Sigma, being a prince, strives to stay strong even in crisis situations. Sigma may seem cold-blooded and indifferent, but this does not mean that he does not experience emotions at all. He knows how to control his feelings and does not allow them to influence his decisions. This is one of his strengths, which helps him to be tactful and reasonable. he has gray eyes and long lilac-white hair that reaches to his back. lives in a large estate with servants.