Hara Hara no Mi

The Hara Hara no Mi ( 原原 ) is a Paramecia type Devil Fruit, in which the user can change the polarity of an object or person. Hara for “Field”, in both Viz Manga, and the FUNimation dub, it is called the Field-Field Fruit. It originally was found by the Senju Corporations, it was given to Dr. Nanbu.

Strengths and Weakness
The main strength of this fruit is as follows, the user right hand because a north and their left the south pole. A number of things can happen, if the user touches an object or a person with one of his hands. If he touches an opponent with a south pole with his right hand, it will come to his hand or he can manipulated to go somewhere. However, if he touches the person with the same magnetic pole they will go away from the user. The user basically is able to change the magnetic polarity of an opponent or a person, however the user CANNOT make metal objects come to him. He can only change the polarity of it to either its same polarity or a different polarity, so if a bullet or such is coming at the user. They can change it's polarity to be attracted to the opposite polarity. If he wishes to make the bullets to go away from him, he will change his own polarity to the same of the bullets. The user will suffer the standard weakness of the devil fruit, another weakness that has been seen is that if the user touches himself he can attract objects as well so he must wears gloves to prevent such a thing to happen.