Horus Heresy · atlas

Mechanicum · traitors

Anvilus Nine

Anvilus Nine (the Anvilus complex) is a forge world seized by the traitors, wholly devoted to producing Land Raiders in the Crusade (to meet enormous Imperial demand); the first Land Raider of the Proteus pattern and the famed Anvillus blunt-nose autocannon were built here. Home of the traitor Legio Vulpa; its seizure by the Dark Mechanicum cut off the loyalists’ supply of Land Raiders.

Category
Mechanicum
Side
Traitors
Key events
not named
Forces
A forge world wholly devoted to producing Land Raiders in the Crusade; it built the first Land Raider (the Proteus pattern); home of the traitor Legio Vulpa.

Fate

Seized by the Dark Mechanicum in the Heresy, cutting off the loyalists’ supply of Land Raiders; paralysed by civil war.

Sources

  1. Lexicanum: Anvilus Nine
  2. WH40k Fandom: Legio Vulpa
  3. Atlas compilation · source check 2026