Forge World - Notable Hell-Forges: Planet NameSegmentumSectorSub-SectorSystemPopulationStatusAbheilüngSegmentum SolarUnknownArmageddon-Paramar Grand ConduitAbheilüng SystemUnknownDark Mechanicus elements are layered beneath the surface of the planet. Once a vital world, the entire population has been slaughtered or dragged in chains under ground to rend the infernal forges of their dark masters. Lost to the Imperium.AntiocSegmentum ObscurusUnknownPrath Veil Sub-SectorUnknownUnknownRecently lost when the Forces of Chaos captured it during an incursion from the Prath Nebula. Lost to the Imperium.Crucible-OmegaUnknownUnknownUnknownUnknownUnknownFounded during the Age of Strife like many other Forge Worlds, it is believed this domain of the Fallen Mechanicus was never incorporated into the Imperium.CyclothratheSegmentum ObscurusCoronid DeepsUnknownUnknownUnknownA minor, isolated Forge World located to the galactic east of the Cyclops Cluster. The independent-minded Cyclothrathine Mechanicum of this Forge World sided with the Traitors' cause during the Horus Heresy. It is believed that the Dark Mechanicus has recently established contact with this lost, Fallen Forge World. Traitors to the Imperium.DiesosUnknownUnknownUnknownUnknownUnknownA soul forge occupied by the daemon-binding Dark Mechanicus. In 993.M41, the Iron Warriors Warsmith Vhostok Pistonhand led a coup against the world's dark masters. Eventually, the Ruinous Powers sent forth their daemonic legions, and fought over the spoils of Diesos, slaughtering its former inhabitants. Traitors to the Imperium.Forge CastirSegmentum ObscurusCalixis SectorScreaming VortexUnknownUnknownLocated near the Warp anomaly known as the Screaming Vortex, Forge Castir has long been a bastion of the Dark Mechanicus. They are currently waging an eternal war against their rivals from Forge Polix. Its Dark Magi are known to incorporate xenos technology in their creations. Traitors to the Imperium.Forge PolixSegmentum ObscurusCalixis SectorScreaming VortexUnknownUnknownLocated near the Warp anomaly known as the Screaming Vortex, Forge Polix has long been a bastion of the Dark Mechanicus. Traitors to the Imperium.Ironghast FoundryUnknownUnknownUnknownUnknownUnknownA Chaos-held Forge World dedicated to the Blood God Khorne. Known to forge everything from small arms, melee weapons and vehicles to Daemon Engines. Traitors to the Imperium.GhalmekSegmentum UltimaMaelstrom ZoneUnknownUnknownUnknownThe Word Bearers Traitor Legion maintains control of the daemonic Forge World of Ghalmek deep within the Maelstrom Warp Storm, which is ruled over by the Dark Apostle Kor Phaeron and serves as a base for the XVII Legion to launch raids against Imperial worlds in the eastern regions of the galaxy.RetlaxiUnknownUnknownUnknownUnknownUnknownAn ancient fief of the Mechanicum, Retlaxi was thought to have been consigned to history, but reports of its resurgence periodically instill fear and terror within the Imperium. Once a fief of the Legio Mortis Traitor Titan Legion, there are great concerns that its foundries, if they still function, could be supplying arms and ammunition to the Forces of Chaos. Traitors to the Imperium.SamechSegmentum UltimaJericho ReachHadex AnomalyUnknownUnknownCut off from the rest of human space by Warp Storms for millennia, over time this Forge World fell to the Dark Mechanicus. Eventually consumed by the Hadex Anomaly, the fallen Tech-priests of Samech embraced the Ruinous Powers. Traitors to the Imperium.SarumSegmentum UltimaGolgotha WastesUnknownUnknownUnknownSettled during the Age of Strife, home to an aberrant sect of the Mechanicum, Sarum declared for the Traitor cause during the Horus Heresy. The world succumbed to an unknown Warp phenomenon that causes it to manifest at different times and places across the Golgothan Wastes. Traitors to the Imperium.Silent ForgeUnknownLaanah RiftsSilent AbyssUnknownUnknownA Dark Mechanicus Hell-Forge that is notable for creating Daemon Engines known as Decimators. Traitors to the Imperium.TemporiaUnknownUnknownUnknownUnknownUnknownA supposed realm of cogs and arcane mechanisms, dedicated to the Lord of Change, Tzeentch. The Inquisition believes that such a place is, in fact, real, despite lack of hard evidence of Temporia's location. Traitors to the Imperium.ToilUnknownUnknownUnknownUnknownUnknownA former Imperial vassal Forge World that was subjected to a daemonic ritual enacted by the Iron Warriors' Daemon Primarch Perturabo in 400.M32. Invoking Nurgle, the planet was scoured by daemonic machines and Toil was transformed into a realm of Chaos. Traitors to the Imperium.Uraniborg 1572UnknownUnknownUnknownUnknownUnknown (Currently) / 2.7 Billion Imperial Assay/978.M30, Tithe Grade Ultima-II (Formerly)A former Imperial vassal Forge World, which has recently been reported to have fallen from the Emperor's grace. Its foundries have been turned to the production of the tools of damnation, and the status of its attendant Titan Legion, the Legio Serpentes, is unknown. Traitors to the Imperium.Xana IISegmentum Obscurus (Currently), Segmentum Pacificus (Formerly)Unknown (Currently) / Vicidax Thule Sector (Formerly)UnknownUnknownUnknownA former Imperial Forge World that lay on the western reaches of the Segmentum Pacificus, Xana II was notoriously independent and politically long-estranged from Mars. During the Horus Heresy, they declared for the Traitors' cause. Eventually became the first of the so-called Hell-Forges of Chaos. Traitors to the Imperium.