Unfortunately. You would do more damage with a chair. A good blade has the steel folded multiple times to strengthen its structure and prevent it from breaking. I think this one had tin poured into a mold.

[She's not sure what metal was used, as she's not that much of a sword expert. But she doubts this is any kind of quality steel.]

The balance is off, as the blade is too heavy for the handle. You may be able to sharpen it with the proper tools, but I would not waste your efforts. Perhaps you could think of it as a souvenir.

[Rukia hands it back.]