There were many novels with male protagonists who were cold and ruthless, such as " Battle Through the Heavens,"" Martial Universe,"" Douluo Continent," and so on. The male protagonists in these novels were usually very powerful, but their personalities were very cold and heartless. They were merciless to their enemies and sometimes even showed a cruel side. This kind of plot design usually made the readers feel a strong resonance with the loneliness and struggle of the male protagonist.