"What?"
"The rules actually have something to do with spiritual energy?"
Elder Sword Senior was astonished. A moment later, a look of sudden understanding spread across his face.
Of course!
It was spiritual energy!
They had tried nearly everything they could think of, but they had never tested their abilities.
It wasn't because they had been careless.
The main reason was that spiritual energy was simply too common.
It was as common as breathing. Anyone could easily take it for granted.
That was why, after Bi Fan had struggled for so long and Elder Sword Senior and Xuan Chen had spent ages pondering the matter, they still hadn't figured out what governed the drastic changes in the formation space.
Before, the rules had eluded them, and the frustration had felt like a thorn lodged in his heart, catching in his throat and making him miserable.
Now they had finally found the rules. Although they were connected to spiritual energy, Elder Sword Senior was no longer flustered. In fact, a knowing smile played across his face.
Elder Sword Senior wasn't the only one.
Xuan Chen also chuckled and shook his head.
With his spiritual energy gone, Bi Fan could only use Soul Power to protect himself.
Gripping the Giant God Sword with both hands, Bi Fan retreated in search of a chance to counterattack. At the same time, he asked Elder Sword Senior and Xuan Chen curiously, "Elder Sword Senior, Xuan Chen, what are you two laughing about?"
"All the spiritual energy in my body has completely disappeared. I'm practically missing one of my means of survival. Is that really something worth celebrating?"
Bi Fan would have been better off not asking.
As soon as he did, Elder Sword Senior exchanged a look with Xuan Chen and laughed even louder.
After