Kuro Kuro no Mi

Introduction
The Kuro Kuro no mi is a paramecia devil fruit that makes the user completly black. The devil fruit changes the carbon in the users body rearangeing it to make them as hard as diamons. This toughness exstends throughout the entire body not just the skin.

Weaknesses
The user suffers from standard Devil Fruit weaknesses.

The user can not shut the power off and their weight massively increases