Where did the mysterious master sequence 4 come from?

The mysterious master sequence 4 material is extended by the author in other sequences. According to relevant data, the protagonist of the Secret Lord is a road for fools, and the order of this road is as follows: order 9 soothsayers, order 8 clowns, order 7 magicians, order 6 faceless people, order 5 secret couple masters, order 4 cheaters, order 3 ancient scholars, order 2 miracle masters, order 1 mysterious waiters, order 0 fools and order fingertips, all of which are closely related and secret.