The Slingshot is the first tool that can be obtained in Phoenotopia and Phoenotopia Awakening. It is given to Gale by Felix in the Duri Forest, at the entrance to the Temple Ruins. It launches small stones and is primarily used to hit switches that Gale couldn't reach on her own, but it can also be used as a weapon. The Slingshot is pretty weak as a weapon and stuns most enemies, but a few enemies like Slimes and Bats can be killed instantly by it.
The Slingshot is also the weapon needed to defeat the Monster Toad. Gale uses it to knock Duri Fruits out of the trees so they hit the Monster Toad and stun him long enough to attack his weak spot.