Devil Fruits
Devil fruits are mysterious fruits that only exist in the world of One Piece. When eaten, it gives its user strange and powerful abilities. However it comes at a cost: Users of the devil fruits are unable to swim.
Devil fruits are said to be the fruits of the sea devil and the secret of the fruits lie in the end of the grand line. As encounters are rare, the average person does not know much about it.
There are three types of devil fruits:
1) Paramecia
2) Logia
3) Zoan