The Devil Does Not Need to Be Defeated - Chapter 9: “Another World, Here I Come”

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.

I am a what, and where is my little friend? No, give it back right now!

What, back in a lab again? What a load of bull.

Finally, I’m dying... No, I got revived again.

Becoming a weapon for a kingdom? Meh, they can try and control me.

Medieval weapons? I like that. Give me all of them.

An Angle cult? Let’s destroy that.

Pure Dragons? I want one for myself.

Just as the name suggests, this is a book about a nefarious villain who ends up getting a system...Yikes.Lumian, considered to be the worst of the worst. A man unfettered by human morals, indifferent to justice and disgustingly evil at the very core of his being.On his death bed he is offered salvation, not the good kind. A faceless man extends an offer to him, an offer with a strange condition attached to it.Lumian accepts and escapes the clutches of death, a second chance at life. You’re DEAD wrong if you think turning a new leaf is an option on the table.What happens when power is given to a man with a black heart? Find out as you read.WHAT TO EXPECT?–A smart and cunning main character, with equally interesting side characters–Yes, there are R-18 scenes(No Yuri, No incest, No NTR)–Well structured storyline and epic fight scenes. Somewhere between fast pace and slow burn.Thank you very much for reading and please do well to support in any way possible…Muah

Shaymon, the man who has achieved the apex of dark magic, is framed as being a Demon King and is killed.