The Thundernet Nine Mountains had one of the few large fourth-tier spirit mines within the Jade Cauldron Domain. The region had a unique environment, suffering from constant lightning bombardments year-round. Over time, the mountains produced ores unlike any found elsewhere, as well as many other priceless resources.0

Among these resources, Soft Thunder Sand stood out as a crucial third-tier material used in crafting enchanted treasures, but it wasn't the only treasure; other well-known third-tier minerals like Black Lead and Flowing Silver-Tin could also be found. There were also abundant low-tier auxiliary materials like Quicksand Fine Gold, Thunderstruck Wood, and Red Lightning Iron.0

The most famous and most precious was none other than the fourth-tier Lightning Essence, of which only nine pieces could be collected every decade. This essence was formed from accumulated lightning force fused with unique minerals. It inherently possessed growth potential. It was the core material...0