Primary school level at most. A truly professional feng shui master will look at feng shui before buying a house and will not talk about some floating clouds.
If you are in a fog, take out all the five elements of the Book of Changes, and then take out all kinds of great gods to bluff. Who has seen them?
I believe in Feng Shui, whether God of Wealth or Door God, but I never believe in Feng Shui, no matter how famous the other person is.
Aristotle is famous, isn't he? A thousand years later, didn't that also make Galileo's two iron balls fall to the ground at the same time?