Devil Fruits are mysterious, fruits scattered throughout the world, known for granting their eaters superhuman powers and an equally permanent inability to swim. With only one notable exception, eating one allows you to gain superhuman abilities.

Say the words "Eat the Devil Fruit" to eat a fruit and gain any power, it could be worthless or very op letting you do things like create universes and so on. Say the words "Remove the Devil Fruit" and repeat till you are happy with the result.