The recovery of the spiritual essence followed a pattern: the density in the cities was lower than that in small towns, which in turn was lower than that in the mountains. According to Gu Yu's rough analysis, it should have something to do with the natural environment and the population density.
The fewer people around, the more natural the atmosphere and the denser the spiritual essence.
During his recent trips, he had been keeping an eye on the changes in the spiritual essence in various areas. From May the year before last when he ate the red fruit up until this November, he was almost certain that the entire country was now covered by the spiritual essence.
The direct impact of such a coverage was the mutation of living creatures, which, if expanded to an entire particular area, would become an abnormality.