C320 Chapter 320

But what Feng Mingmo said next was what really put Tang Yao in a bind. Feng Mingmo explained that the Nine Palaces Seal wasn’t just the trade stamp of the Seven-star Realm—it was also the key to all thirteen mines in the realm.

The Nine Palaces Seal was made from a special material. Only mines opened with it could be worked without those man-eating Rock Monsters showing up