This is pretty specialized, but there is a market for this kind of high-end merchandise. People who would buy something like this would also buy real bat’leths.

In theory, selling this piece means that you have commited to making sure there’s a scene where she uses this sword wearing this costume. It sort of paints the creators into a corner, so it’s a bold choice. 

(Heavy Metal Movie Special, 1999 – Page 106 Official Sword and Knife ad)