Park is a violent, callous, pessimistic, and almost apathetic person who doesn't want anything other than to succeed in his revenge against the person who have took away his loved ones. He has shown determination that pushes him to his utter limits, the same determination that was motivated by his thirst and twisted desire to eliminate the other Heroes. He used to be a kind and caring boy, now all that drives him to continue living is his despair, sorrow and rage, hellbent on revenge.