Pure purple chakra flowed out and poured directly into the mark on Ni Huanzhi's arm, immediately stirring the faint glow upon it and releasing a burst of scorching heat.
"How... how is this possible..." Ni Huanzhi's eyes widened in disbelief at the scene before her!
Ignoring the girl's shock, Lin Chuan's Mangekyō Sharingan emerged in his eyes as he carefully watched the changes in the mark on her arm. Not a single subtle movement of chakra escaped his penetrating gaze.
After a while, Lin Chuan withdrew his right hand from Ni Huanzhi's arm and closed his eyes in concentration, etching everything he had just seen deep into his mind.
"You... what did you just do..." Ni Huanzhi looked at Lin Chuan, her body trembling slightly. She was even more terrified than when she had seen him suddenly vanish before.
"I merely activated your mark. It won't harm you," Lin Chuan said softly.
He then turned and left, sitting cross-legged nearby to ponder. At the same time, his right hand continuously swept through the air, tracing streams of purple inscription lines. The lines were not particularly complex, but every intersecting curve followed a specific principle, and together they formed an intricate pattern.
To be honest, cultivators in the cultivation world had no way to sense or use an energy like chakra. The Floating Spirit Hall's ability to use this natural chakra to such a degree had truly exceeded Lin Chuan's expectations.
However, this application only remained superficial. Though it was a level above the Song Family's use of natural chakra's toxicity, it was not much stronger.
They still used inscription patterns from the cultivation world's formations, merely forcefully infusing a little natural chakra into them. This made it impossible for outside cultivators to control such marks, producing a unique effect.
"They