User blog comment:Xilinoc/Ch. 552 - The Fundamental Virulence/@comment-9096222-20131008190214/@comment-11051098-20131008194316

The ability of manipulating metal, which is basically what you mean, would be cool. I don't see by now what else it could be.

And I also wonder what the U stands for, and what NaNaNa's special ability is.