fullmetal alchemist series - Why do the eyes of a bounded soul

If I didn't miss one, all souls that were bound to armors have glowing eyes. Why do their eyes glow? It must somehow be connected to the bounded soul, as they stop glowing if the heads lose connec

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The 12 Days of Anime Day 11: Why Fullmetal Alchemist: Brotherhood

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d gray man and fullmetal alchemist: brotherhood crossover - God's

In Fullmetal Alchemist, who is the white being they see when they

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Fullmetal Alchemist Brotherhood S2E34: “Eye of Heaven, Gateway of

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