TV-Series
Description
Frank Archer is a fictional character who appears exclusively in the 2003 anime adaptation of Fullmetal Alchemist, as he was created specifically for that version of the story and has no counterpart in the original manga. He is a military officer of the Amestris State Military, first holding the rank of Lieutenant Colonel before being promoted to Colonel. Physically, Archer is depicted as a tall, slender man with slicked-back black hair, sharp features, and pale skin. His appearance initially conveys an air of intelligence and gentlemanly composure, which conceals his true nature.

In terms of personality, Archer is a career soldier driven by a powerful and consuming ambition. While he generally maintains a cool, calm, and collected exterior, this masks a deep-seated elitism and arrogance. He is ruthlessly pragmatic, believing that the ends always justify the means, which allows him to commit terrible acts without moral hesitation. His primary motivation is to ascend the military ranks and secure personal glory. He dreams of becoming a celebrated hero on the battlefield, viewing war as the most effective avenue for promotion and recognition. This ambition fuels a potent jealousy and an inferiority complex towards Colonel Roy Mustang, who is already a celebrated war hero and is often seen as a rival standing in the way of Archer’s own advancement.

Archer's role in the story is that of a significant antagonist, serving as a persistent obstacle for both the Elric brothers and Roy Mustang's faction. Following the death of Lieutenant Colonel Maes Hughes, Archer is assigned to replace him as the head of the Court-Martial, a position that grants him considerable influence. Unlike the homunculi, who operate largely from the shadows, Archer’s villainy is rooted in the institutional corruption and militaristic overreach of the Amestrian state. He is willing to use anyone and anything for his own gain, demonstrated when he arranges for the reinstatement of disgraced state alchemists Shou Tucker and Solf J. Kimblee, ignoring their horrific past crimes because their skills are useful to him.

Key relationships define his actions throughout the series. His rivalry with Roy Mustang is central, as he constantly seeks to outdo the Flame Alchemist and undermine his authority. He also forms a pragmatic alliance with Major Alex Louis Armstrong, using him to further his own investigations and operations in the south. While on a mission with Armstrong, Archer becomes one of the first military figures to take a direct interest in the homunculi, capturing the being known as Wrath for interrogation. He is also one of the few officers who knows King Bradley is a homunculus, a fact he accepts without issue as long as it does not interfere with his own ambitions.

Archer undergoes a dramatic and grotesque transformation that serves as the peak of his character development. During a massive military operation in the city of Reole, he disregards warnings and leads seven thousand soldiers into a trap set by the serial killer Scar. Scar activates a city-wide transmutation circle that sacrifices all of Archer's men to create a Philosopher's Stone. Archer himself is caught in the blast and suffers catastrophic injuries, losing the left half of his body. Only through the application of advanced, military-grade automail is he saved. His body is reconstructed into a living weapon, turning him into a cyborg with firearms integrated into his limbs and even a machine gun hidden in his mouth. This transformation is rushed and lacking proper rehabilitation, causing any remaining pretense of sanity to shatter, leaving him as a mentally unstable engine of destruction and madness.

In this state, Archer's notable abilities are no longer related to alchemy, as he is not a state alchemist himself, but rather his combat prowess is entirely derived from his automail enhancements. His new body turns him into a one-man artillery unit, capable of unleashing devastating firepower. His final confrontation occurs in the series' endgame, where he faces a weakened Roy Mustang. Archer succeeds in shooting out one of Mustang's eyes, a significant and permanent injury, but is immediately shot and killed by Riza Hawkeye, who fires into the remaining organic part of his body.
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