Obelisk the Tormentor is one of the three powerful Egyptian God Cards in the Yu-Gi-Oh! series. Known for its immense strength and overwhelming power, Obelisk is often depicted as a massive, blue-skinned giant. It plays a crucial role in the series as a symbol of strength and is used by Seto Kaiba in his duels. Obelisk's special ability allows it to destroy all monsters on the opponent's side of the field, making it a formidable force in any duel. Its role in the series highlights themes of power and domination.