It's not even a gun for starters but a shotgun instead. This loli sure thinks BIG. 😀😀😀
Teacher: invoke water.
Loli: let's get some petroleum!
Teacher: invoke fire.
Loli: how about napalm or a nuke?
Teacher: invoke wind.
Loli: ....okay, I don't have a proper weapon for it so just some refreshing wind will do.
Teacher: invoke earth.
Loli: ohohohoho! Earth has metals, metals make guns! Hehehehehe! GAME ON!!