Because they were in a secret chamber deep underground, and with the Seven Kill Domain suppressing everything, nothing could be sensed from outside.
Moreover, Yang Potian's soul rings were self-generated, and his Soul Power was his own. There was no conflict and no need for refinement, so there naturally would not be any intense Soul Power fluctuations. Even if others wanted to sense something, they would find nothing.
After his breakthrough, Yang Potian was indeed as Tian Hao had guessed. His body had been tempered by the transformed Soul Power, his lifespan had increased greatly, and his peak youthful state had been completely stabilized.
"To raise the level of self-generated soul rings, I really need to strengthen the source power. Not just its quantity, but more importantly, its quality!"
Tian Hao gained a deeper understanding of how self-generated soul rings advanced. In the end, the difference lay in source power. That was the foundation of everything.
The greatest difference between soul rings of different ages was not actually their soul skills, but their source power. That was also one major reason why soul rings displayed different colors according to their age—the difference in the quality of their source power.
Although a self-generated Hundred-Thousand-Year Soul Beast soul ring did not possess two soul skills like the soul ring of a Hundred-Thousand-Year Soul Beast, it was still extremely powerful. It was a qualitative transformation.
"How many Soul Douluo and Soul Sage does the clan have now?"
Tian Hao withdrew his gaze from Yang Potian's scarlet soul ring, a bold idea forming in his mind.
"There is one more at level eighty-nine—my second uncle. His body has aged to its limit, and he has only been holding on through medicine these past few years, but I think he can still make one last