Has Oda overlooked one of One Piece's most important power systems?

Anime has always had a fun and unique relationship with supernatural abilities, and almost every series introduces some kind of power system to explain how characters achieve the impossible. From ...

The power system allows characters to adapt their personal fighting styles while relying on the basics of jutsu. Among the many kinds of jutsu, ninjutsu and taijutsu are by far the most common, while ...