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Lucius (Forge World)

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Targetdrone.gif This article is about the Forge World; for the other uses, see Lucius (disambiguation).
Map Basic Data Planetary Image
Small cross.pngLucius[3a]
Name: Lucius Lucius34.jpg
Segmentum: Segmentum Obscurus[1a][3a]
Sector: Unknown
Subsector: Unknown
System: Unknown
Population: Unknown
Affiliation: Imperium[1a]
Class: Forge World[1a]
Production Grade: III-Prima[1a]
Tithe Grade: Aptus Non[1a]

Lucius is a Forge World and is home to the Legio Astorum Titan Legion (AKA the "Warp Runners").[1a][3b] It also is the place of origin of the Macharius-class super-heavy battle tank.[4b]


Lucius Skitarii

The name of this world originates from Luciun, a unique alloy renowned for its durability. The war-plate and weapon of the armies of Lucius is made of Luciun, so the warriors of Lucius's forces have improved resilience against small-arms fire.[7]

A hollow world[3b] (one of the Supernatura Majoris of the Imperium[3b][8]), Lucius has been part of a grand experiment that should have destroyed it a dozen times over. The centre of its once-barren core is an artificial sun, a titanic fusion reactor that powers the industry sprawling above. No one truly knows how this energy source came to be, though many Tech-Priests take credit. Lucius' boundless power supply has made it a forefront of military production, producing many types of guns and vehicles. Their Ironstriders and Onager Dunecrawlers are the most bellicose of all the Skitarii legions. Their Titan Legion are the infamous Legio Astorum.[3b]

The illuminated letter that forms Lucius' icon is burnt into the surface of the planet, each detail a dozen miles from top to bottom.[8]

Lucius's forge is well-known for producing the Lucius Pattern Warhound Scout Titan and Lucius Pattern Drop Pod.[Needs Citation] It is also produces large quantities of Macharius Tanks of different patterns.[5a]


At some point the planet suffered the disastrous Inculcata Schism, which nearly saw the Forge World implode with enough force to rip a hole in reality. Today this event is only spoken of in whispers.[3b]

In M41, Lucius was invaded by Hive Fleet Leviathan. Fortunately, the Mechanicus forces were victorious in driving away the Tyranids after months of bloody fighting[6] winning the war of attrition when xenos could not keep pace with the refurbished robots and the recycled machinery parts of the Lucians.[8]

Lucius patterns

Lucius is known to produce its own patterns:

Armoured Vehicles




See also