I Break Out of Impel Down, Defy Akainu, and Save Fire Fist at Marineford

After transmigrating into One Piece, Barrett, successor to the “Demon,” fought the Navy and the Four Emperors, and crushed the Supernovas of the Worst Generation.

He punched the “strongest man in Impel Down” to his knees.

He turned down an invitation from a “future Emperor.”

The “future Fifth Emperor” was still just a kid.

Red-Nosed Buggy: Nothing is more terrifying than that man. Don't get involved with him, no matter what…

Straw Hat Luffy: “My bounty is 1.5 billion, and I'm the Fifth Emperor of the Sea. He knocked away my Gear Fourth without even using Haki.”

Former Pirate King vice-captain Rayleigh: “His strength is on par with mine!”

Navy hero Garp: “He inherited Roger's formidable strength...”

This novel and its characters are entirely fictional. Any resemblance to real people or events is purely coincidental. Do not imitate.