At the height of the tallest tower of the Grey Knights' fortress-monastery, high enough that its spire pierces the toxic skies of Titan, sits the aerie, known as the Augurium, of the Grey Knights known as Prognosticars. Few souls, even amongst the Grey Knights, ever set foot in the fortress-moastery’s Augurium. Sixteen thousand steps lead from the base of the tower to its pinnacle, which can also be reached by a slow lift ride, or in cases of emergency, a teleportation platform. Once a Grey Knight arrives at the top of the tower he emerges into a preparation chamber, the marble floor patterned in pink veins, with two Paladins arrayed in Terminator Armour standing watch before a great gate of blackened bronze. The marble with pink veins in the stone is said to come from Terra itself, for th