"Master, hurry and circulate the Nether King Body Tempering Art while my Natal Ghost Qi has not yet dissipated. Absorb the Netherworld Essence and temper your body," Xiao You urged. "As for the Natal Ghost Qi I've expended, I can recover it slowly. This is a rare opportunity. I hope you won't waste all the care and Natal Ghost Qi I've poured into this, or all that suffering of mine will have been for nothing."
With such a huge burden laid on him, Lei Dong could only sigh helplessly. Following the Nether King Body Tempering Art imprinted in his mind, he began to circulate it. Xiao You assisted him from the side, patiently explaining every passage he didn't understand.
The mass of Netherworld Essence floating at the vortex's center was mysterious and unfathomable. With the Natal Ghost Qi remaining inside Lei Dong, he could just barely manage to operate the Nether King Body Tempering Art.
This art used Netherworld Essence to completely shatter and reassemble every part of the body. A Ghost Soul practicing it would not suffer too much pain; after all, their Ghost Soul bodies could not feel such agony. But Lei Dong was human. Just imagine the pain of practicing the domineering Nether King Body Tempering Art without any anesthesia.
His body was tightly enveloped by the mass of Netherworld Essence. Every cell was repeatedly crushed by the body-tempering art, then restored and grown anew under the nourishment of the Netherworld Essence, becoming stronger and more perfect than before.
"Argh! Argh!" Even someone as strong-willed and tough as Lei Dong could only roar and howl in agony like a wild beast. Yet once the Nether King Body Tempering Art began circulating, he could not stop. Otherwise, not only would all its effects be lost, but Lei Dong