As you can see, the Hitokage works much like a hot water heater. There’s a pilot light burning in the middle with a flammable fuel source cavity just below that can be drawn upon to shoot a jet stream of fire out of its mouth. If the tail flame starts to go dim, that means it’s time to clean out all the deposits and buildup because it’s probably starting to look like the inside of your oven.
“Charmander Anatomy” shows a Japanese chart labeling the different parts of the Pokemon, Charmander. I used to think that these were just little bundles of magic, but now I’m equipped with the magic of science.