Ui Ui no MI

Ui Ui No Mi or the "Virus Virus Fruit" is one of the most spectacular class of Devil Fruit. It can be a Zoan type or a Logia type since it can manipulate, generate, control, and transform into virus.

Apperance
No one has ever seen it and it is still yet to be found.

Usage
As it can manipulate, control, generate and transform it can be use as a powerful weapon but there is no known usage and also what kind of virus type it have.