User blog comment:FairyTailFan/Juvia not as strong/@comment-4829046-20130606023535

Then again, how do you improve the power of water? She can do a tsunami or water spout but most characters would survive it. Its true that super pressurized water is on par with a cannon but since all the current characters have bodies of steel, I find it hard to see improvements. The only time she was serious in the GMG was in the final battle against Chelia and Lyon. But despite that, those two were defeated in a troll manner and you can't really judge power like that. Until she takes out someone with her own power and skill without the power of feelings(like in most of her battles) sometime soon, we won't know.