Halo Infinite multiplayer is out now, and the campaign is just around the corner, set to hit Xbox platforms including Game Pass and PC on December 8. To celebrate the launch, Sea of Thieves players can once again log into the pirate sandbox and claim the free Spartan set, but time is running short. Here's how and when to grab the Halo set in Sea of Thieves before it disappears, as well as a preview of the new Halo sails coming very soon.

How to get Halo Spartan set in Sea of Thieves

The Spartan Ship Set first brought Master Chief and other things emblematic of Xbox's flagship franchise to Sea of Thieves in 2019. The complete set includes sails, a flag, and a full range of on-deck accessories like a captain's wheel, cannons, and a capstan. This elusive set is still free in-game, but you only have until December 1 at midnight PT / 3 AM ET to claim it.

To unlock this returning Halo set, simply log into Sea of Thieves before that time, and you'll find the cosmetics will have been automatically added to your ship customization items, which you can access at any Shipwright kiosk on the game's various Outposts. Keep in mind that while these cosmetics often appear immediately, sometimes there's a short delay in their dispersal. So long as you head into the (very sandy) sandbox before that time, you should receive the full slate of cosmetics on offer--if you didn't get them when they were first available for a limited time two summers ago.