However, turning it into a true secret room isn't meaningless—it not only can deceive the eyes and ears but also serve to create confusion at times. At the very least, it has the function of isolating from prying eyes.
As a secret disciple of the Ancestral Hall Elders, isn't it normal to have a practice chamber at home? If it's already known that he's in the chamber meditating, forcibly breaking in would not be secretive—it would be blatant action.
He Kao specially modified this secret room. Originally, it only had one concealed door; later, he opened another door by piercing through the wall. In other words, he could enter from this room and exit from that room. It seems like a trivial trick with little significance.
But due to the special material, the situation inside cannot be detected from the outside with divine sense. To know if he is inside and what he's doing, one must physically find and open the concealed door.
