The majority of a forge-world's solid ground surface is covered in thousands of years of built-up, massive industrial complexes: great machine factories, production centres, huge volcanic furnaces, skyscraping chimneys, abyss-like quarries and the great workshop-fortresses of the Collegia Titanica. No other world can match the quality and quantity of a forge world's output.[1]
The Adeptus Mechanicus possesses a monopoly on the advanced technological knowledge of Terra's past; consequently, forge worlds are the sole producers of the Imperium's more unique and advanced equipment: high-end personal weapons, spacecraft, war machines such as tanks, fighters, and even Titans, as well as more mundane but vital and advanced equipment.[1]
The population of a forge world is invariably immense, the majority directly involved in the industry of the planet, laboriously working in factories and involved in heavy mining. The result of the planet's complete industrialization means its ecosystem has been completely destroyed. The air is saturated with toxic gases and rivers flow with toxic run-off from factories. In many cases, even seas and oceans have been dried up to make room for more factories. However, the output of forge worlds is absolutely vital to the Imperium as a whole.[16]
Planet name
|
Segmentum
|
Sector
|
Subsector
|
System
|
Notes
|
Source
|
Accatran
|
Ultima Segmentum
|
|
|
|
|
Imperial Armour Volume One - Imperial Guard and Imperial Navy, pg. 8
|
Alpha Primus
|
Unknown (just outside of Segmentum Solar)
|
|
|
Quintillus System
|
|
Warhammer World Event - The Shadow War
|
Agripinaa
|
Segmentum Obscurus
|
Agripinaa Sector
|
|
Agripinaa System[6]
|
|
Imperial Armour Volume One - Imperial Guard and Imperial Navy, pg. 8
|
Alar-Median
|
Segmentum Tempestus
|
|
|
|
|
Imperial Armour Volume Two - Second Edition: War Machines of the Adeptus Astartes, pg. 8
|
Albert IV
|
|
|
|
|
|
Adeptus Titanicus (game) Rulebook, pg. 43
|
Antax
|
Ultima Segmentum
|
Vidar Sector
|
|
|
|
Codex: Blood Angels (5th Edition), pgs. 20–21
|
Antioc
|
Segmentum Obscurus
|
|
Prath Veil sub-sector
|
|
Captured by Chaos forces
|
Imperial Armour Volume One - Imperial Guard and Imperial Navy, pg. 8
|
Anvillus
|
Ultima Segmentum
|
|
|
|
Known for production of Warlord Battle Titans of Mars-Alpha Pattern
|
The Horus Heresy Book Eight pg.115
|
Anvilus Nine
|
|
|
|
|
Was captured by renegade Tech-Priests of the Dark Mechanicus during the Horus Heresy. Its later fate is unknown.
|
Imperial Armour Volume Two, pgs. 83–84
|
Arcetri
|
|
|
|
|
Now — Dead World
|
Imperial Armour Volume Two, pgs. 83–84
|
Artemia Majoris
|
Segmentum Pacificus
|
|
|
|
|
Imperial Armour Volume Four - The Anphelion Project, pg. 110
|
Artos-Rho IV[13]
|
|
|
|
|
One of the trio of Forge Worlds (named Deuterium Stars) which during the Great Crusade were the only ones who produced the Las-Impulsors for Imperial Knights before M34. Overrun and destroyed during the Horus Heresy.[13]
|
|
Atanix Triumvirae
|
|
|
|
|
|
The Eye of Ezekiel (Novel), Chapter Six
|
Atar-Median
|
Segmentum Pacificus
|
|
|
|
|
The Horus Heresy Book Two - Massacre pgs. 156–157
|
Barnassus (former)
|
|
|
|
|
Now — Dead World
|
Fire Warrior (Novel), Chapter 5
|
Belacane[2]
|
Segmentum Obscurus
|
Calixis Sector
|
Markayn Marches
|
Belacane System
|
|
Black Industries' 'Guide to the Calixis Sector' PDF, pg. 24
|
Beshic V
|
|
|
|
|
|
Cadian Blood (Novel), Chapter VIII
|
Beta Cornix
|
Tempestus
|
|
|
|
|
Deliverance Lost (Novel), Chapter 10
|
Bronta-Median
|
|
|
|
|
Homeworld of the Legio Perennia Titan Legion[12]
|
[12]
|
Byrrus Alpha
|
|
|
|
|
|
Adeptus Titanicus Part 7: Founding a Titan Legion I
|
Chaeroneia
|
|
|
|
|
|
Dark Adeptus (Novel), Prologue
|
Columnus
|
Segmentum Solar
|
|
|
|
|
Clan Raukaan - A Codex: Space Marines Supplement — Battle for Columnus
|
Crucible-Omega
|
Segmentum Solar
|
|
|
|
Dark Mechanicus Forge World
|
Imperial Armour Volume Thirteen - War Machines of the Lost and the Damned, pg. 13
|
Cyclopea
|
Segmentum Obscurus
|
Calixis Sector
|
The Periphery
|
|
Also — Civilized World
|
Fantasy Flight Games The Calixis Sector
|
Cyclothrathe
|
Segmentum Obscurus
|
Coronid Deeps
|
|
|
Chaos Forge World
|
The Horus Heresy Book Four - Conquest, pg. 76
|
Cypra Mundi aka Cypra-Mundi
|
Segmentum Obscurus
|
|
|
|
Also Fleet Base
|
Imperial Armour Volume One - Imperial Guard and Imperial Navy. pg. 217
|
Cyraxus II[7]
|
|
|
|
|
|
|
Dantris III
|
Ultima Segmentum
|
|
|
|
|
White Dwarf 109 (UK), The Imperial Guard.
|
Deimos
|
Segmentum Solar
|
Sector Solar
|
Subsector Sol
|
Sol System
|
Ancient moon of Mars, now - sub-moon of Titan
|
Codex: Grey Knights (5th Edition), pg. 11
|
Diamat
|
Ultima Segmentum
|
|
|
|
|
Fallen Angels (Novel), Chapter 1
|
Diesos
|
|
|
|
|
Dark Mechanicum Forge World
|
Codex: Chaos Daemons (6th Edition), pg. 23
|
Dominica II
|
|
|
|
|
|
Imperial Armour Volume II, pg. 233
|
Dynax Primus
|
|
|
|
|
|
Apocalypse (2013), pg. 35
|
Estaban III
|
Ultima Segmentum
|
|
|
Estaban system
|
|
Imperial Armour Volume One - Imperial Guard and Imperial Navy, pg. 8
|
Estaban VII
|
Ultima Segmentum
|
|
|
Estaban system
|
|
Imperial Armour Volume One - Imperial Guard and Imperial Navy, pg. 8
|
Forge Polix
|
Segmentum Obscurus
|
Calixis Sector
|
Screaming Vortex
|
|
Dark Mechanicus Forge World
|
Black Crusade: The Tome of Fate, pg. 36
|
Fortis Binary
|
Segmentum Pacificus
|
Sabbat Worlds
|
|
|
Chaos Forge World
|
[5]
|
Fusiria
|
|
|
|
|
One of the trio of Forge Worlds (named Deuterium Stars) which during the Great Crusade were the only ones who produced the Las-Impulsors for Imperial Knights. Turned Traitor during the Horus Heresy.
|
[13]
|
Galatia
|
|
|
|
|
|
The Horus Heresy Book Nine pg.21
|
Gamanede[14]
|
|
|
|
|
Cadian 113th took the last stand on this planet
|
[14]
|
Gantz
|
Ultima Segmentum
|
|
|
|
Controlled by the Ultramarines
|
Codex: Space Marines (8th Edition), pg. 25
|
Glasgow IV
|
|
|
|
|
|
Adeptus Titanicus (game) Rulebook, pg. 43
|
Gorgonum
|
|
|
|
|
|
White Dwarf 63 (2015) — Battleground: Gorgonum
|
Goth
|
Segmentum Obscurus
|
Gothic Sector
|
|
|
|
Codex: Necrons (7th Edition), pg. 13
|
[[Graia]
|
Segmentum Tempestus
|
|
|
|
|
Codex: Cult Mechanicus (7th Edition) — Temples of the Omnissiah
|
Gryphonne IV (former)
|
Segmentum Tempestus
|
|
|
|
Now — Dead World. Devoured by Hive Fleet Leviathan
|
Imperial Armour Volume One - Imperial Guard and Imperial Navy, pg. 8
|
Hadd
|
Segmentum Obscurus
|
Calixis Sector
|
Golgenna Reach
|
The Lathes
|
|
[2]
|
Haddrack
|
Segmentum Obscurus
|
Calixis Sector
|
Drusus Marches
|
|
Minor Forge World. Also - a Death World
|
Dark Heresy: The Inquisitor's Handbook, pgs. 37–38
|
Helios
|
|
|
|
|
|
Imperial Armour Volume Two, pg. 106
|
Hellgrace
|
|
|
|
|
|
Apocalypse (2013), pg. 35
|
Hesh
|
Segmentum Obscurus
|
Calixis Sector
|
Golgenna Reach
|
The Lathes
|
|
[2]
|
Het
|
Segmentum Obscurus
|
Calixis Sector
|
Golgenna Reach
|
The Lathes
|
|
[2]
|
Hexium Minora
|
|
|
|
|
|
[9]
|
Hydra Cordatus
|
Segmentum Obscurus
|
|
|
Hydra Cordatus
|
Index Expurgatorius
|
Dead Sky, Black Sun (Novel), Prologue
|
Hydraphur
|
Segmentum Pacificus
|
|
|
|
Also — Fleet Base
|
White Dwarf 139 (UK) - Interstellar Travel
|
Hypnoth (former)
|
Ultima Segmentum
|
|
|
|
Now planet belongs to Sautekh Dynasty
|
Codex: Necrons (5th Edition), pg. 26
|
Idumea
|
Segmentum Obscurus
|
Calixis Sector
|
Hazeroth Abyss
|
|
|
[2]
|
Incaladion
|
Ultima Segmentum
|
|
|
|
|
Imperial Armour Volume One - Imperial Guard and Imperial Navy, pg. 8
|
Ironghast Foundry
|
|
|
|
|
Chaos/Khorne Forge World
|
Codex: Khorne Daemonkin — The Ironghast Foundry
|
Ironhelm
|
|
|
|
|
|
Codex: Blood Angels (5th Edition), pg. 15
|
Ixas
|
|
|
|
|
There housed the holy Las-Impulsors STC.
|
[13]
|
Jerulas
|
Segmentum Pacificus
|
|
|
|
|
Imperial Armour Volume Two - Space Marines and Forces of the Inquisition, pg. 8
|
Jupiter
|
Segmentum Solar
|
Sector Solar
|
Subsector Sol
|
Sol System
|
Also - a Mining World
|
The Horus Heresy Book One - Betrayal, pg. 18
|
JXM A18Z
|
Segmentum Obscurus
|
Calixis Sector
|
Malfian
|
|
|
[2]
|
Kai (former)
|
Segmentum Obscurus
|
|
|
Kai System
|
Population was butchered by Chaos.
|
Codex: Chaos Space Marines (3rd Edition, 2nd Codex), pg. 20
|
Khania
|
|
|
|
|
Invaded by Tyranids. Fate unknown.
|
Gates of the Devourer (Short Story)
|
Kiavahr
|
Segmentum Tempestus
|
Forsarr Sector
|
|
|
Controlled by the Raven Guard.
|
The Horus Heresy Book Three - Extermination, pg. 133
|
Koden Tertius
|
|
|
|
|
|
[10]
|
Konor
|
Segmentum Ultima
|
|
Ultramar
|
|
Controlled by the Ultramarines
|
Codex: Space Marines (5th Edition), pg. 31
|
Lucius
|
Segmentum Obscurus
|
|
|
|
|
Imperial Armour Volume One - Imperial Guard and Imperial Navy, pg. 8
|
M'khand
|
Segmentum Pacificus
|
|
|
|
|
Imperial Armour Volume One - Imperial Guard and Imperial Navy, pg. 8
|
Magnax
|
|
|
|
|
One of the trio of Forge Worlds (named Deuterium Stars) which during the Great Crusade were the only ones who produced the Las-Impulsors for Imperial Knights. Was overrun and destroyed during the Horus Heresy
|
[13]
|
Magnos Omicron
|
Segmentum Solar
|
|
|
|
|
[8]
|
Mars
|
Segmentum Solar
|
Sector Solar
|
Subsector Sol
|
Sol System
|
|
Codex Imperialis (Background Book), pg. 42
|
Megyre (former){
|
Ultima Segmentum
|
|
|
|
Now — Dead World
|
Codex: Tyranids (5th Edition), pg. 27
|
Metalica
|
Ultima Segmentum
|
|
|
|
|
Imperial Armour Volume One - Imperial Guard and Imperial Navy, pg. 8
|
Mezoa
|
Segmentum Obscurus
|
Gothic Sector
|
Cyclops sub-sector
|
|
|
Battlefleet Gothic Rulebook, pg. 159
|
Moirae (former)
|
|
|
|
|
Now - Destroyed
|
Imperial Armour Volume Ten, pg. 97
|
Moredakka (former)
|
Segmentum Obscurus
|
Scarus
|
|
Thracian Primaris
|
Now — Ork World
|
White Dwarf 287 (UK), pg. 39
|
Morvane
|
|
|
|
|
Lost Imperium world
|
Codex: Adeptus Custodes (8th Edition), pg. 32
|
Mpandex
|
Segmentum Obscurus
|
Gothic Sector
|
Gethsemane sub-sector
|
|
|
Imperial Armour Volume One - Imperial Guard and Imperial Navy, pg. 8
|
Omnicron 71-DX
|
Segmentum Obscurus
|
Calixis Sector
|
Adrantis Nebula
|
|
|
[2]
|
Ophelia VII
|
Segmentum Tempestus
|
|
|
Ophelia System
|
Also — Cardinal World, Shrine World
|
Imperial Armour Volume Two (First Edition), pg. 224
|
Opus Ersaticus
|
|
|
|
|
|
Fearful Symmetries (Short Story)
|
Opus Macharius
|
Segmentum Obscurus
|
Calixis Sector
|
Drusus Marches
|
|
|
[2]
|
Ordana
|
|
|
|
|
|
Imperial Armour - Apocalypse II, pg. 11
|
Orestes
|
Segmentum Pacificus
|
|
|
|
Also — Knight World
|
[4]
|
Palatine III
|
|
|
|
|
Also — War World, partly — Ork World
|
Codex: Imperial Knights (8th Edition), pg. 13
|
Palomar (former)
|
|
|
|
|
Now — Dead World
|
Fanatic Online #1 — Avicennas Warband
|
Pentos
|
|
|
|
|
|
Munitorum: Warscythes, pg. 2
|
Perinetus
|
Segmentum Obscurus
|
Calixis Sector
|
Adrantis Nebula
|
|
|
[2]
|
Phaeton
|
Segmentum Solar
|
|
|
|
|
[2]
|
Porphetus (former)
|
|
|
|
|
Now — Dead World
|
Priests of Mars (Novel), Microcontent 06
|
Proximus
|
|
|
|
|
|
Titanicus (Novel), - 101
|
Rangda IX
|
|
|
|
|
|
Imperial Armour Volume Thirteen - War Machines of the Lost and the Damned, pg. 169
|
Retlaxi
|
|
|
|
|
It is unknown is it an Imperium or heretical Forge World at now.
|
The Horus Heresy Book One - Betrayal, pg. 138
|
Ryboth
|
Segmentum Obscurus
|
Calixis Sector
|
Markayn Marches
|
|
|
[2]
|
Ryza
|
Ultima Segmentum
|
|
Aurus Subsector
|
Ryza System
|
|
Imperial Armour - Imperial Vehicles for Warhammer 40,000, pg. 16
|
Samech
|
Ultima Segmentum
|
|
|
Jericho Reach
|
Dark Mechanicum Forge World
|
Deathwatch: The Achilus Assault, pgs. 91–93
|
Sareme
|
|
|
|
|
Home to Legio Arconis. It has almost completely fallen to Heresy, in the aftermath of the Great Rift's creation.
|
Ghosts of Iron (Short Story)
|
Shaehol
|
|
|
|
|
|
Imperial Armour Volume Nine - The Badab War - Part One, pg. 84
|
Shenlong (former)
|
Ultima Segmentum
|
|
|
|
Now — Dead World
|
Lantern's Light (Short Story)
|
Silent Forge
|
|
|
|
|
Dark Mechanicus Forge World
|
Imperial Armour Volume Thirteen - War Machines of the Lost and the Damned, pg. 12
|
Skorgulian
|
Segmentum Obscurus
|
Calixis Sector
|
Adrantis Subsector
|
|
|
[2]
|
Solemnium (former)
|
|
|
|
|
Former Imperium Forge World
|
Codex: Imperial Knights (6th Edition) — A Legacy of Honour - Justice
|
Staban VII
|
|
|
|
|
|
Imperial Armour Volume Two (Second Edition), pg. 231
|
Straxos
|
|
|
|
|
|
Warhammer 40,000 7th Edition Rulebook (E-Book) — Time of Ending
|
Stryken Primus
|
Segmentum Obscurus
|
|
|
Stryken System
|
|
Codex: Imperial Knights (6th Edition) — Notable Knight Worlds
|
Stygia XII
|
|
|
|
|
|
And They Shall Know No Fear... (Short Story)
|
Stygies VIII
|
Ultima Segmentum/Segmentum Obscurus
|
|
|
Vulcanis system
|
|
Imperial Armour Volume One - Imperial Guard and Imperial Navy, pg. 8
|
Synford
|
Segmentum Obscurus
|
Calixis Sector
|
Hazeroth Abyss
|
|
|
[2]
|
Synford II
|
Segmentum Obscurus
|
Calixis Sector
|
Malfian
|
|
|
[2]
|
Tancredi
|
|
|
|
|
|
[Needs Citation]
|
Taslan's Forge
|
|
|
|
|
|
Iron Hands (Novel), Chapter 10
|
Telemachus
|
|
|
|
|
|
Faith and Fire (Novel), Chapter 5
|
Temaxia
|
Segmentum Tempestus
|
Uhulis Sector
|
|
|
|
Imperial Armour Volume Twelve - The Fall of Orpheus, pg. 17
|
Thrax (former)
|
|
|
|
|
Now — Dead World
|
Codex: Space Marines (5th Edition), pg. 40
|
Tigrus (former)
|
Ultima Segmentum
|
|
|
|
Overrun by Orks in M35, now - an Ork World
|
Imperial Armour Volume One - Imperial Guard and Imperial Navy, pg. 8
|
Toil
|
|
|
|
|
Former Imperium, now — Chaos Forge World and Dead World
|
Codex: Chaos Space Marines (6th Edition), pg. 22
|
Tolkan
|
Segmentum Tempestus
|
|
|
|
|
Imperial Armour - Imperial Vehicles for Warhammer 40,000, pg. 24
|
Tophet VI
|
|
|
|
Tophet System
|
Invaded by the Iron Warriors.
|
Hunting Ground (Short Story)
|
Triplex Phall
|
Ultima Segmentum
|
|
|
|
|
Imperial Armour Volume One - Imperial Guard and Imperial Navy, pg. 8
|
Turanshush
|
Segmentum Obscurus
|
Calixis Sector
|
Markayn Marches
|
|
|
[2]
|
Ur-haven
|
|
|
|
|
|
[Needs Citation]
|
Uraniborg 1572
|
|
|
|
|
Chaos Forge World
|
Priests of Mars (Novel), Microcontent 07
|
Urdesh
|
Segmentum Pacificus
|
|
|
|
|
Imperial Armour Volume One - Imperial Guard and Imperial Navy, pg. 8
|
Vanaheim
|
|
|
|
|
|
Imperial Armour Volume One - Imperial Guard and Imperial Navy, pg. 130
|
Vaznagrod
|
|
|
|
|
|
Iron Hands (Novel), Chapter 10
|
Venatoria
|
|
|
|
|
|
Codex: Cult Mechanicus (7th Edition) — The Quest for Knowledge
|
Verica VII
|
|
|
|
|
|
Priests of Mars (Novel), Microcontent 05
|
Vindalex
|
Obscurus
|
Gothic Sector
|
|
|
|
Imperial Armour Volume Thirteen - War Machines of the Lost and the Damned, pg. 51
|
Voss Prime
|
Segmentum Solar
|
|
|
|
|
Imperial Armour Volume Six - The Siege of Vraks - Part Two, pg. 148
|
Zhao-Arkkad
|
Segmentum Tempestus
|
|
|
|
|
Imperial Armour Volume Eleven: The Doom of Mymeara, pg. 90
|
Zpandex
|
Segmentum Obscurus
|
Gothic Sector
|
Gethsemane sub-sector
|
|
|
[Needs Citation]
|
Zopyrus VI
|
|
|
|
|
|
Calculus Logi (Short Story)
|
Zosma
|
Obscurus
|
|
|
|
|
Warhammer 40,000: Chaos Gate — Target of Opportunity: Zosma
|
|
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