If you find yourself in dark caves, open the Lantern to release FireFly, and your path will become clear. Don't forget that the Lantern is useless without FireFlies inside it!
—In-game description

The FireFly Lantern is an essential item in "Star Fox Adventures".


It is used to store FireFlies, which light dark places for Fox. The Lantern can be bought in ThornTail Store for 20 Scarabs and is required to help the sick Queen EarthWalker by bringing her the six White Grubtub Fungi from the Ancient Well in ThornTail Hollow. FireFly Lantern's maximum capacity is 31 FireFlies.

The Crazy ThornTail in the Ancient Well won't allow Fox to enter the deeper, darker part of the Well without having the Lantern. Once Fox does have the Lantern, the ThornTail will acknowledge his sensibility and move off to fall asleep again.

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