C385 He Escaped Danger but Swam in Shallow Waters

"Xiaolin, what's going on? Why is there such a secret in my study? Why doesn't even I know where this secret passage leads to? " The moment he sat down, the Emperor looked at Sun Xiaolin and asked.

"Replying to the Emperor, since the early stages of the establishment of the Royal Guards, we have started to dig this secret passage. A while ago