COS-official lore blurbs, meant to help writers get a feel for the setting.

Abhumans

Abhumans Overview An Abhuman is a descendant of human settlers whose ancestors evolved and physically adapted to the extreme environmental conditions of their colony world over thousands of years of…

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Psykers/Sorcerers

Psykers/Sorcerers Overview A psyker can be a member of any intelligent race. They wield the power of the Immaterium to manifest psychic powers. These can vary from minor tricks and…

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Imperial Navy

Imperial Navy Overview The Imperial Navy is responsible for all the fleets of starships that maintain order across the Imperium, providing the Astra Militarum with space and air support, and…

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Astra Militarum

Astra Militarium Overview The Astra Militarum is the main fighting force of the Imperium of Man. Made up of billions of men and women, and supported by countless light and…

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Slaanesh

Slaanesh Overview Slaanesh is The Dark Prince, the Lord of Pleasure and Master of Excess. To the Aeldari, they are She Who Thirsts. Lurking in the recesses of mortal minds,…

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Tzeentch

Tzeentch Overview Tzeentch is the Changer of Ways and the Architect of Fate. Feeding upon the ambitions, hopes and desires for change that reside in all mortals, he twists and…

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Nurgle

Nurgle Overview Nurgle is the Father of Plagues and the Great Corruptor. He is the embodiment of decay and disease – feeding gleefully on the despair of mortals as his…

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Adeptus Astartes

Adeptus Astartes Overview The Adeptus Astartes, or Space Marines, are the iconic elite fighting force of the Imperium. Created from the genetic material of the Primarchs, a Space Marine is…

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Khorne

Khorne Overview Khorne is the Blood God and Lord of Skulls. His bellows of rage echo endlessly throughout the Immaterium demanding bloodshed, death and destruction from his followers. Like his…

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Heretic Astartes

Heretic Astartes Overview The Heretic Astartes, often known as Chaos Space Marines or Traitor Marines, are Astartes that have turned their backs on the Imperium of Man. Having cast aside…

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