C677 Xia Xianyu's Discovery

Tang Ao didn't know how far Xia Qianyu's thoughts were. If he did, Tang Ao would have explained to him that this map wasn't something that came out of the Emperor of the Underworld's Secret Realm ten thousand years ago, but something that Liu Lingxuan had given him not too long ago. At this moment, Tang Ao was still comparing the locations of the maps according to what he had seen recently