Microsoft Corp. this week released the Cursed Sails DLC Trailer for Sea of Thieves for the Xbox One.

The trailer previews the update which will include skeleton ships to battle.

Cursed Sails is the second free update for Sea of Thieves. It will be released July 31.

Sea of Thieves is shared-world adventure title in which users to sail together on voyages, combat rival ships, and hunt for riches.