The Crystal Dagger is a weapon seen in the film Princess Mononoke.
Kaya gives the dagger to Ashitaka before he leaves his village. Later on in the story, Ashitaka gives it to San. Obviously the dagger is used to show the bond between two peoples. Kaya gives it to Ashitaka, because she wants to say, she will wait for him and she loves him.
- ↑ 『「もののけ姫」はこうして生まれた。』 (jp.), page 354