C109 Unholy Heart Method(1)

Feng Lingxu and Jiang Wuxin continued to search in the underground palace's garden, and found such a perfectly preserved metal box. Not only that, but there was also a book on cultivation techniques from the Nether Palace, so everyone's mood rose up.

Right now, all they wanted to do was continue searching and see if they could find any other good stuff in this Nether Palace