droopyauthor:How much time Kai was expected to get a Breathing Art - 20-25 years (as Aphrodite said) how much he actually needed - less than a month How much time Kai himself thought he would need to reach Constant Breathing art - 1000 years at the least How much he actually needed - 0 years How much time you think he would need to make up for the minor loss - 100 years How much time he would actually need - as long as I want him to be If you want spoilers, then say I need spoiler. But I won't give them.