Pirate: After Becoming Invincible, I'm Out of the Mountain Again!

Introduction: Cas is a young swordsman of a generation, but he was defeated by the opponent's divine sword when he challenged Roger. Since then, he has been in seclusion in Tianmen Mountain and practiced enlightenment for more than ten years. …… Garp: "He was already as strong as a general back then, but now? None of the three generals can be his enemy with one sword!" Ace: "Hey! Senior Cass, thank you for your advice. I will definitely take your sword next time we meet!" Whitebeard: "His strength is already above Roger's. Even I can't see through him now!" Hawkeye: "What a hearty battle!" Kaido: "Hey, hey, hey! Cass, you are too domineering now!" Luffy: "Kaku-senpai is so handsome, I want to learn from him!" Zoro: "Is this the ultimate strength of the sword? It's really exciting!" …… A year later, as the war changed dramatically, Cass led Garp, Hawkeye, Shanks, and Granny Begonia to beat up the Celestial Dragons, step on the Five Old Stars, and finally force Im out. An unprecedented ultimate battle was about to begin!