The middle-aged man suffered a backlash from the yin Qi and immediately let out a muffled groan. His pale face turned green and he hurriedly took a few steps back.
He didn't know what method song qingxiao had used to hide herself, but she had managed to escape his divine sense. She must have used some kind of secret technique.
After knowing that song qingxiao's strength had reached the late spirit concentration stage, the middle-aged man did not dare to be careless. He rubbed his palms together, and a few folded talismans appeared in his palms. A pained expression flashed across his face as he quickly chanted an incantation,
"Tiangang energy, taixiao's power! Engulfing the heavens and earth, trapping the netherworld!"
