C611
Actually, Yun Chen didn't utter a sound all along, but it didn't mean that he was scared. It was because he didn't want to care about them and didn't want to use his own strength to crush them!
After all, he was willing to come with them because he was thinking of good things. As for what Yun Chen didn't know, he could feel it as long as he got close to him with his spiritual will.
Therefore