an Anti-Disapparition Jinx to prevent them from magically escaping. He then saves Harry from the Avada Kedavra curse conjured by Voldemort and engages in a ferocious duel with the Dark Lord. This culminates in Voldemort's attempting to possess Harry in an attempt to make Dumbledore kill the boy. Voldemort is forced to leave Harry's body and flee with Lestrange after this ruse fails. Because several ministry officials witnessed the end of the battle, Dumbledore is reinstated as headmaster and retrieves all his distinctions. Towards the end of the book, Dumbledore explains to Harry that Voldemort chose him as his equal and that one must kill the other in the end, and confesses that his great affection for Harry has clouded his judgement. Harry Potter and the Half-Blood Prince In the sixth book, Dumbledore fetches Harry from Privet Drive and takes him to persuade Horace Slughorn to rejoin the Hogwarts staff. Harry notices that Dumbledore's right hand is shrivelled and black. During the school year, Dumbledore teaches Harry of events in Voldemort's past that he feels are of immense importance. Using the Pensieve, they visit the memories of others, which contain important information about Voldemort's life and his genocidal rise to power. While using the pensieve, Harry sees a vision of Dumbledore's first encounter with the young Tom Riddle; Dumbledore had known from the beginning that the boy was dangerous, but believed that Hogwarts would change him. It is learned that Voldemort created six Horcruxes to gain immortality and that they must all be destroyed before Harry goes after the final piece of Voldemort's soul in the Dark Lord's body. Harry also repeatedly warns Dumbledore in most of their lessons that school bully Draco Malfoy is working for Voldemort. Dumbledore refuses to take any action against Draco, and instead tells Harry that he already knows more about what is happening than Harry does. By the end of the book, Dumbledore and Harry set out to the cave where Dumbledore believes a Horcrux resides. In the cave, Dumbledore drinks a potion inside the Horcrux's container; while drinking it, he begins to scream, seemingly enduring mental torture and being weakened. Dumbledore begins to call out for water after he finishes the potion, and Harry, realising he has no other choice, dips the goblet into the lake to give him a drink. When he does this though, all the Inferi that reside in the