Hiromu Arakawa's action fantasy series Fullmetal Alchemist: Brotherhood is brimming with important symbology and real-life references to religion, mythology, alchemy, and more, and all this research has certainly paid off. Fullmetal Alchemist: Brotherhood is a tale of adventure, the follies of mankind, ambition, conspiracy, and the innate goodness of humanity.
Source：https://www.cbr.com/fullmetal-alchemist-brotherhood-symbols-explained/
