C1825 Suspicion
In order to prevent Lie Da from secretly peeking, Han Feng had left a small portion of his soul power in Lie Da's spiritual sea before he left.
With the influence of this trace of soul power, even if Lie Da were to peek into the wooden house, he would be able to see another Han Feng in the wooden house.
There were indeed guards patrolling the City Lord's Mansion at night