After all, eight thousand Wind Spirit Gemstones of various tiers must still be left in the Griffin's Nest.
Wind Spirit Gemstones are relatively niche, typically used in Magic Energy Flying Mechanisms, and those magic arrays and items with acceleration, levitation, and flying effects.
Of course, for wind-based offensive magic such as Wind Blade and Tornado, a Wind Spirit Gemstone is usually needed as the core.
However, after leaving eight thousand, the remaining ten thousand or so are quite enough.
Moreover, near the Griffin's Nest, there is a medium-sized Gemstone Mine.
Although Zong Shen doesn't know what "medium-sized" exactly means, he understands that once large-scale systematic mining commences, the number of gemstones obtained would far exceed these piles.
Because these gemstone piles were merely pecked out by the Griffins during their leisure.
