War World - Notable War Worlds: Planet NameSegmentumSectorSub-SectorSystemPopulationNotes47 KapellaSegmentum ObscurusCalixis SectorDrusus MarchesUnknownUnknownAcheron IVUnknownUnknownUnknownUnknownUnknownImperium fought on this world against the Orks of WAAAGH! UggrotArmaturaSegmentum UltimaUnknownUnknownUnknownUnknownTowards the beginning of the Horus Heresy, Primarchs Lorgar and Angron of the Word Bearers and World Eaters Traitor Legions, conducted a joint campaign, known as the Shadow Crusade, into the heart of the Realm of Ultramar. Armatura was one of the first worlds to feel the wrath of the Forces of Chaos, falling to the Warmaster's forces.BarabanSegmentum UltimaJericho ReachUnknownUnknownUnknownContested by the Imperium and T'au Empire.BleakfrostUnknownUnknownUnknownUnknownUnknownDuring fierce fighting on Bleakfrost, an Ork horde overruns the last Imperial defence line. Dropping from orbit, the Novamarines Chapter deploy a thin line of Devastators and Sternguard into the mile-wide breach. Through tenacity and firepower, the Novamarines hold the line for six hours until Titans arrive to throw the Orks back.FarcastSegmentum ObscurusCalixis SectorMalfian Sub-sectorUnknownUnknownGelmiro PrimusSegmentum ObscurusCalixis SectorSpinward of Markayn MarchesUnknownUnknownGelmiro SecundusSegmentum ObscurusCalixis SectorSpinward of Markayn MarchesUnknownUnknownGelmiro TertiusSegmentum ObscurusCalixis SectorSpinward of Markayn MarchesUnknownUnknownGhingaUnknownUnknownUnknownUnknownUnknownGhinga is currently fighting an uprising instigated by Chaos Cultists, with the aid of Daemonic. The timely arrival of a squadron of Grey Knights Space Marines helped to save the planet from a dark fate.KhazantSegmentum UltimaJericho ReachUnknownKhazant SystemUnknownContested between Chaos and Imperial forces.KulthSegmentum ObscurusCalixis SectorThe PeripheryUnknownUnknownHas been continuously fought over for eighty-three years since it was first invaded by Orks.KuluthSegmentum ObscurusCalixis SectorMalfianUnknownUnknownMaliceSegmentum ObscurusCalixis SectorHazeroth AbyssUnknownUnknownCurrently on the front lines of the Wrack War.Maxima MoranSegmentum UltimaUnknownUnknownMoran SystemUnknownAn Imperial world currently being invaded by Hive Fleet Kraken.ProtasiasSegmentum ObscurusCalixis SectorDrusus MarchesUnknownUnknownPurgatorySegmentum ObscurusCalixis SectorDrusus MarchesUnknownUnknownImperial Guard fought here against an invading Night Lords Chaos Warband.TorhavenUnknownUnknownUnknownUnknownUnknownResponding to reports of Genestealer cult activity on Torhaven, the Ordo Xenos despatch a Deathwatch Kill Team to exterminate the threat. Unbeknownst even to the Inquisition, Torhaven's equatorial fortress conceals a secret cache of Ultramarines gene-seed, an incalculably precious asset that cannot be allowed to fall into alien hands. Thus, the Kill Team is joined by Chaplain Ortan Cassius himself, the Ultramarines hero leading his brothers in a series of desperate battles to purge the xenos from Torhaven.RavaceneSegmentum UltimaJericho ReachUnknownUnknownUnknownImperial Guard fight Kroot.VigilusSegmentum UltimaUnknownUnknownUnknownUnknownVigilus is an Imperial Hive World that represents the terminus of a key route through the Great Rift into the Imperium Nihilus. As a result, Vigilus has become a heavily contested strategic location and the source of conflict between several of the different starfaring species and factions of the Milky Way Galaxy in the early 42nd Millennium. The campaign to claim Vigilus became known as the War of Beasts.XandrosUnknownUnknownUnknownUnknownUnknownThe site of an ongoing battle between the Ultramarines Chapter and the Necrons.