The Black Prince is a ship armor in Skull and Bones.
Unlike most items in Skull and Bones, the Black Prince armor doesn’t have a blueprint. Instead, you can buy the Black Prince armor from the manager of Palka Buta and Le Pont Muet in Telok Penjarah and Saint-Anne dens, respectively.
The armor costs 450 Sovereigns on the Black Market (don’t mistake them for pieces of eight), and that’s a lot of Sovereigns. If you don’t have enough, it’s time to double down on Manufactories and climb the Helm’s leaderboards. You roughly need to earn 10,000 pieces of eight throughout the season to claim enough leaderboard rewards for the Black Prince armor.