Lu family mansion, Miaoyun small building.

"Is this the legendary Bu Tian Dan?"

Lu Miaoyun looked at the pill in front of her with curiosity.

Qu Zhenzhen had seen Bu Tian Dan in her early years and knew that her son Lu Quanzhen and daughter Lu Caizhen had taken this pill.

"Well, this is Bu Tian Dan. After taking it, it can make low-grade spiritual roots promoted to middle-grade, and middle-grade spiritual roots are expected to be promoted to high-grade spiritual roots."

Lu Changsheng said with emotion.

It is not easy to collect this furnace of Bu Tian Dan.

Even …