One of the many commendations you can complete as you paint the sky with Fireworks and Flares is the Skies of Friendship commendation.
To complete this commendation, you must set off fireworks while in an Alliance. To do this, you will first need to get your hands on some Fireworks.
Skies of Friendship Commendation
To complete this commendation, you will first need some Fireworks. You’ll need at least one for this commendation.
You can either purchase Fireworks from the Merchant Alliance at any Outpost or find them in Resource Barrels scattered throughout the Sea of Thieves.
Once you have your Fireworks, set sail and look for another pirate ship! Of course, you’ll want to form an Alliance with them, so hopefully, you come across a friendly crew.
Once you form an Alliance, load up a cannon on your ship with a Firework and shoot it off. As soon as you do, you will complete the commendation. The other crew doesn’t need to shoot off a Firework of their own for you to get the commendation.