Horus Heresy · atlas

World · Segmentum Ultima

Ohmn-Mat

Fig. 1 · Location on the map

Ohmn-Mat is a forge world of the Segmentum Ultima, split into loyalists and traitors; in the internecine strife (008.M31) it drew in the Sons of Horus and the surviving Iron Hands and was destroyed — by rumour, it burns still in the 41st millennium.

Category
World
Location
Segmentum Ultima
Significance on the map
2 of 5
Place confidence
Place reliable
Events
1 event

Place on the map

Grounds for placing the system exactly here on the map:

Russian source notes (1) RU
  • «…the forge world Ohmn-Mat in Ultima Segmentum» — минорные театры

Events in the system

Legions

Legions named in the system’s events:

Factions

Named among the sides of the system’s events:

Sources

  1. WH40k Fandom: Horus Heresy Chronology
  2. Atlas compilation · source check 2026
Open in the atlas

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