Ryu Ryu no Mi, Model: Pteranodon

The Ryu Ryu no Mi, Model: Pteranodon is an Ancient Zoan-type Devil Fruit that allows the user to transform into a pteranodon hybrid and a full pteranodon at will. It was eaten by King.

Etymology

 * Ryū (竜) is Japanese for "dragon".
 * It could also come from kyōryū (恐竜), Japanese for "dinosaur" or yokuryū (翼竜).

Strengths and Weaknesses
The major strength of this fruit is that it allows the user to turn into a pteranodon, a large and powerful predator from the prehistoric era. The user is capable of flight, and can attack in this form, as shown when King dealt damage to the Queen Mama Chanter as a pteranodon.

No weaknesses are currently known aside from the standard Devil Fruit weaknesses.

Usage
King uses this fruit in combat, as shown when he flew toward the oncoming Big Mom Pirates and attacked their ship while in pteranodon form.

Trivia

 * King possessing this fruit and the "Conflagration" epithet bears resemblance to the kaiju Rodan, a pteranodon who resides in a volcano.