Weaknesses: Despondency over the love of Christine Spar and Grendel.
Bio: After getting into a relationship with Christine Spar (Grendel II), he is left in San Francisco while Spar returns to New York - to eventually meet her end. Eventually finding the original Grendel's journal, and Spar's (in which she professed her deep love for Sung), he emerses himself into Grendel. To avenge his lover's death, Sung hunt's down the policeman partly responsible for Spar's death. Being quite overcome with the identity of Grendel, Sung is unsuccessful in his venture.