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Ardium is an Imperium Hive World and is part of the stellar Realm of Ultramar.[1]

Map Basic Data Planetary Image
px Name: Ardium Unknown.jpg
Segmentum: Ultima Segmentum
Sector: Unknown
Subsector: Ultramar
System: Macragge System
Population: Unknown
Affiliation: Imperium
Class: Hive World
Tithe Grade: Unknown

During the Thirteenth Black Crusade, it was one of the many worlds of Ultramar that were invaded by the Chaos forces of Abaddon the Despoiler. During its invasion, the Bitter Sons Warband captured one of Ardium's subterranean Hives, but the reborn Primarch Roboute Guilliman later led the Ultramarines to free the world and destroyed the Warband.[1]

Ardium was again the site of fighting between the Ultramarines and Chaos during the Plague Wars.[3]


  • Hive Creostos[2]

See Also