Sulfur is one of the materials you’ll need in Palworld in order to make ammo.
They’re typically used to make gunpowder which is then used to craft ammo.
Here’s how you can find sulfur (location) in Palworld.
How to find sulfur
One of the best ways to get sulfur is to mine it from the sulfur deposit.
You’ll find these sulfur deposits typically in the hotter regions of the map. They’re yellow in color.
One of the areas is shown in the map below, marked by the player location.
It’s in a hotter region where you need the heat-type armor.