Edward and Alphonse Elric are two alchemist brothers searching for the legendary catalyst called the Philosopher's Stone, a powerful object which would allow them to recover their bodies (which were lost in an attempt to bring their mother back to life through alchemy).After their mother's death, Edward became determined to bring her back through the use of alchemy, an advanced science in which objects can be created from raw materials. They researched Human Transmutation, a forbidden art in which one attempts to create or modify a human being. However, this attempt failed, ultimately resulting in the loss of Edward's left leg, right arm, and Alphonse's entire body. In a desperate effort to save his brother, Edward sacrificed his right arm to affix Alphonse's soul to a suit of armor. Some days later, an alchemist named Roy Mustang visited the Elric brothers, and proposed that Edward become a member of the State Military of Amestris in exchange for more research materials to find a way to recover their bodies. After that, Edward's left leg and right arm were replaced with automail, a type of advanced prosthetic limb, built for him by his close family friends Winry Rockbell and her grandmother Pinako.
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