From Warhammer 40k - Lexicanum
|Map||Basic Data||Planetary Image|
|Affiliation:||Unknown, former Imperium|
|Class:||Unknown, former Mining World|
Hyrdos XII has an asteroid field near it, that was mined for crystals by the Imperium. The void-miners lived in a complex within the asteroid field, but during the Second Tyrannic War, they were all killed in an attack by Hive Fleet Magalodon.