Not long after the group entered the depths, immortal radiance appeared once more.

At first, it was faint enough to be unnoticeable. It looked just like little spirits playing around. Later on, more spirits appeared as if it was a party. Something seemed to be attracting the individual lights.

Cultivators eventually took note of this, not because of the visible light but rather, their weapons reacted.

The first to do so were the strongest weapons. For example - top masters bringing dao lord weapons...