Ushi Ushi no Mi, Model: Catoblepas

The  Ushi Ushi no Mi, Model: Catoblepas is a Mythical Zoan-type Devil Fruit that allows the user to transform into a hybrid or full Catoblepas at will . In an English dub this fruit would be called the Ox-Ox  Fruit, Model: Catoblepas. It was eaten by Vice-Admiral Hadrian.

Appearance
The fruit looks like a white Carambola (star fruit) with dark grey swirls both on the inside and outside of the fruit.

Strengths and Weaknesses
The Model: Catoblepas, like other Zoan fruits, grants the user greater raw physical strength and durability, though, as a Mythica Zoan, it imbues the user with greater power even in human form. One of the adverse affects of the fruit is that it also causes the users head to become incredibly heavy, forcing the user to constantly look downward. As such, Hadrian can only look forward by lifting his eyes as high as they can go. He also has trouble turning his head to the left and to the right, leaving him with blindspots. The extra weight is responsible for Hadrian's poor, hunched posture.

In hybrid form, the user boasts increased girth and muscle mass, and stands at 9 ft tall. Similarly to Marco, Hadrian can transform limbs without transforming the rest of his body.

The Catoblepas' unique ability is the power to breath out a thick, dark gray substance--similar to volcanic ash. If the ash-breath happens to fully surround a part of someone's body, that body part will be petrified. The same applies to whole and multiple bodies. Reminiscent of volcanic ash, the breath is extremely hot as well. If the victim isn't petrified, they will at the very least be severly burned. It seems as if a limitless supply of the substance can be produced, but only through breathing out of the mouth or nostrils. Additionally, when in hybrid or full form the user can manipulate the path and shape of the ash-breath by guiding it with his hands. The breath has no affect on user.

Beyond what is mentioned above there appear to be no other drawbacks then standard Devil Fruit weaknesses.

Usage
More to come!

Trivia
The Catoblepas is a mythical creature from Ethiopia first described by Pliny the Elder. It was believed to have a similar ability to the basilisk, that is, petrifaction. This would occur if the beast looked at a victim or if the victim smelled the monster's breath.