Horus Heresy · atlas

013.M31 · The Siege of Terra · date approximate

Siege of Cthonia

Place: Cthonia · Segmentum Solar

Fig. 1 · Place on the map

Inconclusive The Sons of Horus’s homeworld passes from hand to hand; it will be destroyed in 014.M31.

Cthonia, Horus’s incubator homeworld right by Terra, became a three-stage battle (006–014.M31): the Imperial Fists took it in 006.M31, a splinter fleet of the Sons of Horus retook it in 013.M31, and finally the Dark Angels destroyed the world in 014.M31.

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Type
Siege
Scale
2 of 5

Significance

A symbolic struggle for the Warmaster’s homeworld at the threshold of Terra.

Disputed in the canon

  • A three-stage siege, 006–014.M31; entered as a single record at the pivotal 013.M31.

Sources

  1. Lexicanum: Siege of Cthonia
  2. Slaves to Darkness (J. French)

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