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• Merlin/Sherlock Crossover Idea by heroly3 for sherlockruiningmylife

  Fandoms: Merlin (TV), Sherlock (BBC TV 2010)  

  • Teen And Up Audiences
  • Creator Chose Not To Use Archive Warnings
  • F/M, M/M
  • Work in Progress

  06 Jun 2026

  Tags

  • Creator Chose Not To Use Archive Warnings
  • Merlin/Arthur Pendragon (Merlin)
  • Gwen/Lancelot (Merlin)
  • Sherlock Holmes/John Watson
  • Gwen & Merlin (Merlin)
  • Sherlock Holmes & Merlin (Merlin)
  • Mycroft Holmes & Merlin (Merlin)
  • Mycroft Holmes & Sherlock Holmes
  • Merlin (Merlin) & John Watson
  • Morgana & Arthur Pendragon (Merlin)
  • Merlin (Merlin)
  • Arthur Pendragon (Merlin)
  • Gwen (Merlin)
  • Lancelot (Merlin)
  • Gwaine (Merlin)
  • Percival (Merlin)
  • Elyan (Merlin)
  • Leon (Merlin)
  • Uther Pendragon (Merlin)
  • Sherlock Holmes
  • Mycroft Holmes
  • John Watson
  • Morgana (Merlin)
  • Jim Moriarty
  • Mrs. Hudson (Sherlock Holmes)
  • Sherlock Holmes' Father
  • Sherlock Holmes' Mother
  • Past Gwen/Arthur Pendragon (Merlin)
  • Sherlock Holmes & Merlin (Merlin) are Siblings
  • Future Fic
  • Merlin's Magic Revealed (Merlin)
  • Arthur Pendragon Knows About Merlin's Magic (Merlin)
  • Immortal Merlin (Merlin)
  • Merlin Needs a Hug (Merlin)
  • Protective Merlin (Merlin)
  • Everyone Loves Merlin (Merlin)
  • Protective Sherlock Holmes
  • Developing Sherlock Holmes/John Watson
  • Protective Mycroft Holmes
  • Caring Mycroft Holmes
  • Matchmaker Mrs Hudson (Sherlock Holmes)
  • Mrs. Hudson Knows Everything (Sherlock Holmes)
  • Modern Era
  • Other Additional Tags to Be Added

  Summary

  Merlin becomes Sherlock's adopted younger while waiting for Arthur to come back.

  Language:

  English

  Words:

  3,170

  Chapters:

  1/?

  Comments:

  2

  Kudos:

  3

  Hits:

  56