The foreknowledge prompt tempted Su Nan.
The Life Wheel Scripture's enhancement was of great help to him. If he could advance it further, he would not be as passive as he is now when facing the Heavenly Race's moves.
"No matter which possibility, as long as there is a chance, I always have to try."
With that thought, Su Nan quickly made up his mind.
He decided that once he resolved the crisis posed by the Heavenly Race and the issues at the Demon Clan Ancestral Land, he would find a way to challenge the master of the Ancient Wilderness Sect.
At present, the issues with the Heavenly Race and the Demon Clan Ancestral Land were still awaiting him, so he did not have the luxury of wasting foreknowledge opportunities here.
He continued to look into foreknowledge.
...
[Three days later, after some twists and turns, you finally arrive at the entrance of the Heavenly Demon Inheritance's Stone Hall. The moment you enter the hall, you fall into a deep sleep.]