What is the best summary of the story? 1) Ninjas ed many weapons. The katana was a powerful fighting sword, but the scabbard was ed as a climbing tool, probing tool, and a blinding weapon. 2) The katana was a Ninjas favorite weapon. 3) Katanas and Swiss Army knives were the most popular weapons ed by the Ninjas. 4) People think that ninjas had superpowers becae ninjas have been portrayed this way in art and media.