Eiichiro Oda's epic shonen saga One Piece has involved several elements fans might expect from an action/adventure story like this one. One Piece has it all, from exciting, hard-hitting action sequences and the power of friendship to shocking betrayal, quiet moments of introspection, and certainly some painful sacrifices. No pirate crew, not even the Straw Hat Pirates, can survive in the Grand Line and the New World without making some sacrifices along the way.
Source：https://www.cbr.com/biggest-one-piece-sacrifices/
