Kaido of the Beasts, one of the Four Emperors (Yonko) who rule the New World, is one of the most fearsome and feared characters in One Piece. As captain of the Beast Pirates and tyrannical ruler of Wano Country, Kaido dreams of unleashing a war that will change the world forever. He strives to create a society where only the strongest survive, which reflects his brutal philosophy.
Kaido's strength and resilience are legendary. He has survived countless execution attempts, including beheadings and hangings, and remains unscathed after falling from extreme heights. His near-invincible physical strength is complemented by the Uo Uo no Mi, Model: Seiryu, a mythical Zoan Devil Fruit that allows him to transform into a gigantic blue dragon. In this form, Kaido can unleash devastating breath attacks and take on entire armies.
Despite his apparent invulnerability, Kaido struggles with inner turmoil. His desire for an “ending grand enough for a warrior” reveals the tragic core of his character: a mighty warrior searching not only for dominance, but also for meaning. Kaido embodies themes of power, chaos, and the tragedy of unfulfilled ambition.