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1. Heretical Cosmology by Hauntx3

   Fandoms: Warhammer 40.000  

   • Mature
   • Graphic Depictions Of Violence
   • F/M
   • Complete Work

   16 Apr 2026

   Tags

   • Graphic Depictions Of Violence
   • Original Astra Militarum Character(s)/Original Astra Militarum Character(s) (Warhammer 40.000)
   • Original Astra Militarum | Imperial Guard Character(s) (Warhammer 40.000)
   • slow-burn
   • Slaaneshi corruption
   • Necrodermis
   • Trazyn The Infinite - Freeform
   • Belisarius Cawl - Freeform
   • They should never be friends
   • Ultramarine Brutality
   • Child Death (not graphic)
   • Canon-Typical Violence
   • Inquisition
   • IIIrd Legion | Emperor's Children (Warhammer 40.000)
   • Mutation
   • Auditory Mutations
   • Sarah Trevelyan
   • Darien Steele
   • Matilda Blackwood
   • Ophelia's Reach
   • Cadians - Freeform
   • Cadian Royalty
   • Cadia Stands

   Summary

   The Imperium teaches obedience. Sergeant Sarah Trevelyan has always obeyed.

   But when the enigmatic Captain Darien Steele and the Sons of Fortune arrive to save her regiment, Sarah is drawn into a hidden war of cults, conspiracies, and forbidden knowledge. On a ship doomed to die, she must decide whether loyalty is virtue—or just another chain.

   Series

   • Part 2 of Shared Warhammer Universe

   Language:

   English

   Words:

   19,855

   Chapters:

   6/6

   Kudos:

   1

   Hits:

   31