C1523 Breakthrough grandmaster of saint dan!

Time quickly passed, and it had been decades since Dongfang Kuo came to visit Ling Yun to teach him the way of pill refining.

Regarding Dongfang Kuo's suggestion, Ling Yun naturally would not reject it. It had to be known that Dongfang Kuo was a grandmaster of the holy pills, and was not far from the legendary supreme dan realm. Ling Yun was only a grandmaster of the holy pills