Ohm

Skybreeder Ohm (スカイブリーダー・オーム, Sukaiburīdā Ōmu) the fourth priest, punishes criminals with the Ordeal of Iron, where the victims are cut into pieces by barbed wires when they step onto hidden panels.

Personality
Ohm is a calm and serious character whose goal in life he explains is to free people. However, by this he means killing them and freeing them from various burdens related to life.

Abilities
He attacks with a sword with the blade made of iron cloud, a brand of Skypeian cloud said to be as strong a steel, but as light and flexible as the clouds that made up the whole of Skypeia. In addition, it has a Milky Dial equipped at the pommel that allows him to turn the sword's blade into any shape including a wall or a whip. He carefully placed Dials all over his ordeal that activated as they were stood on formed barb wires. His ordeal has a 0% chance of survival.

History
He is defeated by Roronoa Zoro who, despite Ohm using Mantra to predict his attack, waits for him to attack to give away his position. He then cuts through Ohm's shape-shifting sword using the 108 Pound Cannon attack to defeat him.

Trivia

 * He's a playable character in One Piece Grand Adventure.
 * "Aum" (ॐ), also spelled "Om," is the holiest syllable in Hinduism, and begins most mantras.