Cao Zhen climbed the stairs, and after such a long time, he had figured it out on his own.
The reason they could circle back around was certainly due to a formation, and the special thing about this formation was that sometimes when they thought they were descending, they were actually ascending, and vice versa.
Moreover, it also prevented them from feeling whether they were ascending or descending, which is why they had walked for so long without finding a way out, constantly circling here.
As for the method Li Ke had thought of, he actually hadn't thought of it before; his intelligence had really been crushed. Fortunately, Li Ke's method didn't work, and he also had a method of his own.
When Li Ke heard Cao Zhen asking Ling Xi for help, she was momentarily stunned and asked with curiosity, "Why ask Ling Xi for help?"
