Patch v6.21 dropped today and a bunch of new audio files were found within the game. As announced by Epic yesterday, a big live event will be taking place on Sunday, November 4 at 1pm ET/6pm UTC and it looks like the sound files have been leaked.
According to @FNBRLeaks on Twitter, here's a preview of what will be going down on Sunday:
New "Butterfly" Event Sounds [2/2] Happening most likely on Sunday pic.twitter.com/VEkOOrSrMY
— Fortnite: Battle Royale Leaks🎃 (@FNBRLeaks) November 1, 2018
We'll update this post if any further information is found regarding the event.
SOURCE: Twitter