Adult Content Warning

This work could have adult content. If you continue, you have agreed that you are willing to see such content.

• Yes, Continue
• No, Go Back

If you accept cookies from our site and you choose "Yes, Continue", you will not be asked again during this session (that is, until you close your browser). If you log in you can store your preference and never be asked again.

1. The Pretender (Camelot SI in Fate) by 3Mountains

   Fandoms: Fate/Grand Order, Fate/stay night & Related Fandoms, Fate/Zero, Matter of Britain | Volgate & Post-Volgate Cycle, Arthurian Mythology & Related Fandoms, Arthurian Mythology  

   • Mature
   • Graphic Depictions Of Violence
   • Gen
   • Work in Progress

   16 Jan 2026

   Tags

   • Graphic Depictions Of Violence
   • Artoria Pendragon | Saber
   • Merlin | Caster
   • Merlin (Arthurian Myth)
   • Morgan le Fay (Fate)
   • Morgan le Fay (Arthurian Myth)
   • Original Characters
   • Original Male Character(s)
   • Self-Insert - Character
   • OC-Insert - Character
   • Vortigern (Fate)
   • Vortigern (Arthurian Myth)
   • Green Knight (Arthurian Myth)
   • Monsters
   • The Matter of Britain (Arthurian Myth)
   • Body Horror
   • Depression
   • Magic
   • Fae & Fairies
   • References to Ancient Celtic Religions & Lore
   • Mythology
   • Mythology References
   • Arthurian Mythology References
   • Arthurian Britain
   • TW: f-slur used in its historical definition
   • British English

   Summary

   Caeso had been a man, a nerd true, but he was also a paramedic. And when he was going to attend Fantasy Basel for a knightly exhibition, then he died.
   Then he lived again, in an old world, which seemed to be his Earth's past at first.

   Language:

   English

   Words:

   62,892

   Chapters:

   24/25

   Comments:

   11

   Kudos:

   41

   Bookmarks:

   15

   Hits:

   2,501