He and his brother Alphonse attempted to resurrect their mother, Trisha, through alchemy. For that, Ed lost his left leg, while Al's whole body was taken by 'The Truth'. Sacrificing his right arm, Edward bonded Alphonse's soul to a suit of armor.
After receiving prosthetic arm, Edward joined the State Military at the age of 12, in resolve to restore Al to normal. He has a Napoleon complex of sorts, becoming easily irritated when commented about his height.
