One Piece: Whitebeard's Black Tech Arsenal

When scientist Ron transmigrates into the One Piece world, he witnesses Blackbeard's betrayal firsthand—the murder of Thatch and the theft of the Dark-Dark Fruit. Facing imminent danger, Ron awakens a revolutionary technology system with one game-changing ability: granting Devil Fruit users additional powers! His first move? Extracting Marco's legendary Phoenix abilities and fusing them with Whitebeard's Tremor-Tremor Fruit. Now the world's strongest man wields double Devil Fruit powers, and Ron's just getting started on rewriting the rules of this pirate world.