User blog comment:AYET/A devil fruit... in reality!/@comment-4004918-20120223063824/@comment-4754162-20120223070015

Of course you get an ability, the ability to SWIM if you buy the Swim Swim no Mi. So you won't be drown when submerged in the sea and... and... and... and that's that! Oh ya, since you have ate one DF already, you are not able to eat another, so you ended up as an average normal human like the real people on Earth outside of OP universe... Cool (I think)! Hahaha...