014.M31 · The Siege of Terra · date approximate
Boarding of the Vengeful Spirit
Place: Terra · Segmentum Solar
Inconclusive Four companies teleport aboard; Horus’s warp-might scatters and suborns them.
When Horus lowered the shields of the “Vengeful Spirit”, the Emperor led a teleport boarding under the codename “Anabasis” — four companies: the Hetaeron Guard with the Emperor, the second company of Custodians under Valdor, the Sanguinary Guard with the Blood Angels under Sanguinius and Raldoron, and the Huscarls of the Imperial Fists under Dorn. On arrival Horus’s warp-might scattered them across the ship, and dozens of the Emperor’s own Custodians he turned against their lord — and the Emperor had to strike down his own bodyguards until the delusion passed.
Sides
Loyalists
Special forces
- Type
- Battle
- Scale
- 5 of 5
- Casualties
- Not reconciled by the sources.
Significance
The start of the final assault on Horus’s flagship — the prelude to the death of Sanguinius and the duel.
Disputed in the canon
- A siege fragment of c. 591.014.M31: the teleport boarding “Anabasis” by four companies before the duel.
Sources
- Lexicanum: Siege of Terra
- The End and the Death (D. Abnett)
- Atlas compilation · source check 2026
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