章 393: Chapter 392: The Regrets of the Crystal Great Demon Emperor

"Go!" Just at that moment, a voice suddenly appeared within the Sea of Spirit of Tang San.

The abrupt emergence of the voice caused a severe jolt to Tang San's psyche, and he subconsciously shouted in a deep voice, "Stop!"

Cheng Zicheng immediately gathered her wings and beat them in the opposite direction, using the change in airflow to control the ice boat to a halt.

With the cessation of the singing, the suction force from the ground had also vanished by this time.

"What happened?" Du Bai asked.

Tang San did not answer; his gaze was somewhat grave at this moment.

Where did that voice just now come from?

It should be noted that he was not merely a being of Ninth Stage Spiritual Power; inside the core of his spiritual power, he was also nurturing divine consciousness. Yet, even so, he had no forewarning of the voice's sudden intrusion, which was truly terrifying.

How did this voice emerge exactly?