One Piece: Shiro Oni

[Physical Stat]

Rank F - Kids

Rank E - Adult

Rank D - Seaman Recruit

Rank C - Seaman Apprentice

Rank B - Seaman First Class

Rank B+ - Petty Officer

Rank A- - Chief Petty Officer

Rank A - Master Chief Petty Officer

Rank A+ - Warrant Officer

Rank S- - Ensign

Rank S - Ensign

Rank S+ - Ensign

Rank SS- - Lieutenant Junior Grade

Rank SS - Lieutenant

Rank SS+ - Lieutenant Commander

Rank SSS- - Commander

Rank SSS - Commander

Rank SSS+ - Commander

Rank SR - Marine Captain

Rank SR+ - Marine Captain

Rank SSR - Marine Captain

Rank SSR+ - Marine Captain

Rank UR - Commodore

Rank UR+ - Commodore

Rank LR - Commodore

Rank LR+ - Rear Admiral

Rank MR - Rear Admiral

Rank MR+ - Rear Admiral

Rank X - Vice Admiral

Rank XX - Vice Admiral

Rank XXX - Vice Admiral

Rank EX - Admiral

Rank DX - Admiral

Rank CX - Fleet Admiral/Yonko

Rank BX - Yonko

Rank AX - Pirate King

Rank SX - Legend

[intelligent Stat]

Rank F - Kids

Rank E - Teenager

Rank D - Below Average

Rank C - Average

Rank B - Above Average

Rank A - Gifted

Rank A+ - Highly Intelligent

Rank S - Genius

Rank S+ - Genius

Rank SS - Genius

[Potential]

The stages of potential: Initial → Awakened → Ascended → Mastery

G - Adults, Weak four sea pirates

F - Four sea pirates, Ensign

E - Lieutenant, Grand line pirates

D - Captain, New world pirates

C - Commodore, Supernova

B - Rear admiral

A - Vice-admiral ( Smoothie, Cracker, Doflamingo, Jinbei, Perespero, Jack, Katakuri, Queen, King, Weevil )

S - Admiral ( Bullet, Aokiji, Kizaru, Blackbeard, Old Rayleigh, Fujitora, Ryokugyu, Mihawk, Oden, Marco )

SS - Yonko ( Prime Sengoku, Akainu, Old Whitebeard, Shanks, Big Mom, Kaido, Dragon, Old Garp )

SSS - Beyond Yonko ( Prime Whitebeard, Prime Garp, Prime Roger, Rocks D Xebec )

All ranks are further divided into three parts like

A-

A

A+