Snorting, the redhead revealed, "He created this group of vigilantes: the "Order of Phoenix'. Both of our parents were part of it during the last war. The headquarter is at ..." frowning, Ron opened and closed his mouth a few times until Barty piped up, "That would be the Fidelius Charm that hides the headquarters. You can't talk about it, write about it or use any other means of communication that would betray its location."