Demon Lord's Reincarnation - Chapter 19 - I choose you

A normal guy gets hit by a truck and isekai'd. Why? Because trucks are apparently some cosmic loophole. He decides to be a dungeon, because it sounds weird and interesting to be one. Is it? Let's find out.

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.

They called the Vorrakyns Dragon Riders, but their legacy has crumbled into dust. For centuries, no true Dragon has answered their call.Vacuse Vorrakyn was born into a dying legacy: once-mighty, now feared and cast to the Empire’s edge.A runt. A bastard. Yet he served his family with fierce loyalty, only to be betrayed by the father he once swore to obey. Vacuse died a pawn... a sacrifice to the forbidden magic to call a true Dragon.Discarded like worthless trash.Now, he’s back.Reborn at six, memories of betrayal burning sharp and anger raging in his veins. This time, he’s here to claim what was stolen and everything they denied him.Armed with forbidden knowledge of the Dragon Pathway and the secrets to bond with a legendary beast, Vacuse is determined to rebuild the family legacy—on his own terms.

I started off as nothing, just a mass of consciousness that slowly evolved. Just your average overpowered existence hungry for a multiverse adventure.