Secret Cabal within the Ordos Calixis. Concerned with the study of the Tyrant Star. Their headquarters is at Bastion Serpentis, a bleak fortress of age-polished black stone jutting from the surface of the Calixian sector capital world Scintilla’s moon Lachesis. It's leader is Lord Inquisitor Anton Zerbe. Inquisitor Skane is another known member.