If the temperature was too high, it would instantly burn Nalan Jie's already frail body to ashes; if it was too low, it would be unable to effectively remove the stubborn Brand Poison.
"Go!"
Liu Bai gave a soft shout. The Green Lotus Core Flame, wrapped in Soul Power, lightly touched the Xinshu acupoint on Nalan Jie's back at the tip of his finger.
"Sizzle..."
As the flame entered his body, the unconscious Nalan Jie suddenly shuddered. A suppressed, agonized roar escaped his throat, his withered face twisted instantly, and beads of sweat the size of beans rolled down his skin.
Liu Bai remained unmoved, his mind completely immersed within Nalan Jie's body.
Within the view of his Soul Power perception, that thread of green-blue flame was like a bright lamp, illuminating the terrible condition inside Nalan Jie.
His bones were blackened, his meridians had been corroded by poison until their color was dull and dark, and strands of black qi clung to the surfaces of his internal organs.
He controlled the flame like the most precise surgeon, slowly approaching a hand bone where the Brand Poison was most concentrated.
The flame's temperature was adjusted to the threshold where it could burn the Brand Poison without barely harming the bone itself.
"Aah—!"
The intense pain caused Nalan Jie to snap his eyes open. His once-clouded old eyes were now bloodshot and filled with unbearable agony.
He instinctively tried to struggle, but an invisible force from Liu Bai held him firmly in place.
"I am removing the poison from you. Endure it, and the Brand Poison can be expelled. Fail to endure it, and all previous efforts will be wasted. You will die as well."
Liu Bai's icy voice sounded beside his ear, utterly devoid of emotion.
Nalan Jie laboriously turned