Horus Heresy · atlas

World · Segmentum Tempestus

Gryphonne IV

Fig. 1 · Location on the map

Gryphonne IV is a forge world colonised by Martian tech-priests; the home of the loyalist Legio Gryphonicus (the “War Griffons”) and the Knight Houses Coldshroud and Cadmus. One of the largest and best-equipped Titan Legions of the Heresy comes from here.

Category
World
Location
Segmentum Tempestus
Significance on the map
2 of 5
Place confidence
Place reconstructed
Events
not marked in the chronicle

Place on the map

The place is reconstructed: the canon does not name it directly; the map places it from indirect evidence.

Grounds for placing the system exactly here on the map:

Russian source notes (1) RU
  • «Gryphonne IV — home of Legio Gryphonicus… colonised by Martian tech-priests» — Lexicanum: Legio Gryphonicus / Fandom: Gryphonne IV; сегментум прямо не назван в источниках, отнесён к Темпестус по общей лоре (вывод свода)

Sources

  1. WH40k Fandom: Gryphonne IV
  2. Lexicanum: Legio Gryphonicus
  3. Atlas compilation · source check 2026
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