Flames is a harmless contrail that you can explore in Fortnite Battle Royale game.
You can jump in the mid-air and enjoy the effect that the new skydiving trail brings back.
It cannot burn your body.
How to get
The best way to obtain Flames is to reach Tier 84 of the paid Season 3 Battle Pass.
From the own Locker, you are able to opt for it.