C337 Mysterious sky calming pellet

This Mysterious Heaven Calming Pellet was a pellet that had already become extinct in Ye Dongfeng's previous life!

Other than the fact that the difficulty of refining a Mysterious Heaven Calming Pellet was too high, another reason was that of the thirty-six Immortal Spiritual Herb that made the Mysterious Heaven Calming Pellet, twenty of them had already become extinct