I drew some kinda spoilery fanart of Namiiiii
If you don't wanna be kinda sorta spoiled for chapter 598, then I would suggest you not click.
Here's some vaguely speculative fanart on what I think Nami's weapon will be like.
I kinda forgot about her needing to blow bubbles when I was drawing this, since I was quite set on her having triple nunchucks hahaha......