The Tetrarchy
Perseus stood on the observation deck and stared down at the planet below. In some ways, it resembled Terra. It was a desolate ball of dust, an arid, dry mess. But Terra was at least of great significance to the Imperium. The planet of Aronnax was just one of a million unremarkable worlds, another planet that made up the numbers of the galaxy-spanning empire. Shield-Captain Perseus Perseus stood resplendent in his armour. He was a Shield-Captain of the Adeptus Custodes, his suit of Auramite armour gleamed in the glow of the planet beneath him. He was a member of The Tetrarchy, an informal collective of himself and three other Shield-Captains; Maxentius, Ramases and Vespasian, Perseus smiled to himself, "The Tetrarchy. It had been uncharacteristically witty of The Captain-General Trajan Valoris". The name was a reference to an almost-forgotten ancient piece of Terran history, a time during the Ancient Romani Empire when four Emperors had ruled ...