More common than the larger Stronghold-class starship also deployed by the Demiurg, Bastion-class starships are nonetheless only occasionally sighted in the great vastness of the wilderness space along the Eastern Fringe of the galaxy. Bastion-class vessels appear to be more heavily configured for asteroid mining than the stately Stronghold, which is known to function as a factory/processor ship for the Demiurg mercantile clans. Presumably resources and finished manufactured goods are exchanged between these vessels but there are no eyewitness reports of such available to the Imperium of Man. Scattered reports by Rogue Traders operating on the eastern rim of the galaxy indicate that a Bastion-class vessel is crewed by a Demiurg sociopolitical unit known as a "Brotherhood" and that Strongho