C1072 Inverse Formations

Magnetic Spirit Stones, whether it was in Ye Lin, Black Tortoise, or other empires, were all extremely precious existences.

After all, it was not easy to cultivate a magnetic spirit stone. Not only could this thing help one's cultivation, it was also a method used by some forces to create barriers to block the spiritual force's prying eyes. In this way, the price would be doubled again and again