One Piece: Door-Door Fruit, One Slash to Cut Through Dimensions!

After transmigrating into the world of One Piece, Xiu Er is born with a powerful soul. The instant he eats the Door-Door Fruit, he crushes the fruit's demon and forcibly unlocks a rules-level awakening!

While others use the Door-Door Fruit to flee or launch sneak attacks, Xiu Er perfectly fuses a heavy sword with spatial closure. One swing, and a battleship thousands of miles away is ripped apart in midair!

When pirates take five hundred people hostage, thirteen-year-old Rob Lucci coldly slaughters the weak and proclaims, "The weak are guilty"?

Xiu Er opens a spatial door and transfers every hostage off the ship in fourteen seconds. Then he swings his sword and cuts the pirate ship, crew and all, in half!

Watching the CP agents stare in shock, Xiu Er whips around and smacks Lucci with the scabbard of his heavy sword, sending him flying into a cliff face.

"You can't save people because you're useless, so you blame the victims?"

"Listen up. In my territory, saving people comes first and killing pirates comes second. As for your CP's damn rules, they rank below the soles of my boots!"

That day, Akainu paid his cafeteria bill, Garp laughed and snatched his senbei, and Sengoku slammed the table and shielded him from the Holy Land's accusations.

Years later, Xiu Er devours the essence of the Shadow-Shadow Fruit and merges shadow with door, standing atop Marineford.

"From today on, the justice of the seas is mine to decide!"