Chapter 646: The Holy Son of the Ling Xiao Immortal Sect

...

Yun Changqing looked left and right. Although there was no one around, he was still full of vigilance. He carefully said,

"Ye Xiao, let me tell you. This matter is top secret. You must not tell anyone else."

Ye Xiao nodded, and at the same time, his heart trembled.

An immortal technique that could make Yun Changqing care so much must be an ordinary thing.

What exactly was it that made him care so much?

Therefore, he listened very carefully, afraid that he had misheard the words.

He saw Yun Changqing say with a solemn expression

"The Yin-yang immortal technique!"

"..."

For a moment, the air was somewhat quiet.

Ye Xiao seemed to be somewhat unable to believe his own ears, and he could not help but ask again.

"What did you say just now? The Yin-yang immortal technique?"

Yun Changqing looked as if he was facing a great enemy as he hurriedly waved his hand and said,