Talk:Hada Hada no Mi/@comment-1949750-20111113211141/@comment-3387274-20120817195232

Confirmed cannon fact 15: Devil fruit never grow any stronger, and they don't become more potent as their user grows stronger. The only way they improve is creativity.

which means that the only reason Yuma uses six corpses and not one is because he tried. as for more, well... how many?