Yōu Lao immediately understood the seriousness of the situation that Lu Yin was describing. "If what you’re saying is true, then there might actually be something wrong with the Undying Manual."

"What do you mean?" Lu Yin's eyes lit up.

Yōu Lao’s voice dropped low, "Our ancestor lived much too long ago. The truth is that we know nothing about our ancestor aside from the fact that they possessed the Yōu Secret Art. Without that secret technique, even we would not believe that Progenitor Yōu Ming ever existed. Everything that we’ve learned about our ancestor has come from the Yōu Secret Art, such as the fact that she was known as Ever-Changing Yōu Ming."

Lu Yin nodded. Yōu Keyan had previously mentioned the title of Ever-Changing Yōu Ming.

"Our ancestor’s cultivation art was known as the Impious Sutra, and it encompasses everything. No one knows what its various chapters contain, and it’s possible that the Undying Manual is one of the Impious Sutra’s chapters," Yōu Lao explained.

Lu Yin suddenly had a headache. If this was true, then Undying Yushan was going to be incredibly difficult to deal with.

Progenitor Yōu Ming had been one of the Ancient Progenitors, and the Starsibyl Sect had told Lu Yin that she had most likely lived during the same era as the God of Death.

"Senior, would you believe that your ancestor might still be alive?" Lu Yin asked suddenly.

Yōu Lao looked up at Lu Yin. "Because of the Undying Manual?"

Lu Yin nodded. "If the Undying Manual really is...