Fluffy, the three-headed dog from Harry Potter and the Philosopher's Stone was eventually returned to the wild. Dumbledore made sure Hagrid's creatures came back were they belonged, for Fluffy meant that Greece.

Ever wondered why the Resurrection Stone worked even after the Horcrux in it had been destroyed? J.K. Rowling explained that the crack in the stone was irreparable, but Dumbledore was such a good wizard, he managed to remove the Horcrux without destroying the real magic of the stone.