C946 Wanxiang Light!
Boundary Glyphs s were a type of unique existence. It was not a weapon, nor was it a treasure, but more like a proof of a world, like Lu Yin.
This thing was invented by some ancient Martial Saint s. At the beginning, it was specially used to facilitate the access of trusted men and women to the Martial Saint world.
Later on, some functions of special significance were developed