Episode 51: The Immortal Legion (2009 series), Fullmetal Alchemist Wiki

Ed’s crew faces a horde of ravenous mannequins, abominations powered by human souls. The twisted creatures aren’t the only unstoppable force on the battlefield – Pride, Sloth, and Envy are on the move. Beneath Central Command, the Mannequin Soldiers are released by the unnamed General. Ignoring the fact from a nearby scientist that their tests aren't completed, the General believes that them being completely immortal and obedient only to them is perfected enough. He prepares to order them to att

Mannequin Soldiers, Villains Wiki

Episode 1: Fullmetal Alchemist (2009 series)

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IMMORTAL ARMY! Fullmetal Alchemist Brotherhood Episode 50 + 51

Episode 12: One Is All, All Is One (2009 series)

Hagane no Renkinjutsushi (2009) - Anime - AniDB

General Anime Talk/Reviews

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Episode 51: The Immortal Legion (2009 series)

Episode 51, Fullmetal Alchemist Wiki

Fullmetal Alchemist: Brotherhood

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Fullmetal Alchemist: Brotherhood (Episode 51) - The Immortal