For the final legendary challenge in Week 12 of Fortnite Chapter 2 Season 7, you need to find three alien devices scattered throughout the map and use them to activate a countermeasure device in Corny ...

In the alien biome northwest of Corny Complex on the hill. To the east of the large alien biome on the center of the map, just by the dirt path and wooden bridge. South of Corny Complex – head across ...

GameSpot may get a commission from retail offers. In Fortnite Season 7, Week 12, one quest you have to complete has you collect three alien devices, then activate the countermeasure device underneath ...