Seafaring: Playing Madara, Summoning Roger with Impure World Reincarnation at Marineford

He transmigrated into the world of the Grand Line and became Kaido's adopted son, Yamato's older brother, and the man known as "Disaster" Dagu. He also awakened a God-Tier Roleplay System, allowing him to play Uchiha Madara.

Fujitora summons a meteor? Watch me use Tengai Shinsei!

Ryokugyu has the Woods-Woods Fruit? Wood Release: Nativity of a World of Trees!

Sengoku's Buddha form is huge? Wood Release: True Several Thousand Hands: Topple the Buddha!

Mihawk can split a mountain with one slash? Perfect Susanoo, one strike to shatter the land!

The Summit War.

Sengoku: "Surrender. You're short on top-tier fighters and have no chance of winning!"

Dagu: "No chance? Come forth, remnants of the old era! Reanimation Jutsu!"

The Battle of Onigashima.

Sun God Luffy is strong?

Enter Six Paths Mode and destroy heaven and earth!

First conquer the pirates, then destroy the Navy, and finally unite the world.

"Imu is invincible? How many Truth-Seeking Orbs can he take?"

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