Among the arts of the Six Paths, the art of refining is the one used most widely—and also the one ordinary cultivators come into contact with most often.

After all,

even a rogue cultivator so poor his pockets jingled, so stingy he could not bear to use a single Talisman, would still absolutely prepare a suitable weapon or magic treasure for himself.

Because the boost it gave a cultivator's combat power was simply too great.