This chapter's epigraph comes from the famous nursery rhyme, "Stab ah!" . It's a nursery rhyme about a snake that's about to bite a man. The snake bites the man, and the man falls to the ground. He's bleeding from the wound. The nursery rhyme's narrator explains that the snake's blood has been transformed into a sword, and that the sword's spirit can only be used when it's combined with the man's own sword spirit. The man stabs the snake, but he doesn