Nitro Eater

The natural enemy of gunners. These creatures have a taste for gunpowder, and gather at battlefields where embers flow through the air. They are very voracious and will attack weapon caches to consume any and all ammunition used for firearms and cannons, so forces struck by nitro eaters lose their ability to fight, and is left with only the option to retreat. The appearance of nitro eaters have stopped warfare before, so they are quite popular in certain regions.