One of the many snake Fruits seen in One Piece, the Yamata no Orochi version is considered to be the rarest out of them all. It was eaten by the Shogun of Wano, Kurozumi Orochi, and it grants him the ability to transform into an eight-headed serpent, each head having its own personality.
One Piece's new chapter revealed Luffy's powers actually come from a Mythical Zoan type, one of the rarest forms of Devil Fruit.
The Gura Gura no Mi is considered the strongest Paramecia devil fruit of all for its absolute destructive powers. Whitebeard earned the title of the “Strongest man in the world” with this devil fruit.
Mythical Zoan
It is the rarest Zoan type, even rarer than Logia powers, and in accordance with this rarity seems to be the most powerful Zoan category.
To everyone's surprise, Luffy, who was always believed to be a user of the Paramecia type Gomu Gomu no Mi, is actually a user of a Zoan type Devil Fruit. Furthermore, this isn't just any Devil Fruit, but a power described to be "the most ridiculous" to exist in the entire story.
that the 4 gods mentioned in Sky Pia, the sun God, the god of the rain, the god of the force, and the god of the land are 4 devil fruits. within the one piece verse.
Genkai Genkai no Mi (lit. Limit-Limit Fruit) is a Paramecia-class Devil Fruit that allows the user to gain access the utmost potent ability of their body's ability and strength at anytime. It was eaten by Shizuo Hei D. Étente.
And then later on he ate the two fruits and cuz of his sleeping disorder the two devils wouldn't fight each other.
While this is shown to be a very rare gift among the world as a whole, it is noted by Don Chinjao that the New World is filled with numerous others who possess the ability to use this Haki. He explains that Luffy will most certainly encounter them and fight them for the title of Pirate King.
The Hito Hito no Mi, Model: Nika was first revealed to the fans in the very first chapter of the story. Luffy ate the fruit thinking it was dessert and gained the power of rubber ever since. The fruit was actually in possession of Shanks and according to his crew, they stole it from an enemy ship.
Luffy's rubber attributes are a result of him eating a devil fruit called the Gum-Gum Fruit Granting him a rubber-like body, his powers make him immune to electric attacks and most blunt forces, but he is susceptible to attacks made with a sharp object or weapon (eg. sword, spear).
The Hito Hito no Mi, Model: Nika is a powerful Mythical Zoan type of Devil Fruit that holds legendary status in the One Piece world. This fruit was only recently introduced to the fans in the story when Luffy fought against Kaido in Wano Country.
The Atsu Atsu no Mi is an anime-only Paramecia-type Devil Fruit that gives the user the ability to produce and control vast amounts of heat, making them a 10,000 Degree Human (１万度人間, Ichiman Do Ningen?). It was eaten by Don Accino.
Although the exact number of devil fruits is unknown, there are more than 100 devil fruits spread out across the world. Each of them has a distinct power, and none of them has duplicates.
Sanji hated Absalom even more because he ate the current Clear-Clear Fruit. This was the only Cursed Fruit that Sanji was ever interested in, he lost however interest in the fruit after his fight with Absalom, deciding that he shall just have to go do them anyway without it.
In fact, Nami has already demonstrated abilities similar to Haki. During the Alabasta Saga, she has shown the ability to tell even the slightest of changes in weather which, according to Vivi, is beyond human comprehension.
During Sanji's cooking battle in a Loguetown Arc filler episode, it was mentioned that some fish species that should not exist in the East Blue were found due to ocean currents, which made Sanji certain that the All Blue exists.
The Ganma Ganma no Mi is a Logia-type Devil Fruit that allows the user to create, control, and transform into nuclear energy at will, turning the user into a Nuclear Human. It was eaten by Fermi.
Genkai. Genkai (幻海) is an elderly martial arts expert who is famous among both humans and demons, and considered one of the top five reiki masters according to her friend Koenma. She first appears holding a tournament to find a successor for her techniques, which Yusuke and Kuwabara both take part in.
Bullet has awakened his devil fruit, allowing him to disassemble objects from a greater range.
The Kami Kami no Mi, Model: Zeus, is a Mythical Zoan-type Devil Fruit that allows its user to turn into Zeus, God of the Sky and ruler of the Olympian Gods at will.
Based on their appearances, Oda gave the following as a reply: Monkey D. Luffy: Brazilian. Roronoa Zoro: Japanese. Nami: Swedish.
Dragon's Devil Fruit would get to control all of the skies, including winds, rain, and lightning, among other overpowered abilities. Given that he's done some similar stuff in the series so far, he could very well possess this Devil Fruit.