Training dojo

So this is a dojo for swordsmanship every couple hundred years a chosen one is picked and these sword skills can be used to fight the demon generals and all the giant demon army’s the demons attack lots of times each Tim getting stronger there are loads of you at the dojo and you are a chosen one but you don’t know you are 15 and all the others are around 14 to 15 also once you mastered sword skills you will have to visit a sacred place put your hand On a crystal of the crystal shines green it means they are a chosen one if it shines yellow it means they are a god characters are Jake:dojo master John:student Micheal:student Mia:student Bobby:student Leo:student Austin:student Jackson:helper Dexter:cleaner Max:cleaner Stigh:cleaner Alexander:engineer Lisa:servant Sao:servant