That Which Passes was an Ultra-controlled lighthugger which arrived in the 107 Piscium system in 2727. Having escaped the 61 Cygni A system just before Sky's Edge's destruction, the ship deposited its refugee-passengers on Haldora's moon at their request.

Represented in its dealings with Dean Quaiche by Triumvir Guro Harlake, the vessel's armaments were somewhat lacking, leading to it being passed over for a contract to defend Hela.