World · Segmentum Obscurus

Mezoa

Fig. 1 · Location on the map

Mezoa is a forge world and fleet base in the sub-sector of the Cyclops Cluster (Segmentum Obscurus), the last loyal system of the Gothic Sector; the site of the Mezoan Campaign, which slowed Horus’s advance.

Category: World
Location: Segmentum Obscurus
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:

«Mezoa — a Forge World… in the Cyclops Cluster sub-sector of Segmentum Obscurus» — Atlas compilation · source check 2026

Events in the system

Mezoan Campaign 008.M31 · Loyalist victory

Legions

Legions named in the system’s events:

Factions

Named among the sides of the system’s events:

Mechanicum 1 event
Imperial Army 1 event
Legio Gryphonicus Titan Legion · 1 event
Dark Mechanicum Mechanicum · 1 event
Legio Fureans Titan Legion · 1 event

Characters

Linked to the system’s events:

Cassian Dracos Champion · Legion XVIII · 1 event

Sources

WH40k Fandom: Mezoa
Lexicanum: Mezoa
Atlas compilation · source check 2026

Open in the atlas

Permalink: https://astart.es/en/systems/mezoa/