Other people had to use various methods to let the genetic ability chain absorb and refine the energy after they absorbed enough energy.
On the other hand, Xu Tui had directly achieved directional strengthening through the illusory introspection and the Mind Concentration Technique. No, it should be said that the effect was even better than directional strengthening.
The denser the energy, the better it was for Xu Tui.
Xu Tui also wanted to make the best use of his time to cultivate and improve. Previously, the ability of the School of Radiation Influence had unknowingly allowed Xu Tui to complete this special mission by affecting the emotions of the elite students and making them take the initiative to retreat.