There was this one Naruto fanfic author that tried to act smart by saying that Konan could be immune to the weakness of water release if she used oil paper instead of regular paper, but it's like, just makes her weak to fire? He doesn't even mention how it's an insulator, defending against some lightning release, either. Most importantly, that paper would be way heavier, no? Bah! Writers sniffing their own farts!