Gunpowder is used to create explosions when set ablaze. By collecting it in bags and setting the bags on fire at the appropriate time, it is possible to create make-shift bombs however when Naofumi attempts to use them against an enemy the power of the bombs are degraded. They simply burn the bag to ash due to either his lack of attack stat or the shield's restriction on using weapons besides itself. It is responsible for unlocking the Plant Fire Shield.