C619 News of the Alchemy Competition

Guan Zhong was already used to Ye Feng's ability to take things from a distance. It could even be said that he was used to it. What surprised him now was this white stone.

It was actually emitting a cold air.

"This is a Yin Spirit Stone, it has a bone-piercing cold aura." Ye Feng explained.

"This stone book does not have any records, what can it be used for?"

Guan Zhong did not understand