C221 A Genius Came down the Mountain

Upon hearing Cheng Gang's words, Ye Loong was dumbfounded. What kind of logic was this? A rare metal could reduce dizziness? In this world, There was such a wonder in this world?

However, Ye Loong knew very well that there was no need for Cheng Gang to lie to him at this moment, because Ye Loong had never said that he wanted to go to such a place