Except there's no spike on the end. It's rounded. And the tine should be near the handle and not stick out too far. And I need it shoulder high.

I'm a devil fruit user. I carried seastone in order to deal with pirates with it, but it always felt like it weighed more to me because of my own devil fruit. And seastone is the hardest substance in my world. So the tip will have to be extra heavy.

... It's a pretty specialized job, so I understand if it can't be done.