Mu-4
From Warhammer 40k - Lexicanum
The Mu-4 is a globular cluster, that lies beyond the plane of the galactic disc.[1]
History
In late M41, its ancient stars were ruled by a Xenos power, which led the Imperium to launch the Crusade of Extermination to cleanse the cluster.[1]
Sources
- 1: Angron: The Red Angel (Novel), Chapter 8
