Diane is a prominent character in the anime series 'Nanatsu no Taizai' (The Seven Deadly Sins). She is a member of the Seven Deadly Sins, a group of powerful knights, and holds the sin of Envy, symbolized by the Serpent. Diane is a Giant, known for her immense size, strength, and control over the earth. Despite her formidable appearance and abilities, she is gentle-hearted and deeply cares for her friends. Her character arc explores themes of acceptance and belonging, as she grapples with her feelings and the prejudices against her kind.