Ninjago season 9

So , how you know Kai , jay , zane and cole stuck in the first kingdom when dragons and oni was fighting ,so Kai is master of fire , jay master of lightning, cole master of earth , Zane master of ice , So kai , jay and zane was captured by metal Baron, so that are sitting in the cage and this is when a dragon got captured and children screaming happily , So you are one of the children but you are sad , so chose everything else , bye Wolfies!