"Every time." He said simply, his general answer to that question. He got it often enough at least. The last person to ask was Zoro. He flexed his fingers under her hands, tilting the hand a bit so she could see them from top and sides. He moved his fingers to prove he could, and now that they were fully extended he could bend his wrist, something he can't do when they are sliding out of his arm in the first place.

A small humm of a yes though, at her mutation question. Generally he was silent about these things, but lately? Well, it didn't matter, did it? Here it made him better then others. Stronger in some ways. "Apparently I do this naturally. The military just decided to graft metal to my bones." All of them.