The tunnel exit was located behind a false wall in the room. Going up the steps led to another steel tunnel door. However, the door had mechanisms on it and could only be opened by following the correct sequence.
Since it was not used often, it did not have a password setup and instead used a mechanical locking system. Kajin had installed several mechanisms on the door.
Chen Mo swept it with his Spiritual Sense and immediately saw the internal mechanical structure clearly. Since he was carrying two fellows, he told Bai Xiaotian how to open the door and had him unlock the hidden passage.
Kajin had originally hoped Chen Mo would be unable to open the door. If the opening sequence was wrong, it would trigger an alarm. Not only would the people guarding the exit discover it, but a sound would also go off in the Study Room back in the Villa Area.
That way, the other subordinates could follow the sound and trace their way over here.
But after thinking about it, he became somewhat dejected. Even if the subordinates came after them, what could they do? They could not win in a fight, and he had already been captured. So what if they were trapped at the tunnel exit?
Naturally, Chen Mo had no idea what the fellow he was carrying was thinking. Once Bai Xiaotian opened the tunnel door, he tossed the two fellows into the room at the exit, then used something to prop the tunnel door open so it could not close.
There was a door closer inside the tunnel door. Once opened, it would automatically close unless someone held it open. Once it closed, people outside the tunnel would not be able to enter. This was a single-exit tunnel; once someone left