"Mm!" Zhan Ge nodded his head subconsciously, but his expression was immediately filled with shock. "What did you say? Venerable Mu followed your master away?" Looking at the subtle change in the mood of the war song, Xiao Yao did not raise his eyebrows, but he did not speak. He just nodded and handed the letter that Du Chen gave him to several people directly. After all, there was no evidence for words. After reading it for a while, the four people's faces became serious. None of them would ignore this. On the white paper and black words, it referred to Venerable Mu as old demon Mu's head. This meant that Xiao Yao's teacher at least possessed the same strength as Venerable Mu. In other words... When the four of them looked at each other, a dense shock flashed through their eyes. This w

