One of the Devil Fruits of One Piece, fruit type: Superman Fruit Power User: Ambrio Ivankov Appearance: Episode 438 of the animation in Chapter 537 of the manga [Encountering the Buddha in Hell] Title: King of Monsters, Miracle Human Fruit Ability: A human engineer who can control the gender, body temperature, pigment, growth, and emotions of the human body, and can transform humans from the inside will become the queen of the Kamabaka Kingdom 15 years ago. After hearing about her superb medical skills, she once made a doctor The strongest monster king in history who saved people who thought there was no cure and a country that was on the verge of death, leaving behind a "relief legend". He was later arrested by the World Government on charges of being a revolutionary and imprisoned on the fifth floor of the prison. A new world was accidentally opened between the fifth and sixth floors a few years ago. Entering from the sewer of the large prison, you can reach the secret paradise of the prisoners through the "impossible road" - the new shemale paradise. Under the guise of "devil's invitation", many prisoners disappeared mysteriously from prison and their names were deleted from the prisoner list. In the new transvestite paradise, Ivankov and others can not only observe the movements of the outside world, but also move around freely. From the moment Luffy sneaked into the prison, he observed the process of Luffy breaking into the prison, and used his own abilities to revive Luffy who was poisoned. After learning that Luffy was the son of a dragon, he helped Luffy escape from the underwater prison. And continued to help him rescue Ace. He has a deep connection with Luffy's father, Ryuu and Bartholomew Bear.