C538 The Furious Heaven Punishing Sword

"Mysterious Spirit Grass, what's the use of it?" Lu Feng asked curiously.

Of course, while they were talking, Lu Feng had already run towards the edge of the cliff. Even Mu Xiao said it was a treasure, so it definitely wouldn't be bad.

"The Mysterious Spirit Grass has the effect of strengthening one's foundation and strengthening one's spirit