Horus Heresy · atlas

014.M31 · The Siege of Terra

Death Guard Plague Landing

Place: Terra · Segmentum Solar

Fig. 1 · Place on the map

Traitor victory Nine “Ark Mechanicus” ships land by the Palace; the trenches are engulfed by pestilence and gas.

On the 7th of Quartus the Nine Disciples of Kelbor-Hal landed an “Ark Mechanicus”-class battleship each around the Imperial Palace, and the first Death Guard pods rained plague and chemical weapons down on the trenches. The pestilence of Nurgle rolled across the positions of the mortal defenders, dissolving flesh and will.

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Sides

Loyalists

Special forces

Traitors

Legions

Special forces

Commanders

Type
Siege
Scale
4 of 5
Casualties
Not reconciled by the sources.

Significance

The Death Guard bring Nurgle’s pestilence to the walls of Terra — a new, putrid phase of the siege.

Canon note

  • “The 7th of Quartus”: Kelbor-Hal’s Nine Disciples land a ship of the “Ark Mechanicus” class each at the Palace; the first Death Guard pods.

Sources

  1. Lexicanum: Siege of Terra
  2. Atlas compilation · source check 2026

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