Fullmetal Alchemist: Role Exchange AU
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The Fall of Xerxes | Role Exchange AU by Brandon_Reed
Fandoms: Fullmetal Alchemist: Brotherhood & Manga, Fullmetal Alchemist - All Media Types
25 Jun 2026
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Summary
"To create life from nothing, to discover the secret of immortality or… bringing back those claimed by death? Feats not even Alchemy can accomplish.
However, that does not prevent humans from wondering, nor from trying.
After all, Alchemy had done so much that was considered impossible, but it was only as powerful as the alchemists who understood that knowledge. What if there truly were no impossibilities but just gaps in knowledge to be uncovered?
What if it truly were possible to be like gods?
How does one unlock all of the mysteries that Alchemy has to offer. How can this source of all knowledge be found?
Could the secret to Godhood be acquired?"Brought into the world by man's hubris to unlock the forbidden secrets of Alchemy, the Dwarf in the Flask instead grows attached to the slave boy who gave it his blood, vowing to help the boy earn his freedom by giving him a name and an education.
Slave 23, Van Hohenheim, would use the Homunculus' lessons for a different purpose. He'd be a slave no longer, even if that means one day conquering God.
A rewrite of the 'Xerxes Chapters' from Fullmetal Alchemist: Role Exchange
Series
- Part 1 of Fullmetal Alchemist: Role Exchange AU
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Fullmetal Alchemist: Role Exchange by Brandon_Reed
Fandoms: Fullmetal Alchemist: Brotherhood & Manga, Fullmetal Alchemist - All Media Types
04 Mar 2026
Tags
Summary
An alternate universe, where Hohenheim intentionally made himself immortal and created the homunculi, while Father was the victim that finds a family.
Soon, his sons are on a quest to get their original bodies back, but discover a far more sinister plot on the way.
Imagine an alternate universe, where every character is changed. I, myself, had a challenge to do so. Yet, I believe I have a suitable cast swapping:
Envy plays Ed, Ed plays Greed, Greed plays Ling, Ling plays Gluttony, Gluttony plays Jean Havoc and Vato Falman, Falman plays Yoki, Yoki plays Maes Hughes, Hughes plays Kimblee, Kimblee plays Roy Mustang, Mustang plays Lust, Lust plays Riza Hawkeye, Hawkeye plays Wrath, Wrath plays Izumi Curtis, Izumi plays Olivier, Olivier plays Pride, Pride plays Alphonse, Alphonse plays Envy.
I will choose not to spoil the rest, but I think that takes care of the vital cast.Series
- Part 2 of Fullmetal Alchemist: Role Exchange AU