User blog comment:Kevo411/HxH Questions 2/@comment-48285-20140615050523/@comment-24768103-20140615190437

4- There must have been news stories about the Spiders though, so Kurapika must have seen that what they can do surpasses normal human abilities. And furthermore, how were there no books written about the use of Nen? By the way, the reason I think that Hanzo would know about Nen is because he wanted to be an information hunter, so he would've likely gathered information on Nen.