Cadia is a terrestrial Fortress World on the edge of the nebula known as the Eye of Terror. Cadia's dangerous proximity to the Eye of Terror has made it necessary for the people of Cadia to fortify the planet. It is Cadia that is the first target of Abaddon the Despoiler's assaults and Black Crusades, launched from the Eye of Terror.


Cadia has a special and honoured place in the history of Mankind. Cadia stands upon the edge of the Eye of Terror within a narrow corridor of stable space called the Cadian Gate. This forms the one and only predictable passage between the Chaos infested daemon worlds of the Eye of Terror and Terra. No battle fleet of any size can rely upon other unstable passages and must pass through the Cadian Gate. Cadia is therefore one of the most strategically important planets of the galaxy.6


Cadia's natural environment is similar to that of pre-Hive World Terra, with a large ocean covering 70 percent of the planet. The land mass that does exist is divided between incredibly thick pine forests and vast glaciers. The planet is slightly cooler than most but not to the point that it adversely effects growing conditions.[Needs Citation]


Cadian Shock TroopsEdit

Cadia's planetary defence forces are known as the Interior Guard. It is from this guard that the Imperium draws the famed Cadian Shock Troopers regiments, widely regarded as the best soldiers in the Imperium short of the superhuman Space Marines. Their leader is the indomitable Ursarkar E. Creed, the saviour of Cadia and hero of the Battle for Cadia.[Needs Citation]

Strategic ValueEdit

Since Cadia is the capital of a sector raided by, and the Imperium's bastion against, the Chaos forces who raid directly from the Eye, it is one of the most militarized and fortified of Imperial planets. Massive Kasrs dot the landscape. All citizens of the planet must serve at least a four year term in the military, and the amount of military presence has lead to the population becoming focused on weapons production. 71.75% of the population is under arms 1.

On several occasions the forces of Chaos have moved against Cadia and raging battles have been fought in the depths of space. Such huge battles are rare, but the constant intrusion of Chaos raiding craft is commonplace. Chaos Space Marines make frequent forays onto the surface of Cadia and must be hunted down. The bulk of the Cadian army is made up of the Shocktroops, with the remainder made up of the Whiteshields (conscript soldiers recruited at the age of 14 and trained to take place in Shocktroop regiments) and the elite Kasrkin soldiers.[Needs Citation]

Notable regiments:


Cadia was settled sometime in the early 32nd millennium by humans, who quickly became the dominant species. The Cadian people are naturally tall, fair-skinned, with blonde hair and blue or purple eyes.[Needs Citation]

Cadian society is more martial than civilian, mostly due to the disproportionate ratio of soldiers to citizens in its population. The birth rate and the recruitment rate for the Cadian Imperial Guard is synonymous[Needs Citation]. Most Cadian children learn to field-strip a lasgun by the age of ten years, and many young Cadians serve in youth armies as Whiteshield. Cadian society is so martial, in fact, that camouflage patterns have made their way into everyday fashion and armoured tiles on the roofs of even the wealthy and successful. It is very easy to determine who is an outsider or local on Cadia by simply clothing.3

Reading of the NamesEdit

Being an embattled world, Cadia suffers constant casualties in the defence of Cadia and the Imperium. Cemetery space on the planet is at a premium so the local priests routinely check the tombstones of the honoured dead for legibility. When a section of the cemetery is deemed illegible those graves are exhumed and the bones are added to a communal pit. The theory is that once the names are illegible, the honours are forgotten.3


After the first Chaos invasion, soon after the planet was settled, Cadian cities changed from a plan of broad avenues to one where the streets of its cities arranged in zig-zag patterns meant to make any intruding enemies fight for every block. At the heart of each Cadian city is a fortress called a Kasr in the local dialect. The largest Kasr in 241.M41 was Kasr Derth.6


Although heavily militarized, Cadia is largely self-sufficient, and exports huge amounts of weapons to its neighbouring planets, while importing very little. Many other worlds use Cadian materials to equip their own regiments, including the Brimlock Dragoons.[Needs Citation]Cadia's earliest Kasrs had been built in the High Terra Style, with the wide streets laid out on a grid system. In early M.32, a Chaos invasion had wretchedly short work of all the kasrs.The broad, ordered avenues had proved impossible to hold or defend.Since then the Kasrs have been built in elaborate geometric patterns, the streets jinking back and forth like the teeth of a key. From the air, Kasr Derth looked like an intricate angular puzzle. Given the Cadians' mettle and their skills at urban-war, a kasr could be held street by street, meter by meter, for months if not years.

State after the Thirteenth Black CrusadeEdit

During the worldwide campaign of Abaddon the Despoiler's Thirteenth Black Crusade, the forces of Chaos managed to establish a major foothold on Cadia, though they lost the battle in space. The result of this is that most of Cadia is now under control of Chaos forces, although they have no way currently of being reinforced.

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