Amon

Amon (アモン, Amon lit. The Hidden), real name unknown, is a blind but powerful Dark Mage who is a highly skilled assassin specializing stealth, he doesn't belong to any guild but rather takes on illegal assassination jobs sent to him. He is renowed as Blind Ghost (ゴーストブラインド, Buraindo Gousuto) due to him remainning unseen by anyone during an assassination.