I will become the Demon Immortal known to the whole world - Chapter 387 - 71: The Flames of War Ignite, All Emperors Arrive

Ron finds himself reborn in the world of One Piece, stranded on a remote island in the East Blue. But he's not just any ordinary child—he’s bonded to a mysterious sign-in system that grants him powers with every new location he visits.At his first sign-in, he unlocks the legendary Sun Breathing Technique, along with a boost to his vitality. From Shitmotsuki Village to Skypiea, Enies Lobby to Marineford, Ron travels the world, collecting extraordinary rewards that make him a force to be reckoned with. The Raikiri, one of the 21 Great Grade Swords, Armament Haki, Observation Haki, and more fall into his hands.As Ron steps onto the battlefield of Marineford during the legendary Summit War, the mightiest warriors—Four Emperors and Marine Admirals alike—pause, stunned by his presence. But Ron merely waves them off, “Don’t mind me. I’m just passing through.”Join Ron on his journey across the Grand Line as he signs in at iconic locations, growing stronger with every step. This is not just an adventure—it’s a legend in the making.

With peerless medical skills in one hand and unmatched Kung Fu in the other, bearing the memory of the Medical Divine, I dominate the city as the god it kneels to. I am here, so I decide your fate between life and death! I am here, so I am the heaven that dictates your destiny!

I once sat and discussed with Newton, and I also walked side by side with Einstein.

I messed with Planck’s hairstyle, and I also wrote the preface to Zhang Zhongjing’s Treatise on Febrile and Miscellaneous Diseases.

All in all, this is a story about a schoolmaster traveling through time and space in ancient and modern China and abroad, using the wisdom of the predecessors to open up the future of mankind.

What? You say this is unscientific?

No, it’s very scientific!

Note:

This book is a black science and technology article, not the flow of the heavens, not the flow of the infinite, the protagonist will not have superpowers, everyone will know after reading it.

There is also an old book “Handbook of Conquering Another World” high-end 30,000 orders with an average order of 8,000+, welcome to read.

- Description from novelbuddy

Jin Rou, the youngest Celestial King, was being restricted to go outside by his father for some reasons. Thus, Jin Rou was fed up.

And so, he made his ‘Grand Plan’ of running away.