章 3699: Making trouble from within

Looking up, there was not a single cloud in the sky. It was as clean and dark as a sapphire. One could even see the boundless stars in the void.

"Very good, very good, you've finally touched the threshold of the heavenly Dao. You didn't disappoint me, hahahaha ..." The old voice once again entered his ears. It was so familiar.

"Master!" Ling Chuxi was stunned. Wasn't this voice the voice of old man Tian Yin? Back in the human dimension, it was he who had guided her to comprehend the strongest sword intent left behind by the ancient powerhouses, and finally comprehended the extreme path of martial arts.

Although the two of them did not have master in name, they were master and disciple in reality. In Ling Chuxi's heart, she had long regarded him as her master ... A second master. Mu Liufeng.

Ling Chuxi had never thought that old man Tian Yin would actually appear in the heaven domain.