Outside the courtyard.
"Patriarch Xie, come in!" The voice rang directly in Xie Zhengtian's ear from nowhere.
His entire body jolted.
Voice transmission!
His heart grew even heavier.
As the Xie Family's patriarch, Xie Zhengtian naturally knew of voice transmission.
This was usually a technique only those in the fifth-rank Inner-Strengthening Realm could master.
One had to command inner breath and turn spiritual force from intangible into tangible, reaching the level where it could leave the body, before one could employ such a minor technique as voice transmission.
That was precisely why voice transmission was generally something only fifth-rank Inner-Strengthening Realm experts could wield.
He is not someone I can afford to offend!
Xie Zhengtian sighed inwardly.
Only then did he step into the courtyard where Jiang Ning was staying.
The moment he entered, he saw Jiang Ning slowly rise from a meditation cushion, dressed in loose white training clothes.
"Sitting in meditation and cultivating... Could Jiang Ning have been practicing an inner-strengthening method just now?" At that thought, Xie Zhengtian could not help looking up at the blazing sun overhead.
He immediately recalled the meditation and breathing technique he had once seen Shen Congyun use.
Then he instantly connected it to the relationship between Shen Congyun and Jiang Ning.
No wonder!
Xie Zhengtian suddenly gained a measure of understanding. He felt that he now knew where Jiang Ning's inner-strengthening method had come from.
If that is truly the case, then it is terrifying beyond measure!!!
He understood Jiang Ning's terror even more clearly.
An inner-strengthening method normally required the slow grinding of water through stone.
Thus, the older one was, the deeper and more majestic one's inner breath tended to be.
He had never heard of any expert who had reached an exceedingly profound level in inner-strengthening methods within