Weapons/Arms Dealer

The Weapons/Arms Dealer (武器商人, Bukishōnin) was the person who supplied weapons/arms to the Fog Troupe. In the manga, this person and Markkio, or "Banker", turned out to be the same person, while in the anime, this person was revealed to be Ithnan.

Magic
As a member of Al-Thamen, this person is able to create and manipulate Black Rukh.
 * Borg: This is said to be the proof of a Magician. It is a defensive ability. It blocks out attacks with evil intentions. It also blocks out all physical attacks and magical attacks to some degree. It's strength, however, depends on the person.

Trivia

 * In the anime, Weapon/Arms Dealer and Ithnan, not Markkio, seem to be the same person.
 * He was the one who 'destroyed' Markkio in the anime, while in the manga Sinbad was the one who killed Markkio.