Ling Yao is Ling Yao from the series "Fullmetal Alchemist: Brotherhood." He is the twelfth crown prince of the eastern nation of Xing and the liege of the Yao clan. Seeking a way to ensure his path to the throne amidst deadly inter-house competition, he has ventured from Xing to Amestris in order to find the secret of immortality - the Philosopher's Stone. On the surface, Ling Yao comes off as a rather silly and lighthearted person, frequently engaging in comical behavior and retaining a grin even while making threats. He displays a childlike amusement for new situations whether or not they prove adverse (or even potentially fatal), has a penchant for wandering off on his own only to collapse in the middle of a street, and is infamous in the Elric brothers' minds for having a voracious appetite despite never carrying enough cash to feed himself. Even with his flaws, he is extremely personable and his particularly ……