Diomis is a tall fair-skinned man with a downward-pointed nose. He wears sunglasses over his and appears to wear a roundish peaked hat with a small gold Marine symbol in the middle of his hat. He wears a white zipped up jacket with some pockets, a belt on his upper body, and strap around the chest with a word "MARINE" on it. He also wears white gloves, dark garish pants, and black shoes. As a Marine Officer, he wears a Marine jacket and he hangs it around his shoulders like a cape.
Abilities and Powers
As one of the Marine Officers he has authority over lower-ranking members.
- Further information: Rokushiki
Four Emperors Saga
One Piece: World Seeker
Diomis is stationed on the peak of Ogyoku Mine, guarding the huge gem towering the island. He is attended by two fellow soldiers. He fought Luffy, and later fought Law when the pirate tried to take the Omni-Cannon to the Floating Island.
- World Seeker, , Law DLC Chapter 6: Belief, Law fights Diomis.