Mokei Mokei no Mi

The Guujin Guujin no Mi (Doll Doll Fruit) is a Paramecia-type Devil Fruit which permanently metamorphoses its consumer into an autonomous doll. It was eaten by Powerhouse411.

Advantages
The Guujin Guujin no Mi bestows upon its consumer an immunity towards aging, contusions, diseases, exertion, intoxication, irradiation, lacerations, mutilations, poisons, punctures, starvation, suffocation, and et cetera. Essentially, the consumer is almost entirely devoid of the mortality possessed by fleshlings.

Disadvantages
The consumer of the Guujin Guujin no Mi remains as susceptible to combustion, corrosion, and electrocution as he or she was before his or her consumption of the Guujin Guujin no Mi. More importantly, the consumer is incapable of growth. Thus the consumer can't naturally recover from an injury, naturally strengthen his- or herself, or et cetera.