Belial is a character from the anime series 'Sin: Nanatsu no Taizai'. She is one of the Seven Mortal Sins and embodies the sin of Vanity. Known for her seductive and manipulative nature, Belial seeks to challenge and overthrow Lucifer, the leader of the Seven Mortal Sins. Her character is depicted with a commanding presence and a penchant for luxury and beauty. Throughout the series, she plays a key role in the power struggles among the sins, using her cunning and intelligence to further her own ambitions.