World · Segmentum Tempestus

Tallarn

Fig. 1 · Location on the map

Tallarn is a harsh desert world of a binary system of the Segmentum Tempestus. The Battle of Tallarn (010–011.M31): Perturabo’s Iron Warriors virus-bombarded the world and unleashed the largest armoured war of the Heresy (more than a million vehicle wrecks).

Category: World
Location: Segmentum Tempestus
Significance on the map: 4 of 5
Place confidence: Place reliable
Events: 1 event

Place on the map

Grounds for placing the system exactly here on the map:

«Tallarn is a harsh Desert World… in the Segmentum Tempestus» — Atlas compilation · source check 2026

Events in the system

Battle of Tallarn 010.M31 · Loyalist victory

Legions

Legions named in the system’s events:

Factions

Named among the sides of the system’s events:

Imperial Army 1 event
Mechanicum 1 event
Legio Krytos Titan Legion · 1 event
Legio Mortis Titan Legion · 1 event
Dark Mechanicum Mechanicum · 1 event

Characters

Linked to the system’s events:

Perturabo Primarch · Legion IV · 1 event
Kinor Argonis “the Unscarred” Champion · Legion XVI · 1 event
Forrix Champion · Legion IV · 1 event

Sources

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

Open in the atlas

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