Celestial Qi
"You are suspecting me for using Taboo Techniques?" Despite his words that carried an unpleasant tone, Su Yang still remained nonchalant, his gaze calmly staring at Elder Sun in the eyes.
"I will apologize if I am wrong, but I still have to make sure, since taboo Cultivators are of serious matters," said Elder Sun, his voice clear and strict, befitting of the head of the Disciplinary Squad that upholds the rules of the Sect.
Besides heavenly treasures, the only other logical explanation to Su Yang's extraordinary growth would be Taboo Techniques that are known to boost its users' strength exponentially at the cost of their ethics and sanity.
"I just have to touch this piece of paper, right?" Su Yang casually picked up the yellow talisman, and within a few seconds later, it began glowing a faint yellow light.
Seeing the yellow glow, Elder Sun's expression changed slightly.
After a moment of silence, he stood up from his seat and clasped his hands together. "I apologize for—"