Yog Yog no Mi

Background
The Yog Yog no Mi (Lavasteel Lavasteel Fruit) is a Logia type that allows the user to create, manipulate, and become molten iron. Molten Iron is around 1200 Fahrenheit, so the Lavasteel can cut through a lot of things. It was eaten by Yoggo, a character who was in a novel in Japan. Yoggo is a Burning Iron Human. If you want to know about molten iron, check out TheBackyardScientist on Youtube.

Techniques
Moero Kinzoku Koto (English: Burning Metal Coat)

Yoggo surrounds himself in Lavasteel.

Yoyopesuto (English: Yog Paste or Viz: Hot Metal Clone)

Yoggo creates a clone of metal lava.

Yogufisuto (English: Yog Fist)

Yoggo turns his hand into Lavasteel, increasing the power. This is Yoggo's strongest attack.

Design
In terms of design, it is silver with a yellow stem.