Giren smiled, watching the young girl enjoy the company of the hippogriff, having a Gryffindor under his wing may not be quite so bad, perhaps he might find a way to obtain a certain sword that had been missing since the battle at Hogwarts. It could be the last peice he needed in the puzzle, it was his last 'unknown', the objects that held the Horcruxes were all accounted for, he just needed to find a way to get through their protection and actually obtain them, but he knew where the last 2 were.