Horus Heresy · atlas

Warp entity · traitors

Cor’bax Utterblight

Cor’bax Utterblight is a Daemon Prince of Nurgle, one of the “Daemon Princes of the Ruinstorm”, a bloated, swollen devotee of rot before whom a tidal wave of decay and disease rolls into battle. His theme is hope in the hearts of men, perverted into despair. His confirmed narrative appearance is the Siege of Terra (“The First Wall”); the link with Signus comes from game marketing.

Category
Warp entity
Side
Traitors
Key events
1 event
Forces
Daemon Prince of Nurgle, one of the “Daemon Princes of the Ruinstorm”; summoned by the dark rites of the Word Bearers.

Fate

Confirmed narrative appearance — the Siege of Terra (the novel “The First Wall”).

Key events

Sources

  1. Lexicanum: Cor’bax Utterblight
  2. The First Wall (G. Thorpe)
  3. Atlas compilation · source check 2026
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