The old man named Kosei was currently displaying the aura of the demonic path from head to toe, yet the secret arts he used resembled those of ghost cultivators.
Even Qin Fengming would have been greatly astonished upon seeing such a scene.
The secret art of refining a cultivator's soul to increase one's own cultivation and strength was also described in the Profound Ghost Art, the ghost-path technique Qin Fengming cultivated.
But he had never cared for it, and thus had never cultivated this divine ability.
A cultivator's soul essence was an energy of tremendous might and strange effects.
The ghost-path techniques specifically used to refine soul essence merely converted the power of a powerful soul essence into pure yin energy. Unlike Qin Fengming's Treasure Refining Ghost Art, which directly refined soul power to strengthen his own spiritual soul, the two were utterly incomparable.
Yet Kosei was clearly a demonic cultivator and merely a Qi Gathering stage cultivator, but he could use such a powerful method for refining another's soul essence. That was far too extraordinary.
"Humph, so it really was you causing trouble. When Immortal Master Lan first suspected you, I still didn't believe it. A mere person at the Immortal Master stage whose Pill Sea had been destroyed by me could actually recover his cultivation? Such a thing is truly unheard-of. But now it seems that not only have you recovered your strength, you seem to have even reached the peak of the Immortal Master state. Truly, I never expected this. What other treasures do you have to offer this time, so that I might spare your life once more?"
In the empty cavern, Kosei sat cross-legged alone, both hands forming hand seals. A mass of emerald luminescence flickered around his body, while before him, a gray-white soul