Chapter 938: Chapter 938 - 811: Obtaining the Key of Rules (2)

The further he moved forward, the stronger the residual energy from the shockwave became, and the higher the temperature within the rock layers.

Within the range of Duke's Spiritual Power perception, signals of Rule remnants grew increasingly dense.

Those subtle, fleeting Rule-level energies floated like fireflies in the darkness, each piece dimming, shrinking, and dissipating at a speed visible to the naked eye.