The Oblivion skin is an Legendary Fortnite outfit. Oblivion was available via the Item Shop for 2000 V-Bucks and you can buy it from Fortnite Item Shop when it will listed.
Fortnite Oblivion Skin Details
Unending vengeance.
Fortnite Oblivion Skin PNG Images
Here is the PNG images of Oblivion below!