Flint

Flint is a material primarily obtained from gravel.

Mining
Flint can sometimes be obtained by mining gravel with most shovels. Flint can sometimes drop from mining quicksand with a stone shovel.

Brewing
Flint is one of the items that can be used to brew potions. Notable potions that are known to be able to be brewed with flint include the pure Resistance potion, pure Poison potion and the heavy potion.