Spire Strike is an Uncommon Fortnite Loading Screen. Spire Strike was available via the Battle Pass during Season 17 and could be unlocked at Tier Page 5 | 3 Battle Stars.
How-to Get the Spire Strike Loading Screen
Spire Strike is part of Season 17. If that season is still currently in the game, you can obtain this item by purchasing and/or leveling up your Battle Pass.