The Spark Pocket (or sparkle pocket) is a small piece of steel that the dragons keeps in their mouth. This tiny piece is nessesary for dragons that breathes fire. without it, the fire breathing will have no effect. If the dragon rub their teeths against the sparkle pocket, a spark will appear and set fire to a venom that the dragon keeps it its teeths. When the dragon opens its mouth, the venom will come out as fire.