C323 Yin-yang ninefall stone

It was a piece of strange metal that was about the size of a washbasin and had a black and white color. Even though it was just looking at the picture book, one could clearly see the peculiarity of the metal.

Ever since Feng Zhi saw this piece of metal, she could not look away.

It was as if this piece of metal was some sort of supreme treasure that prevented her from looking away from it