He acts confident and composed even at times of crisis in front of poeple, giving the impression that he's the perfect. When left alone, Sigma starts freaking out and he admits he has no confidence in his skills. Because he has no memories, no family, and no friends, Sigma's greatest wish is a reason to live. He appears to be kind. He also appears to have a strong sense of ownership. He is a member of the Decay of the Angels, a terrorist organization. General manager of the Sky Casino.