After continuous entry into the stele world and viewing the situation he seemed to have gained a lot.
[My strength indeed has increased slowly but to avoid some unexpected situations it's better to take my mind state further. In the end, it is beneficial for me when trying to enter higher realms. It also could help when my realm increases faster, otherwise, my mind might end up floating leading trouble to for myself.]
The more Wang thought of his current situation the more convinced he became about the issue of his state of mind.
From another perspective, when the state of mind reached a level of heart over the world, one would not be affected by inner demons at all.
This in itself is a huge benefit for any practitioner but he needed to reach such a state before he could think about it.
From the experience of watching that fight, he could see that state of mind becomes terrifying in the later stages.
