Talk:Mink Mink no Mi/@comment-4936572-20170308213840/@comment-130.156.101.248-20170309141148

Paramecias have been known to permanently shift the user's body in some way; for example, Luffy's Gum-Gum Fruit changed his body so it has the properties of rubber, even when underwater (during the fight with Arlong, several villagers stretched Luffy's neck so his head was above the water), and Eric's fruit sharpened his nails and allows him to create wind blades. Therefore, a change like this is indeed plausible for a Paramecia.

Additionally, on another site, I have found several examples of Paramecias that permanently transform the user like the Mink-Mink Fruit does; one example permanently turned the user into a demon-like creature (that was actually the inspiration for this Devil Fruit).