Skeleton Archduke (Fake)

The one who has that title is a ship captain of the flagship of a fleet of small warships.

Lanky nobleman-looking pirate, wearing a skeleton mask. (16-28)

Pirate union. (16-28)

Satou thought he's the real thing since he has Skeleton Archduke title.

Skull coiled by sea snakes--It's the Skeleton Archduke's ship.(16-29)

Jet black pirate ship where the fake Skeleton Archduke is.(16-30)

Skills

 * Deception
 * Negotiation
 * Persuasion
 * Threat
 * Coercion