C311 Tai Yinshan

The black stone lying in the storage ring was the most valuable thing to Yun Feixue because it was called the Profound Yin Stone.

In the past, Yun Feixue might not have felt this item was very precious, but right now, in his mind, he had a cultivation method of the Nine Yin Steps. This Profound Yin Stone was the best tool to aid in the cultivation of this technique