The Season Seven Title update for Sea of Thieves has 13 achievements.
Unlock a Legendary Ship Title by progressing your Ship Milestones.
Place 5 trinkets aboard a Captained ship at once.
Unlock a Legendary Title by progressing your Pirate Milestones.
Hand in 200 treasure items to the Sovereigns.
Spend 10 days at sea aboard a Captained ship, either as the Captain or one of the crew.
Set sail on a Captained ship as one of the crew.
Set sail as a Captain of Adventure for the first time.
Read another crew's Captain's Log.
Stock your ship with each type of supply using the Ship's Manifest.
Save a fully-decorated, Captained ship in the Ship Decoration Chest.
Complete 30 Captain's Voyages aboard a Captained ship.
Purchase a cherished trinket.
Own 15 ships.