Acastus Knights PorphyrionKnights Acastus are among the most heavily armed and armoured of all Knight chassis in service. Each is a symbol of favour by the lords of the Machine Cult and even the greatest Knight Households cannot claim more than a handful. The Knight Porphyrion variant is a towering behemoth possessed of size and power which rivals that of a Scout class Titan, capable of sundering armoured formations, enemy fortications and rival Knight armours with