After hearing the legend, the first thing that Old Master Mu did was to send someone to investigate.
The result was, even after investigating for over half a year, they found absolutely nothing.
Then, his father told him, "Don't bother investigating. If you could find something, I would have found it back then."
"Dad, what exactly is this Hidden Immortal Sect? Why can't I find anything about it? If we can't even find them, how will I ask for their help when I need it?" the young Old Master Mu asked curiously.
