Maybe the psyker mutant heard him and knew where he was, maybe he didn't, but Xepherial gave it no further thought. The techmarine proceeded down the corridors as if lost, haphazardly taking turns through the interior of the ship while the battle with xenos continued outside in the void of space around them. By some random chance, he strode up to find himself behind Vespin Longshank, a guardsman who was engaged in a stand off with Oskar and the escaped criminals. 

The battered, red-eyed black knight with spider-like servo arms stopped in the hall, his last footfalls silencing the exchange between the two men. He hesitated only a moment, to allow the human to register what he was seeing, then he spoke with a directness that scorned the mere mortal before him, "Take me to your captain."