C4692 Rapid Strengthening of Spiritual Sense

Now, he could only absorb a tenth of the energy within the Blue Lake. If this continued, even if he burned his soul, he would not be able to seal the energy within the Blue Lake.

Ning Caichen knew that the seal wouldn't work and could only take the risk. If it wouldn't work, then it would be troublesome.

The undead and the soul had similar aspects, but they were completely different