Gusoku Gusoku no Mi

Appearance
The Devil Fruit's appearance was that of a large circular shape similar to a Coconut. The fruit has golden swirls circling around the top and bottom of the fruit, with it's overall colour being close to that of a Olive Drab.

Strengths and Weaknesses
The benefit of the armour is it's hard shell, which is resistant against minor attacks from that of swords and guns. This leaves it venerable to more advanced attacks like Haki and various devil fruit abilities. While it's unknown what of metal the armour is made of, it is believed to be something that is resistant to fire, as fire type attacks.

Abilities
While the suit offers limited abilities, it provides one main attribute for the user.
 * Super Strength: The Suit grants it's user a titanic strength gained through it's centuries of battles, by many of users who have donned the suit. It's power is said to able to level the strongest of warriors in battle.

Trivia

 * The Shape of the suit can be changed, depending on the skill of the user.