From birth, one's soul could only be harmed and weakened. It is very hard to create any obvious improvements.
The soul's strength drastically limited and influenced the future development of a cultivator.
Once it is damaged and not properly treated, although one's outer flesh would seem no different. But on more serious notes, one future cultivation will forever stagnate and never increase!
For a cultivator, a decline in one's cultivation is a hundred times more critical than a bottleneck!
In addition to this, effects of such injuries will only fully display when a cultivator passed the sixth layer, with the disparity of the soul's power becoming obvious.
Even cultivators of the same level, the difference in soul power would become more prominent in battle.
It was due to her soul explosion, did Huang Yue Li assumed her soul would dissipate and scatter.
