The Leviathan skin is a Legendary Fortnite outfit. You can purchased it from the Item Shop for 2000 V-Bucks when listed on the Fortnite Item Shop. Leviathan can be purchased with V-Bucks when it is listed on Item Shop.
Fortnite Leviathan Skin Details
Fortnite Leviathan Skin PNG Images
Here is the PNG images of Leviathan below!