Talking about the Event in the Fiend Prison

Xi Yiyun was coughing out blood continuously, his eyes full of frightened expression, wondering who this person was, and why this person could unsettle his Dao Heart simply by uttering a few words.

The skin on that person's face was very smooth, looking quite young, but the bulging veins could be spotted under his skin, looking like a vine extending upwards and eventually sticking out at the forehead, forming a horn the length of a finger…It was impossible for him to be was a regular Center Sect disciple.

Seeing the horn, Xi Yiyun and the others in the Tranquil Garden thought of one possibility, but they soon figured it was impossible.