Lucius, known as "The Hollow Forge," is an Imperial Forge World of the Adeptus Mechanicus that is located in the Segmentum Obscurus of the Milky Way Galaxy. The planet is home to the Legio Astorum, a Loyalist Titan Legion, that is also known as the "Warp Runners." Lucius is a large Forge World that produces everything from Imperial Guard infantry weapons to Space Marine battle tanks and mighty Battle Titans of the Collegia Titanica. It is known that Lucius is a Production Grade III-Prima Forge World with a Tithe Grade of Aptus Non, meaning it pays no tithe to the Administratum, as its industrial output is considered of potent strategic value for the Imperium in and of itself.


Lucius is one of the Imperium's Supernatura Majoris, a unique jewel in the Adeptus Mechanicus' crown. A hollow world, Lucius has been part of a grand experiment that should have destroyed it a dozen times over. In the centre of the planet's once-barren core is an artificial sun, a titanic fusion reactor that powers the industrial sprawl covering the inside of the world. No one truly knows how this energy source came to be, though the planet's Tech-Priests are quick to claim credit if pressed on the matter. Lucius' boundless power supply has kept it on the forefront of military innovation. Many latter-day vehicles and guns hail from this Forge World, and their numerous Ironstriders and Onager Dunecrawlers are the most bellicose of all the Skitarii Legions. The Titans of the Legio Astorum, known as the Warp Runners, are the only god-machines sophisticated enough to teleport straight into battle. This is a point of pride amongst the Lucians, and cause of envy amongst their fellow legions. These all-too-human emotions have flared up into open conflict at times. The disastrous Inculcata Schism, which nearly saw the Forge World implode with force enough to rip a hole in reality, is only spoken of in whispers to this day.

The forges of Lucius are some of the mightiest in the Imperium, and Lucius Pattern weapons and vehicles are found on many worlds and in many armies. Lucius is most notable for having its own pattern of Warhound, Reaver, and Warlord-class Titans, as the only other known patterns of Titan all originate on Mars itself. Lucius is also known for being the Forge World responsible for the rediscovery of the Standard Template Construct (STC) designs for the Macharius Heavy Tank and the Cyclops demolition vehicle. Lucius also supplies the weaponry, vehicles, and other needed war materiel to the great Imperial Guard regiments known as the Death Korps of Krieg, supplying them with many of their vehicles and weapons such as their Medusa Siege Guns, Heavy Mortar Cannons, and Thudd Guns. The forges of Lucius are very capable of constructing many of the rarest and most powerful vehicles in the Imperium, such as the Baneblade, Shadowsword, Stormblade, and Stormlord, along with many more common vehicles such as the Imperial Guard's Manticore, Trojan, Destroyer Tank Hunter, Vulture, Salamander, and Valkyrie. The planet also produces Vindicators and Drop Pods for the Adeptus Astartes.

Notable EventsEdit

  • The Dark Fate of Vheinos (221.M32) - When the Astropathic choir falls silent upon the Civilised World of Vheinos, Forge World Lucius sends its Skitarii to investigate at gunpoint. The resultant rebellion sees heresy spread like wildfire, just as the Tech-Priests had calculated. Within days the Skitarii find themselves outnumbered eighty to one -- a ratio high enough to trigger rad warfare protocols. A month later, the Skitarii leave the planet a lifeless wasteland, its Astropathic duct excised and permanently relocated to one of Lucius' moons.

Lucius AppearanceEdit

Lucius IconographyEdit

Lucius Forge World

The official Imperial stamp of the Forge World of Lucius

The Skitarii cohorts bear the icon of Forge World Lucius. The illuminated letter that forms Lucius' icon is burnt into the planet's own surface, each detail a dozen miles from top to bottom.

Lucius Forge World ColoursEdit

Like other Forge Worlds, Lucius maintains its own Skitarii forces to protect it's interests, annihilating the enemies of the Tech-Priests, and fighting at the vanguard of the Quest for Knowledge. The battle plate of Lucius' Skitarii cohorts is dark, almost black in colouration. Like the armour of its vehicles, the plate is made from a rare alloy, scorched black by the artificial sun within the planet in a ritual known as the Solar Blessing. Ever since the Inculcata Schism, Lucius' Skitarii Legion have used the same system of markings as Mars. They even adopted the deep red of the first Forge World, although the cream and dark metal of their planet's original heraldry lie beneath.


  • Codex: Skitarii (7th Edition), pp. 29, 36, 65-71
  • Imperial Armour Volume One - Imperial Guard and Imperial Navy, pg. 8
  • Imperial Armour Apocalypse, pp. 11-13
  • Imperial Armour Apoclypse (Second Edition), pp. 9-11, 20
  • Imperial Armour Volume Six - The Siege of Vraks - Part Two, pp. 97, 114-117


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