C2529 Luck Reproduction?

After some time of inspection, Lin Bai found that, to be more accurate, what attracted his attention were the two ores.

As far as he could see, one of them was the ore of the Dragon King's skin. The black stone skin was inlaid with many white lines that looked like dragon prints. It was shrouded in a mysterious aura.

The other piece was abnormally huge, almost half the height of a human