Alchemy the mystic science of transmutation gifted alchemists can break down and reconstruct matter using the law of equivalent exchange creating miraculous things but one taboo can never be broken human transmutation the elric brothers edward and alphonse broke the taboo in an attempt to resurrect their late mother and as a result lost everything als soul was transferred to a suit of living armor and ed lost two limbs confining him to mechanical auto mail to recover what theyve