Official One piece Abilities

The most common of the three classes, users of Paramecia class Devil Fruits gain superhuman physical abilities or powers, such as shock wave generation and locking onto targets. Other users can alter features of their bodies or their environment, such as a body of blades and levitating objects. Finally, there are some users that can manipulate and generate some kinds of substances, such as wax and poison.

The users of Zoan class Devil Fruits gain the ability to transform into an animal (and acquire every ability affiliated with said animal). The user can also transform into a human-beast hybrid form. There are Zoan Devil Fruits not only for common animals, but for prehistoric or ancient animals and mythological creatures as well (ancient and mythological are rarer, with mythological said to be even rarer than some Logia Devil Fruits). There also exist manufactured Zoan Devil Fruits, fashioned by Vegapunk and Donquixote Doflamingo. While Vegapunk's fruit was a failure, Doflamingo's fruits, renamed "SMILEs" were a success. They are manufactured in his factories using Caesar Clown's SAD, and sold to big names of the sea. Kaido of the Yonko even used them to create an army of Devil Fruit users.

The rarest of the three classes, users of Logia class Devil Fruits gain the ability to transform themselves into an element (making them intangible or indestructible, the exception being the darkness Logia power which keeps the human body and makes the user more vulnerable towards pain). They also gain every ability related to that element and gain the skill to disperse, control and rejoin any part of their bodies while conscious and in control of their powers (including explosions, bullet wounds or cuts). Logia users can move every part of their transformed bodies while in element form.

Kenbunshoku Haki, also known as Mantra on Skypiea, is a form of Haki that allows the user to sense the presence of others, even if they are concealed from view or too far to see naturally.

Busoshoku Haki allows the user to create a force similar to an invisible armor around themselves.[1] Similar to Tekkai, this Haki allows the user to defend against attacks that would otherwise cause them harm. Significant physical force can still overcome this defense; for example, Luffy struck Boa Marigold hard enough with Gear Second techniques that it sent her reeling.

Haoshoku Haki is a rare form of Haki that cannot be attained through training. Only one in a million people have this ability. This haki can be used to control an opponent, most of the time knock out a huge number of opponents without making a single movement.

Erementarī haki is a secret Haki even rarer than Haoshoku Haki, being able to control one of the five elements: Fire,Water,Earth, Air, and lightning. however one can only use one of the five elements.This form of Haki can onlt be used by only a handful of people world wide. This form of haki isn't possible to be attained by Devils/Devil fruit eaters.