C1391 Instantaneous Killing
If he could get inside through the stairs, he would have to get through the back of the building. This was an abandoned factory, so it wouldn't be as sealed as a normal factory. There were no windows on the building!
Then, Lin Tian, Feng Lei and Lin Tian sneaked to the back without anyone noticing!
There was not a single guard behind the building, it was basically occupied by weeds