Analyze trends? Improve accuracy? Learn Qimen Dun, don't ask anyone who comes

Qimen Dunjia, used in ancient times for marching and warfare, is now used for prediction and analysis. It can be said to be a profound skill that has gone through thousands of years. It can analyze and predict people's fortune, wealth, health, and also determine what will happen in the future. Interested friends support me and I will gradually share practical applications, with a maximum accuracy of 90%