psychic Powers available to your army, plus Stratagems, Litanies of Purity, and more.
The most mysterious of the Emperor’s servants, the Grey Knights are a unique Chapter of Space Marines. Each is an elite warrior-mystic clad in sigil-scribed power armour and wielding archaic weapons through which they channel their otherworldly abilities. They are a purified order, incorruptible and possessed of iron fortitude. They have to be, for the Grey Knights face down the most nightmarish horrors from the seething depths of the warp: the Daemons of Chaos.