Decarabia

Decarabia is a powerful Djinn who was sealed away by the Crimson Lord, Arthur, 300 years ago. He was later released by Alastor, who was seeking to use his power to defeat the Crimson Lord. Decarabia is a cruel and sadistic Djinn who enjoys causing pain and suffering to others. He is also extremely powerful, and is capable of defeating even the strongest of opponents. However, he is also arrogant and overconfident, and this often leads to his downfall. Decarabia is a major antagonist in the anime series Shakugan no Shana III, and he plays a key role in the story.