This time evils attacked on spirit's palace.
So commander said the guards to protect the king by protectiring power. This time kanu was very angry that he used the mixture of water, thunder, tornado, fire, Ice power on evils and this killed many evils and his commander mandu.when king heard about Mandu's death he escaped from the battlefield.
But due to this kanu become very weak and now he had to take rest for minimum 1year.This is why any commander not use this power.