Demon King Invades and Penetrates the Pirate World

As the Demon Lord of the Nine Heavens and Thirteen Realms, Qi Ke came to the world of pirates and faced off against Akainu at the beginning... Although he had lost all his ten thousand years of cultivation, he quickly became the world's top powerhouse with his unparalleled fighting instincts and physical strength, as well as the two Devil Fruits he accidentally consumed. Form a super team to defeat the Four Emperors and find the onepiece! He wants to penetrate this world and see what the "evil" hidden in the deepest part of this world is?