The Season 10 Title update for Sea of Thieves has 9 achievements.
Set sail on a ship enrolled in a Guild to which you belong.
Pledge a Captained Ship to a Guild.
Become a Guild Emissary for the first time for a Guild to which you belong.
Set sail representing a Guild you are a member of with Distinction 1 or higher.
Complete all 'Chef' Guild Commendations.
Complete all 'Cannoneer' Guild Commendations.
Complete all 'Navigator' Guild Commendations.
Complete all 'Helm' Guild Commendations.
Complete 'Distinguished' Guild Commendations.