Edward then turns into a State Alchemist (国家錬金術師 Kokka Renkinjutsushi), a chemist utilized by the State Military of Amestris, which has demolished a large portion of the Ishbalan race in the previous decade. Edward's part permits him to utilize the noteworthy assets accessible to other State Alchemists. The siblings set off in hunt of the rationalist's stone as an intends to restore their figures. All around their adventure, they meet partners and foes incorporating the individuals who are frantic to get the thinker's stone. The siblings meet Scar—one of the few surviving Ishbalanswho looks for retaliation on the State Alchemists for the obliteration of his race, and the homunculi—an aggregation of human-like animals who convey bits of the logician's stone inside themselves and infer from it the capability to survive just about any mischief.
As the story advances, Edward and Alphonse reveal that the boundless extension of Amestris was the aftereffect of the homunculi, who made and covertly control the State Military. The homunculi and a lot of people high-standing military officers are instructed in mystery by the originator of the homunculi, a man reputed to be "Father." Father, who picked up everlasting life through a logician's stone, arrangements to utilize Amestris as a huge transmutation round to transmute the whole nation. The point when Edward and Alphonse find Father's arrangements, they and different parts of the State Military set out to annihilation him. The Northern "Briggs" Army attacks Amestris' capital Central City, and collides with the Central strengths.
As the strengths impact, the remaining homunculi are crushed and Central City's troops take in reality of the circumstances. Father tries to transmutate Amestris to increase god-like forces yet Hohenheim stops him. Father is vanquished by Edward with his unique arm, which Alphonse has carried by yielding himself. Edward returns Alphonse to his unique form, yielding his capacity to utilize speculative chemistry as a part of the procedure. The Elrics come back to Resembool, yet two years after the fact they divide to reimburse the individuals who helped them helped them during their journey.