Taken by surprise, Mr. Iwaki ponders for a moment, "As far as I know, the requirement to become a teacher is to be at least in the second stage or higher. This is because you can't do most things without having at least a basic grasp on one's own cultivation. For us, some food requires a certain amount of strength, willpower, and confidence to make. I'm not saying that you all lack confidence and willpower, but some food ingredients especially seek out these things."