Chương 420: Difficult Problem

Lu Zhou stroked his beard as he looked at Si Wuya who had just fallen to his knees and said, "If you can answer me, I'll regard you as my teacher."

"…" Si Wuya trembled inwardly. He felt a chill ran up his spine. If his master was anything like his old self, he would have rained down punches and kicks upon him. His master would not have bothered to ask him questions. He could wrap his mind around his master's change in attitude.

The others who were watching were also shocked by Lu Zhou's words. Lu Zhou must be confident to say these words to Si Wuya.

Si Wuya did not dare to say anything. He did not even dare to look up.