Changes

They are have sworn to serve the [[Adeptus Mechanicus]]' [[Ordo Reductor]] and fought besides beside its forces during the [[Horus Heresy]]. House Joolan's [[Homeworld]] is [[Cayor]], whose settlements and forges are protected by its paroling [[Knight]]s. Their [[Sacristans]] are called '''Grios''' and other forces used by the [[Knight House]], include [[Ogryn Servitor]]s and [[Saberjaw Class Robot]]s. [[War Drum]]s are also used, when House Joolan goes to battle.{{Fn|1}}