User blog comment:Fantasy Detective/Brook: WHAT ARE YOU?!!!!/@comment-3387274-20111118175349

Well, the recent manga chapter reveals Brook's body is animated and powered by the shear power of his "SOOOOOUUUUULLLLL!!!" as he put it. The answer to all the questions is actually there if you think about it. If it doesen't come to you, I'll explain what I worked out later, but it's not that hard.