The safe house Li Ke'er chose actually has three floors; two above ground and one underground.
The first floor is a bar, the second floor a casino, and the basement is filled with tiny rooms. They looked like a shabby rented rooms, but in reality, this is the place where substances are sold and consumed.
Standing in the bar on the first floor, Li Ke'er was somewhat excited, her eyes gleaming, she said to Song Jian, "Little Cheap Brother, I'm starting."
"Go ahead, remember to only upgrade the safe house by one level. If it's upgraded too high, the levels of the monsters and the number of Bosses will also increase!" Song Jian warned;
This was advice from experience. If he had known this before, Song Jian would absolutely not have upgraded the safe house level so high. Rather, he would prefer to gradually enhance it after gaining more power in the future;