Devil Fruit makes a ordinary human into a power person for example Monkey "D" Luffy he can stretch himself as far as he wants to but that's only 1 devil fruit, its called Gum Gum fruit. or their is Buggie the clown who can never die by getting stabbed. witch is the chop chop fruit. but their is one price to pay with devil fruits its that NO ONE CAN SWIM WHO EATS IT!! they will drown then die.