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1. Deepest Fathoms by Ammeh

   Fandoms: Fire Emblem: Fuukasetsugetsu | Fire Emblem: Three Houses  

   • Explicit
   • No Archive Warnings Apply
   • F/M
   • Complete Work

   03 Nov 2025

   Tags

   • No Archive Warnings Apply
   • Dimitri Alexandre Blaiddyd/My Unit | Byleth
   • Dimitri Alexandre Blaiddyd
   • My Unit | Byleth
   • Rufus Blaiddyd
   • Alternate Universe
   • Goddess Byleth
   • Horror Elements
   • Happy Ending
   • Diving
   • Shipwrecks
   • Monsterfucking | Teratophilia
   • Unwanted betrothal
   • Questionable Decisions that End Well

   Summary

   “You could always marry the lake goddess,” Sylvain jokes.

   In which Dimitri is a prince out of options, Byleth is half a millennium into the repercussions of an impulsive oath, and Lake Teutates never gives up her dead.

   Language:

   English

   Words:

   8,612

   Chapters:

   1/1

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   1

   Comments:

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   Kudos:

   110

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