the katana sword appears in many folk tales as well as legends. this piece of japanese history not only appears in old folklore, it is also very popular in modern fiction as well as contemporary art pieces such as film and theater. the katana has reached far and wide in the world of fictional stories and can be used to tell tales of wisdom and bravery or evil and treachery. the sword can be seen not only as a tool for the hero but also a tool for the villain.