Magical creatures in Harry Potter Griphook, Ron Weasley and Hermione Granger return to the chamber and retrieve a fang from the dead basilisk's mouth, using it to destroy Helga Hufflepuff's cup. This time the chamber was opened by Ron by imitating Harry's Parseltongue. Ron Weasley, Neville Longbottom, and Professor Dumbledore used the sword of Gryffindor, laced with the basilisk's venom, to destroy the locket, Nagini and Marvolo Gaunt's ring, respectively. In the "Harry Potter" universe, a Boggart is an amortal shape-shifter non-being that takes on the form of its intended victim's worst fear. While British mythology describes boggarts as house-elves who cause trouble or malevolent
Harry Potter and the Half-Blood Prince continue. Harry finds out that the locket is not the real Horcrux, containing only a note from someone named "R. A. B.". Harry is so devastated by Dumbledore's death (and upset by its futility) that he tells his friends he will not be returning to Hogwarts. Instead, he will spend the next year searching out Voldemort's Horcruxes. Ron and Hermione insist on joining him in destroying Lord Voldemort for good. "Harry Potter and the Half-Blood Prince" is the sixth book in the Harry Potter series. The first book in the series, "Harry Potter and the Philosopher's Stone", was first published