Aionos
| Map | Basic Data | Lunar Image | |
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Name: | Aionos | 
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| Primary: | Kylasma[1a] | ||
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| Affiliation: | Tomb World (implied)[1b][1d] | ||
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Aionos is a moon which orbits the gas giant Kylasma. It lies near the Statheros System.[1a]
At night its parent gas giant took up over a third of the sky. The planet was covered in the wreckage of civilian ships,[1a] as well as ancient xenos pyramids,[1b] implied to be Necron.[1d]
Around a hundred years before the Second War of Armageddon Commissar Yarrick and the 252nd Steel Legion deployed to the moon to engage with a Chaos warband led by the Heretic Astartes of the Harkanor's Reavers warband.[1c] The ancient xenos within the pyramids would awaken as Yarrick's force left the moon.[1d]
