The Ordo Chronos was one of the Ordos Minoris of the Inquisition that operated within the Jericho Reach. This mysterious and incredibly obscure Ordo was formed to investigate the potential ramifications of potential time travel through the Warp, particularly the potential for deliberate manipulation of this phenomenon. Details on what the Ordo found in their investigations are virtually nonexistent as the entire organisation disappeared from the face of the galaxy, taking their secrets with them. It is not known how or why this occurred, or if it was voluntary on behalf of the Ordos or not, though whispers of the involvement of dark technologies, long forbidden, have surfaced over the centuries since this mysterious incident.