Includes: Ebon Flintlock Pistol Obsidian Flag Onyx Tankard The Ebon Flintlock Pack is an item pack of cosmetic items from the Black Dog Set. Sea of Thieves is an action-adventure game about pirates that gives players a unique opportunity to explore vast seas either solo or in groups. While there’s no goal in the game and you’re free to tailor your own journey, you’re encouraged to participate in various activities that reward you with gold that can be later spent on a variety of goods.