C10935 Secret Weapon!

However, the Green Hell Stone was usually located in the deepest part of the mine, and it would only be possible to find the Green Hell Stone after mining the entire mine.

And this Ninth Grade Blackstone Mine was so big, it was very likely that there would be a lot of Netherworld Stones in it.

Therefore, Qin Ming was very concerned about this Ninth Grade Blackstone Mine.

Furthermore