An endless mottled divine grindstone slowly revolved in the domain similar to primal chaos, creating infinite pressure and terror.

Zhou Yuan stared at it in shock. The mottled divine grindstone was all too familiar to him. Over the years, even he had lost count of how many times it had pulverized his Spirit.

Hence, he could say with utmost certainty that this mottled divine grindstone was definitely a Primal Chaos Divine Grindstone!

As for whether it was the Primal Chaos Divine Grindstone of legend, that would likely require some discussion…

Only now did he finally understand why he had felt something resonate when he activated the Primal Chaos Divine Grindstone Visualisation Method. The core of the Four Spirits Origin Tower was a Primal Chaos Divine Grindstone.

The shock in Zhou Yuan’s eyes slowly receded as he suddenly realized that there were...