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Ref: https://www.legiaodosherois.com.br/2021/fullmetal-alchemist-referencias-alquimia-real.html
After a horrific alchemy experiment goes wrong in the Elric household, brothers Edward and Alphonse are left in a catastrophic new reality. The boys attempted to bring their recently deceased mother back to life. They suffered brutal personal loss: Alphonse's body disintegrated while Edward lost a leg and then sacrificed an arm to keep Alphonse's soul in the physical realm by binding it to a hulking suit of armor.
The brothers are rescued by their neighbor Pinako Rockbell and her granddaughter Winry. Known as a bio-mechanical engineering prodigy, Winry creates prosthetic limbs for Edward by utilizing "automail," a tough, versatile metal used in robots and combat armor. After years of training, the Elric brothers set off on a quest to restore their bodies by locating the Philosopher's Stone: a powerful gem that allows an alchemist to defy the traditional laws of Equivalent Exchange.
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