In One Piece: Sign-In for the Sword Intent of Supreme Authority from the Start

Sun Xiu transmigrates to the world of One Piece for no apparent reason and awakens the God-Slaying sign-in System. His sign-in from the start grants him the Sword Intent of Kingship.

But this Sword Intent burns through his life force.

Luckily, a later sign-in grants him the Bat-Bat Fruit's vampire form, allowing him to remain young forever.

Sign in at Loguetown and receive the Three Types of Haki.

Sign in at Windmill Village and receive the Eternal Mangekyo Sharingan.

Sign in at Sabaody Archipelago, sign in at Sky Island, sign in on Impel Down's Sixth Level...

Whitebeard: "Sun Xiu beat me the first time we fought, and now he can kill me in an instant! He's the World's Strongest Man!"

Roger: "Without Sun Xiu's support, I wouldn't dare dream of becoming the Pirate King!"

Sun Xiu: "The Pirate King? I'm not interested. If I'm going to rule, I'll rule the whole world! I am the law of this world!"

This novel and its characters are entirely fictional. Any similarities are purely coincidental. Do not imitate.