Inside, there really was an Energy Stone, and it was even a First Grade Energy Stone the size of a fist!
A suboptimal Energy Stone the size of a fingernail officially converts to a value above five Qi Blood Pills, and if placed on the black market, it might reach the price of ten Qi Blood Pills for martial artists needing a realm breakthrough!
Elixirs,
Due to the advancement of modern science and technology, combined with various diffusions, differential machines, and purification effects, along with modern industrialized manufacturing, large-scale production has significantly lowered prices.
But Energy Stones are different; even in the Underground Cave World, Energy Stones are extremely precious resources.
Cave Martial Artists also kill over Energy Stones, and for Earth humans to obtain Energy Stones is even more challenging.
Moreover, the Underground Cave World is the only source for Earth humans to acquire Energy Stones.
