C447 Tenth Thunder Pulse

"Indeed, it is as I thought. It is an ancient formation. I never would have thought that there would be such a formation in this lower realm."

Underground, Su Jue meditated as he looked at the runes engraved lights.

He had seen many ancient formations in the Heaven Realm. These formations were extremely powerful, and the runes engraved on them were far more complex than the runes from today