C78 The Yun Family's Development Plan

Yun Hai curiously looked at the black pill and asked:

"Yun Haoyan, is there a name for this pill?"

"Thunderbolt Pill," Yun Haoyan replied.

This was the pill formula that came with the Thunderbolt Technique, and it also had a name.

"Is it easy to refine this kind of pill? Do you know how to refine it?"

Yun Hai asked again.

If Elder Miao had to refine this kind of pill