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1. Fate/Treachery by HeliosTheDepresed

   Fandoms: Fate/stay night (Visual Novel), Fate/Apocrypha, Fate/Zero, Fate/Grand Order, Fate/stay night & Related Fandoms  

   • Mature
   • Graphic Depictions Of Violence
   • F/M
   • Work in Progress

   24 Sep 2026

   Tags

   • Graphic Depictions Of Violence
   • Emiya Shirou/Tohsaka Rin
   • Emiya Shirou/Mordred | Saber of Red
   • Emiya Shirou & Heroic Spirit EMIYA | Archer
   • Emiya Shirou/Matou Sakura
   • Emiya Shirou/Medusa | Rider
   • Cú Chulainn | Lancer & Emiya Shirou
   • Kuzuki Souichirou/Medea | Caster
   • Fujimura Taiga
   • Emiya Shirou
   • Tohsaka Rin
   • Matou Sakura
   • Kotomine Kirei
   • Emiya Kiritsugu
   • Medusa | Rider
   • Cú Chulainn | Lancer
   • Ryuudou Issei
   • Fluff
   • Domestic Fluff
   • Slice of Life
   • Light Angst
   • comments feed me
   • Hurt/Comfort

   Summary

   Ten years ago, Shirou should have died in the Fuyuki fire.

   Years later, when the Fifth Holy Grail War begins and Shirou is cornered by Lancer, he performs the summoning that should call forth the King of Knights. But the Servant who answers is not Artoria Pendragon.

   It is Mordred Pendragon, the Knight of Treachery.

   Language:

   English

   Words:

   60,355

   Chapters:

   12/?

   Comments:

   100

   Kudos:

   122

   Bookmarks:

   48

   Hits:

   4,741