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1. Ad Arcendum Hostium by creamofwheat2311

   Fandoms: Halo (Video Games) & Related Fandoms, Mass Effect Trilogy  

   • Mature
   • Creator Chose Not To Use Archive Warnings
   • No category
   • Complete Work

   08 Jan 2026

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Jacob Keyes
   • John-117 | Master Chief
   • Male Shepard (Mass Effect)
   • Thel 'Vadam | The Arbiter
   • Rtas 'Vadum
   • Garrus Vakarian
   • Tali'Zorah nar Rayya

   Summary

   The UNSC Pillar of Autumn and a hand-picked crew are given an impossible mission to force an end to the fanatical Covenant's 30 year war of extermination on Humanity - Operation: RED FLAG.

   Meanwhile, only the Omega 4 Relay stands between the SR2 Normandy and her Commander's main objectives: Assault the Collector Base, then prepare the galaxy for an even greater foe - the Reapers.

   Language:

   English

   Words:

   4,921

   Chapters:

   1/1

   Comments:

   3

   Kudos:

   9

   Bookmarks:

   6

   Hits:

   362