The Firebrand skin is an Legendary Fortnite outfit. Firebrand was available via the Item Shop for 1800 V-Bucks and you can buy it from Fortnite Item Shop when it will listed.
Fortnite Firebrand Outfit Details
Danger on the event horizon.
Fortnite Firebrand Outfit PNG Images
Here is the PNG images of Firebrand below!