One Piece: Rising to Power by Plundering Traits

Ron transmigrates into the world of pirates and awakens a Trait Plundering System. By plundering traits, he can grow stronger without limit.

[Basic Swordsmanship (White) upgrades to Swordsmanship Sovereign (Gold)]

[Robust Physique (Green) upgrades to Indestructible Body (Gold)]

[Unwavering Will (Blue) upgrades to Immortal Soul (Gold)]

As time passes, Ron's strength grows greater and greater.

When he looks back, he has already become invincible!