Full ~repack~metal - Alchemist Brotherhood

The story follows brothers Edward and Alphonse Elric. In a desperate attempt to resurrect their dead mother, they perform the ultimate taboo of alchemy: Human Transmutation. The attempt fails catastrophically. Ed loses his left leg; Al loses his entire body. In a final act of sacrifice, Ed gives up his right arm to seal Al’s soul into a massive suit of armor.

The world is governed by "Equivalent Exchange"—to obtain something, something of equal value must be lost. The Journey: fullmetal alchemist brotherhood