One Piece is an ongoing manga series and anime series with 1029+ episodes to date. Along with its vast number of unique characters, it also comes with its very own set of power systems. One of the powerful abilities that can be acquired in the One Piece World is by consuming a Devil Fruit.
Devil Fruits are mysterious fruits that are scattered throughout the One Piece World that provide superhuman abilities to an individual once consumed. As captivating its abilities may be, the superhuman abilities come at a cost - the ability to swim. A devil fruit user is robbed of their ability to swim and loses all their energy once they come in contact with seawater. Their devil fruit abilities can also be rendered useless with the use of sea-prism stone. Furthermore, an individual can only consume and possess the prowess of a single devil fruit in their lifetime. If someone tries to consume two devil fruits, they will inevitably die. The only known exception till now is Marshall D. Teach, popularly known as Blackbeard.
Each devil fruit provides its consumer with unique abilities, which can be mundane abilities or abilities with the potential for mass destruction. Based on the type of powers they provide its consumers, Devil Fruits are classified into three major categories:
Paramecia - It is one of the most common devil fruits found in the One Piece World. A Paramecia-type devil fruit provides its consumer with various strange abilities, like turning their body into springs.
Zoan - Zoan-type devil fruits are comparatively harder to find. It allows its user to transform into animals or hybrid animals. The ability to transform differs among different devil fruits. It ranges from common animals like snakes to ancient animals like dinosaurs.
Logia - Logia-type devil fruits are the rarest and considered the strongest among the three devil fruit types. It provides its consumer with the prowess of a natural element and converts their physical body into the same, such as sand, light, ice, lightning, darkness, etc. There are also Logias that have the power to turn the user into unnatural substances like paper or syrup for candies, but these are regarded as non-canon.
Only a single devil fruit can exist with a unique power. For example, only a single Gomu Gomu no Mi that provides its consumer with a rubber body can exist at a time. Once the user dies, the devil fruit comes back in circulation.
In the One Piece world, devil fruits can be both naturally occurring and artificial. Although it started off as a mysterious naturally occurring fruit, some individuals figured out a method to create artificial man-made devil fruits.
Devil fruits play a major role in the series. The abilities gained by devil fruits have empowered many individuals in the series and led them to become forces to be reckoned with. Many people set sail in search of these devil fruits but return empty-handed due to their rarity.