The Arcane Jinx skin is an Epic Fortnite outfit. Arcane Jinx was available via the Item Shop for 1500 V-Bucks and you can buy it from Fortnite Item Shop when it will listed.
Fortnite Arcane Jinx Outfit Details
She's a totally innocent bystander... with a rocket launcher.
Fortnite Arcane Jinx Outfit PNG Images
Here is the PNG images of Arcane Jinx below!