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1. The Colours of the World by MaiKusakabe

   Fandoms: Fullmetal Alchemist: Brotherhood & Manga, Harry Potter - J. K. Rowling  

   • Mature
   • No Archive Warnings Apply
   • Gen
   • Work in Progress

   03 Jan 2026

   Tags

   • No Archive Warnings Apply
   • Roy Mustang
   • Albus Dumbledore
   • Hermione Granger
   • Harry Potter
   • Ron Weasley
   • Sirius Black
   • Nymphadora Tonks
   • Order of the Phoenix
   • Hogwarts Staff
   • Alastor “Mad-Eye” Moody
   • Minerva McGonagall
   • Severus Snape
   • Other Character Tags to Be Added
   • Post-Fullmetal Alchemist: Brotherhood
   • Magic and Alchemy
   • Second War with Voldemort
   • Professor Roy Mustang
   • Canon-Typical Violence
   • Alternate Universe - Canon Divergence

   Summary

   When Roy Mustang went to retrieve his eyesight from Truth, he wasn’t expecting to end up doing a job in exchange. It couldn’t even be an easy job, of course, because Edward’s assessment of Truth was a pretty accurate one.

   Language:

   English

   Words:

   125,617

   Chapters:

   25/?

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   63

   Comments:

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