One Piece: The Mechanical War God

Xiao Yi transmigrates to the world of Pirate King with a virtual laboratory called "War God."

With technology, physical combat, and Haki, the all-around protagonist rises from island lord to the World's Strongest.

"Akainu, you're not worthy of making me fight yet. How about I send a robot to take you on?"

"Not even the Five Elders would dare set foot on my little island."

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