嗯嗯嗯别不要了有人嗯嗯嗯

As for how they knew, Lu Feng guessed that it had something to do with the Fantastic Four. It was probably because they were discovered by people from Zipeng Village when they were robbing the tomb, and then spread the word to Liang Xuan through Brother Hao, and then combined with the Miao family People can make guesses like this....