Upcoming cosmetics found in Patch v5.41 files

With the release of Fortnite Patch v5.41 this morning, a number of upcoming/leaked cosmetics have been found in the game files. Though there aren't as many as usual, the following items should be released in the coming days/weeks:

Valkyrie - Legendary outfit
Nite Nite - Epic outfit
Peekaboo - Epic outfit
Frostwing - Legendary glider
Battle Balloon - Epic back bling
Valkyrie Wings - Legendary back bling
Balloon Llama - Epic back bling