Ouken

Ouken is an immortal being who has lived for centuries. He is a tall, muscular man with black hair and a full beard. He wears heavy armor and carries a large sword. Ouken is a ruthless warrior who has killed many people in his lifetime. He is also a skilled strategist and tactician. Ouken is the main antagonist of the anime series "Ranking of Kings". He is the king of the underworld and is determined to conquer the human world. Ouken is a formidable opponent, but he is not invincible. He can be defeated if he is faced with a strong enough opponent.