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6->''"Apparently I underestimated you, Potter. Who would have thought you knew such dark magic?"''
7-->-- '''Severus Snape'''
8
9''Harry Potter and the Half-Blood Prince'' is the sixth and penultimate book in the ''Literature/HarryPotter'' series, published 16 July 2005.
10
11The Ministry has finally accepted that Voldemort is back, but that hasn't really made the situation any better. With everyone terrified, obviously unjustifiable arrests happening and misinformation still being printed, just in the other way, events play out to show that the Ministry is in no fit state to stop Voldemort.
12
13But while those events linger over the plot, the action stays fully grounded at Hogwarts. Harry learns more about Voldemort's BackStory, becomes increasingly suspicious of Snape's loyalty, and discovers an old potions textbook annotated with powerful spells and useful notes from its previous owner who identifies himself only as "[[TitleDrop The Half-Blood Prince]]". Draco Malfoy is tasked with something by Voldemort himself; [[ArsonMurderAndJaywalking and wacky romantic hijinks ensue for everyone]].
14
15As WordOfGod has noted, ''Half-Blood Prince'' is where the serialization of ''Harry Potter'' hit its zenith. Where all five of the previous novels ended the main plot, ''Half-Blood Prince''’s ending builds up to an emotional release but simply prepares the reader for ''Deathly Hallows'' to start up at a much faster pace. Also, due to ExecutiveMeddling forcing Creator/JKRowling to slim down ''[[Literature/HarryPotterAndTheChamberOfSecrets Chamber of Secrets]]'', there is a lot of FridgeBrilliance here when compared to ''Chamber''.
16
17Followed by ''Literature/HarryPotterAndTheDeathlyHallows''. It was adapted into a [[Film/HarryPotterAndTheHalfBloodPrince movie]] in 2009.
18
19----
20!!Tropes exclusive to this book or at least especially prominent:
21
22[[foldercontrol]]
23
24[[folder:0–B]]
25* ZeroPercentApprovalRating: Fudge's popularity plummeted after the Ministry finally had to admit that Voldemort really had returned after a year of pretending he hadn't, and he was forced to resign. He rather sadly remarks that the wizarding community's unanimous call for his resignation was the most united the people had been in his time as Minister.
26* TwentyOneGunSalute: The centaurs of the Dark Forest fire off a volley of arrows in honour of [[spoiler:Dumbledore, at his funeral.]]
27* AbortedArc: Harry and his friends spend [[{{Foreshadowing}} spend an odd amount of page time]] pointing out that Florean Fortescue's ice-cream parlour has been boarded up and its owner kidnapped by Death Eaters. This was meant to be followed up in ''Literature/HarryPotterAndTheDeathlyHallows'', but the thread was dropped as, in the author's view, it was "going nowhere", and his role was instead given to [[spoiler:the portrait of Phineas Nigellus Black]]. In the canon, [[spoiler:Florean is murdered off-screen by Death Eaters sometime during the events of this book]].
28* AbusiveParents: Dumbledore calls out the Dursleys for being this -- not solely to their nephew Harry, but to their son Dudley as well. The Dursleys don't understand what Dumbledore is talking about ... that their relentless indulgence of Dudley's every whim has turned him into an [[FatBastard obese]], {{spoiled|Brat}} [[TheBully bully]].
29* AccidentalDiscovery: The Weasley twins thought it would be a great joke shop product if they enchanted a hat with a shield charm so that they could trick their friends into jinxing them and have a laugh as it backfires. It wasn't until the Ministry ordered ''500 of them'' that the two realized they had just invented wizard body armour, by accident, ''as a joke''. This swiftly caused them to [[CerebusSyndrome ditch the prank angle and openly sell the hats (among other items like cloaks and gloves) as protective gear]].
30* AccidentalKiss: [[spoiler:Celebrating winning the Quidditch Cup without Harry present on the team, Ginny gives Harry a big hug. Harry, who's been fighting his attraction to Ginny all year, kisses her passionately without intending to or making the conscious decision to do so, he's just overcome by the emotion of the moment. Turns out everyone had been waiting for them to do so, even (albeit somewhat grudgingly) Ron.]]
31* AccidentalMisnaming:
32** In the scene where Harry and Ron go to Slughorn to treat a love potion, Slughorn calls Ron Ralph. He later refers to him as Creator/{{Rupert|Grint}}.
33** Mrs. Cole, the director of the orphanage in which Tom Riddle grew up, introduces Dumbledore to the young Riddle first as Dumberton and then Dunderbore. She is by this point more than a little inebriated, having knocked back several gin shots while talking to Dumbledore in her office.
34* AccidentalPassenger: After Malfoy has paralysed Harry on the train, and left him there, the train starts returning to London. Fortunately, Tonks rescues him after a short time, and they jump off the moving train.
35* AccompliceByInaction: This is why Harry refuses to become the poster boy for the Ministry of Magic. First, nobody in the Ministry (if they weren't also an Order of the Phoenix member) stood up for him when Fudge and his lackeys were harassing Harry, Dumbledore, and their supporters out of fear of losing their jobs if they had done so. This makes them all as guilty for covering up Voldemort's return and allowing the Death Eaters to go on with their plans unopposed for a whole year, so Harry feels no obligation to help them clean up the mess ''they'' made. Second, it would also make Harry ''himself'' an Accomplice by Inaction; if he gives the impression that he's working with the Ministry, he's also giving his tacit or open support to their "attempts" to solve the He-Who-Must-Not-Be-Named Problem, which are more about being ''perceived'' to be making progress than about making actual progress.
36* AchillesHeel: Deconstructed with [[spoiler:Voldemort's Horcruxes. As Dumbledore points out, yes, destroying them ''will'' remove his anchors to immortality and ensure that Voldemort ''can'' be killed for good this time. However, that also realistically doesn't do Voldemort's would-be killers much good. They'll ''still'' have to take down the most dangerous and powerful Dark wizard currently alive, somehow.]]
37* AcquittedTooLate:
38** [[spoiler:Sirius Black]] is finally found innocent of the mass murder every wizard thought he committed, as Fudge tells the British Prime Minister during the first chapter. Too bad he's already dead at this point.
39** Morfin Gaunt, whom Voldemort framed for his own triple murder of his Riddle relatives. Dumbledore found evidence Voldemort was the real culprit, but Morfin died in Azkaban before the verdict could be overturned.
40** Likewise, Voldemort also framed a house-elf named Hokey for poisoning her mistress with the same methods he used to frame his uncle. The Ministry didn't bother investigating the situation any further [[FantasticRacism because she was a house-elf.]]
41* ActingUnnatural: Hermione attempts to act casually in Borgin and Burkes, and immediately gets noticed.
42* ActuallyIAmHim: Harry doesn't realise he's talking to the Half-Blood Prince until he tries to use one of the Prince's own spells, whereupon the Prince brags about his identity to a distraught Harry.
43-->'''[[spoiler: Professor Severus Snape]]:''' You dare use my own spells against me? It was I who invented them -- [[WhamLine I, the Half-Blood Prince]]! And you'd turn my inventions on me...?
44* AddedAlliterativeAppeal:
45** Chapter 11 is entitled "Hermione's Helping Hand".
46** When the pupils learn to Apparate, they are taught by Wilkie Twycross, whose motto is "the three D's: destination, determination, and deliberation." When Apparition proves difficult to learn, there is a certain ill-feeling towards Twycross and his three D's, which inspire nicknames such as "Dung-head", "Dog-breath", and [[NarrativeProfanityFilter many much ruder ones]].
47* AgonyOfTheFeet: A Gnome bites Fred’s ankle while he pulls up carrots; it gets turned into the angel on top of the Christmas tree.
48* AintTooProudToBeg: [[spoiler:At the mercy of Fenrir Greyback, Amycus and Alecto Carrow, and Corban Yaxley, as well as a terrified Draco Malfoy, Dumbledore is calm and collected and converses with them quite casually. However, when Severus Snape steps in, Dumbledore's mood suddenly shifts, and he pleads with Snape, seemingly for his life. ''Deathly Hallows'' would later reveal that he was pleading with Snape to MercyKill him so that Draco wouldn't have to.]]
49* TheAlcoholic:
50** It's implied that the head of young Tom Riddle's orphanage, Mrs. Cole, is one. It's not surprising given the stress of running such an establishment -- for over at least the last eleven years -- and that Dumbledore's visit coincided with the threat of [[UsefulNotes/WorldWarII war with Nazi Germany]].
51** Sybil Trelawney is often said to smell of sherry. And she runs into Harry at the Room of Requirement because she's looking for a place to hide her sherry bottles.
52* TheAlibi: When Harry accuses Malfoy of giving the cursed necklace to Katie Bell, Professor [=McGonagall=] says that he couldn't have put Katie under the Imperius Curse to give the necklace to Dumbledore because Malfoy was serving detention with her. [[ExactWords However]], [[spoiler:Malfoy had an accomplice: Madam Rosmerta under the Imperius Curse, who did it for him.]]
53* AllForNothing: After the lengths Harry and Dumbledore go to retrieve [[spoiler:Voldemort's locket Horcrux]], Harry discovers that someone (later revealed to be [[spoiler:Regulus Black]]) has already stolen it and replaced it with a fake.
54* AlliterativeFamily: Marvolo, Merope, and Morfin Gaunt.
55* {{Anadiplosis}}: In a PensieveFlashback, a young adult Voldemort visits Dumbledore to inquire about the open position of Defense Against the Dark Arts Professor at Hogwarts. When Dumbledore mentions the rumors that he has been doing bad things, Voldemort's excuse is "Greatness inspires envy, envy engenders spite, spite spawns lies. You must know this, Dumbledore."
56* AndThatsTerrible: In the song about Odo:
57-->''And Odo the hero, they bore him back home\
58To the place that he'd known as a lad.\
59They laid him to rest with his hat inside out\
60And his wand snapped in two, which was sad.''
61* ArbitraryScepticism: Hermione and Ron outright reject Harry's assertion that Draco is now working for Voldemort and it becomes a point of contention between them. This despite the following facts: Draco is bragging to his fellow Slytherins about it; his parents and other family members are Death Eaters; Voldemort recruited the original Death Eaters from among his Hogwarts classmates; and, Voldemort himself committed his first murders while he was still a student at Hogwarts. Then again, without any solid proof, Harry builds his case on his personal dislike for Draco, and there are alternative explanations for all his circumstantial evidence. Still, Ron and Hermione have followed Harry to wilder conclusions with less evidence before, and he's been proven right.
62* [[ArmorPiercingQuestion Armour-Piercing Question]]:
63** In the Muggle Prime Minister's flashback to his first meeting with Fudge, he wonders aloud why none of his predecessors ever told him of the existence of a coexisting society in the same country. Fudge laughs and asks, "My dear Prime Minister, are ''you'' ever going to tell anybody?" As soon as Fudge is gone, the PM admits to himself that he never will tell anyone.
64** Snape opens his defence against Bellatrix's accusations with two of these, first asking her if it never occurred to her that Voldemort might have had the same questions when Snape returned to him after thirteen years? After telling her he did and Snape gave answers, he points out that ''Voldemort'' trusts him (obviously, or he'd be dead), so does she think that ''she'' knows better than Voldemort?
65** When Harry calls Snape a coward during their duel at the end, Snape retorts: "Your father would never attack me unless it was four on one, what would you call him, I wonder?"
66* AssassinationAttempt: A subplot in the book covers failed assassinations that end up hurting students instead. It's very unclear who's being targeted or who's carrying out the attacks, or why, for most of the book. Speculation abounds, from the idea that the Gryffindor Quidditch team is under attack to the idea that it's an attempt to kill Horace Slughorn for avoiding the Death Eaters. Harry adamantly holds that Draco is behind it, as he does with most things. [[spoiler:It turns out Voldemort ordered Draco to kill Professor Dumbledore, which he manages to do with assistance from Severus Snape. Those failed assassinations were spur-of-the-moment plans he came up with when he got scared his main plan of repairing the Vanishing Cabinet wasn't going to work.]]
67* AssholeVictim:
68** Morfin Gaunt, {{Muggle|s}}-[[FantasticRacism hater]] who was framed for the murders of some of Voldemort's victims, [[PayEvilUntoEvil all of whom were]] [[AssholeVictim victims]] [[PayEvilUntoEvil in their own right]]. However, Dumbledore feels that whatever Gaunt was, [[SubvertedTrope he didn't deserve to be sent to the Dementors for a crime he didn't commit]].
69** After everything he did from the end of Book Four on, it's hard to feel sorry for Fudge after he's forced to resign in disgrace, much less after learning that he was planning to use Harry to boost morale after smearing him.
70* AstonishinglyAppropriateAppearance: Apparition is the art of magical teleportation. Its instructor, Wilkie Twycross, is described as having an insubstantial appearance with wispy hair and transparent eyelashes, as though he might blow away at a puff of wind.
71* AwesomeButImpractical: During a Potions class, Hermione uses the textbook's solution to creating an antidote for a poison, which involves decanting the ingredients into ten different phials and making the antidote with fifty-two different ingredients including some of her own hair. It shows her skill very well but is far less efficient than Harry's solution, which consists of simply using a bezoar. {{Downplayed|Trope}} because Slughorn points out there are poisons that bezoars can't cure, so it's worth a wizard's while knowing how to make antidotes the hard way.
72* TheBadGuyWins: Played with. [[spoiler:While the Death Eaters do succeed in killing Dumbledore, it's revealed in the next book that he asked Snape to do this.]]
73* BaitAndSwitch: In the fifth sequel, with the well-established pattern of a different Defence Against the Dark Arts teacher every year, you probably expected the newly introduced character of Horace Slughorn--who Dumbledore and Harry visit with the explicit goal of bringing him out of retirement to teach at Hogwarts again--will be the one. Nope! ''Snape'' is the the [=DADA=] teacher this year, and Slughorn is replacing ''him'' as the Potions teacher!
74* BatmanGambit: Dumbledore brings Harry along to persuade Slughorn to take up the now vacant post of Potions Master. Knowing Horace's ambitions and networking, Dumbledore knows the prospect of teaching and influencing The Boy Who Lived (let alone the son of his old favorite pupil Lily Evans) will be just enough to tempt Horace out of retirement. Amusingly, Slughorn (who knows Dumbledore and his methods after decades of working together at Hogwarts) instantly realizes ''exactly'' what Albus is up to. Horace warns his old colleague that he ''won't'' fall for it ... and ultimately succumbs to temptation anyway.
75* BathroomBrawl: Harry fights Draco in a bathroom and uses the "Sectumsempra" spell on him.
76* BattleInterruptingShout: Harry does this in an attempt to stop an argument between Ron and Ginny over Ginny's love life by trying to reason with Ginny ("He doesn't mean anything," says Harry; Ginny retorts, "Oh yes he does!") before placing himself between them. The argument escalates despite Harry's attempt at curtailing it, culminating in Ron firing a jinx at Ginny that misses when she taunts Ron once too many, Harry pinning Ron to the wall to stop him, and Ginny telling Ron off before walking away, finally ending the argument.
77* BeCarefulWhatYouWishFor: [[spoiler:In the hiding place of Voldemort's Locket Horcrux, Dumbledore expresses disappointment at Voldemort's lack of imagination when he learns he has to shed blood in order to enter it. Unfortunately for Dumbledore, Voldemort has thought ''much'' further ahead than that, as the door is designed to force the one who enters to weaken themselves and make them more susceptible to the traps inside.]]
78* BecauseDestinySaysSo: This and about half of all FateAndProphecyTropes get smashed into bits by Dumbledore and Harry's discussion on TheProphecy. To make it short, there's no greater providence at work, being TheChosenOne is little more than a technicality, [[TheUnchosenOne Harry has no particular destiny to fulfil nor is there any higher power ensuring his success]], and he and Voldemort need to kill each other only because of [[ItsPersonal their mutual desire.]] It's also because Voldemort ''believes'' this trope is in effect, so he will do everything in his power to kill Harry. Because of this, [[SelfFulfillingProphecy in the end, Harry can only stop Voldemort by killing him.]]
79* BeneathSuspicion: Nobody believes Harry as he argues that Draco is a Death Eater plotting against them since Draco is mostly a joke to them by this point. [[spoiler:Dumbledore knows, but he has his own plans in place. And eventually Harry finds firmer evidence that Draco is up to something, which Hermione can't refute.]]
80* BerserkButton:
81** Harry implies that Dumbledore is leaving the school vulnerable whenever he goes searching for Horcruxes. Moments later he realises he has [[OhCrap crossed a line]] and Dumbledore, who is normally very understanding and accommodating with Harry's outbursts, is legitimately, if [[TranquilFury quietly]], angry with him for the first time.
82** Harry accidentally stumbling on Draco Malfoy in one of his more vulnerable moments immediately triggers a duel. This is wildly out of character for Draco, a DirtyCoward who almost always tries to avoid a fight with Harry in favor of using his privilege or trickery to one-up him, showing that he was just ''that'' pissed.
83** [[spoiler:Harry attempting to use the ''Levicorpus'' spell against Snape sends the latter reeling in outrage, one of the only times we ''ever'' see Snape loudly and passionately angry. Not only was he galled that Harry tried to use his own spell against him, but Harry's father (whom Harry strongly resembles) using that spell against him was a key moment in the most traumatic moment of his childhood.]]
84* BewareTheNiceOnes: While telling Harry about the Unbreakable Vow, Ron tells Harry about a time when Fred tried to make one with him but Mr. Weasley caught them in the act. Ron says that's the ''only'' time that he's ever seen Arthur become as angry as Molly.
85* TheBGrade: When the trio gets their O.W.L. results, Hermione is disappointed to find that she got ten "Outstanding" scores and an "Exceeds Expectations" in Defence Against the Dark Arts, much to Ron's amusement.
86* BigBadWannabe: [[spoiler:Every bad thing that happens at Hogwarts this year is caused by Draco Malfoy in his attempts to kill Dumbledore, but he can't really be considered the BigBad of the book as his reluctance and ineptitude at most of what he's doing keeps working against him.]]
87* BigBrotherInstinct:
88** While Harry is absolutely freaked out by Dumbledore’s reaction to drinking the potion, he doesn’t understand why he’s having such a strong reaction to it. He’s sobbing and pleading for someone to hurt him instead of “them”. Harry comes to find out that it’s actually this trope and he was living through [[spoiler:Grindelwald]] hurting his brother and sister. Harry doesn’t even know he had a sister at this point.
89** When Harry begins to realise his feelings for Ginny, he initially tries to explain them away to himself as this.
90* BigNo: Harry throws an epic one when it's announced that Snape is the new Defence Against the Dark Arts teacher.
91* BigShutUp: At the beginning, Dumbledore asks Harry to give Kreacher an order, to test whether he has properly inherited the House-Elf as Sirius intended. Due to Kreacher's incessant whining, all Harry can think of is to tell him to ''shut up already''. [[spoiler:The order sticks.]]
92* BilingualBonus: "Sectumsempra" is composed of two elements of Latin origin. "Sectum" means "cut" (the root of English words like ''dissect''). "Sempra" comes from "semper" (always, forever -- English speakers might know the Italian word "sempre" for its use as a musical annotation meaning "constant"). Its literal meaning of "cut forever" therefore indicates that its effect is to produce a WoundThatWillNotHeal. Snape, however, knows the counter-curse that allows the wounds to be healed and saves [[spoiler:Draco Malfoy's]] life after Harry casts the spell on him. [[spoiler:Because Snape invented it.]]
93* BirdPoopGag: After one Transfiguration class session, Harry tells Dean Thomas that he's chosen as a Gryffindor Quidditch Chaser, as a temporary replacement to Katie Bell, who's still in hospital at the time. Dean leaves in excitement, leaving Harry alone uncomfortably with Seamus Finnigan, whom Harry knows beforehand wouldn't like being glossed over as a potential Quidditch member (Harry notes internally that Dean had flown better than Seamus at tryouts). The moment only gets more awkward when one of the canaries Hermione conjures during said Transfiguration class session leaves a dropping on Seamus's head while the birds whizz over the boys.
94* BlatantLies: Hagrid is especially disappointed that the PowerTrio didn't go on to N.E.W.T. in Care of Magical Creatures; taking care of a dying Aragog at the same time doesn't help. Late in the first visit they pay him after they return to school, he mentions Wilhelmina Grubbly-Plank, who substituted for him during the previous two years and was much more professional than he ever was. Regardless, Harry, Ron, and Hermione hasten to invoke this trope when he mentions her, insisting that she was awful. The narration notes that by the time he sees them go back to the castle, "he look[s] quite cheerful."
95* BloodMagic:
96** As revealed by a memory given by Slughorn, one of the steps in creating a Horcrux is to commit murder.
97** Also, Dumbledore has to cut his own hand to enter a cave Voldemort has protected with Dark Magic. His main reaction is disappointment at Voldemort's lack of imagination. To exit the cave, Harry uses his own arm after receiving cuts on the rocks during the battle with the Inferi.
98* BoobyTrap: [[spoiler:Voldermort's locket Horcrux is placed behind a door that requires the one who enters it to spill their own blood, in the middle of an underground lake, in a basin filled with a potion that has to be drunk and affects the drinker in the same way that Dementors do. Oh, and the lake is filled with magically animated zombies who automatically attack anyone who breaches the water.]]
99* BrainlessBeauty: Hermione and the Weasley women seem to have this opinion of Fleur. Harry has to remind them that she was competent enough to be a Triwizard champion.
100* BreatherEpisode: Coming after the [[TyrantTakesTheHelm Umbridge-a-riffic]] fifth book, most of this book is a rather nice year for Harry in comparison to the previous two. By the standards of the later books, it's a pretty easy-going tale with a lot of exposition and teen angst, not to mention many jokes. However, it also manages to be more suspenseful ''because'' of the [[NothingIsScarier lull in the action]]. What is Draco up to? And why is Voldemort laying low? This tension creates a perfect lead up to the last few chapters, where it goes into full-on WhamEpisode mode. This leads straight into the final book, which is an [[CharactersDroppingLikeFlies absolute bloodbath]].
101* BrickJoke:
102** Ron's malfunctioning Spell-Checking Quill writes his name as "Roonil Wazlib". After Snape demands to see Harry's Potions book due to suspicion that he's cheating, Harry borrows Ron's copy, only to discover to his horror the misspelled name inside. [[BadLiar He tries and fails to pass it off as his nickname.]]
103** In the previous book, there's a joke where the Weasley twins claim that the lowest O.W.L. grade is T (for Troll) and Harry isn't sure if they're joking or not (it would, after all, be [[{{Troll}} their kind of humour]]). In the beginning of the present book, our main heroes receive their exam results and find Troll ''is'' a grade.
104** Cormac [=McLaggen=]'s absence from Quidditch trials the previous school year is explained by him saying he ate "a pound of Doxy eggs for a bet". The previous book mentions Fred and George pocketing several Doxys to experiment with their venom while cleaning out Grimmauld Place, implying they're the ones who set up and/or supplied the eggs for the bet.
105* TheBroCode: The source of about seventy per cent of Harry's angst this year. He realises he has feelings for Ginny but is convinced Ron would hate him for them (Ron's tendency towards MySisterIsOffLimits towards everyone else doesn't help). Harry does such a good job convincing himself that he ''must not'' go around with his best mate's sister that he completely misses Ron's hints that [[ShipperOnDeck he wants to see Harry and Ginny get together.]]
106* BrutalHonesty:
107** There is a short chain of this on the Hogwarts Express. After Harry says Dumbledore's Army won't meet this year, Luna says, "It was like having friends," which embarrasses Harry momentarily. Then, when Romilda enters Harry's compartment, he dismisses her by noting that Neville and Luna are his friends. Luna notes, "People expect you to have cooler friends than us," but Harry reinforces his sentiment by reminding her that she is a CrouchingMoronHiddenBadass -- they'd gone to the Ministry with him the previous summer.
108** Later in the book, Luna observes that while Ron "says very funny things sometimes", he "can be a bit unkind". Harry feels uncomfortable upon realizing the accuracy of Luna's observation about his best friend.
109* BuyOrGetLost: This is the treatment that Hermione Granger gets when visiting Borgin and Burkes. However, given that her visit is a poorly disguised attempt to snoop on what Draco Malfoy was doing there minutes before, it's hardly surprising.
110* BusCrash: [[spoiler:Igor Karkaroff, who's been MIA since the ending of ''Goblet of Fire'', is KilledOffscreen by Death Eaters during the early chapters of this book. Justified, as hunting down the traitor who sold out so many of the Death Eaters ''was'' one of Voldemort's post-resurrection priorities. While Karkaroff's death was thus a ForegoneConclusion, Lupin's still surprised Karkaroff actually managed to evade Voldemort and stay alive for over a year.]]
111[[/folder]]
112
113[[folder:C–D]]
114* CallBack:
115** Just as [[IgnoredExpert Dumbledore had warned him]] at the end of [[Literature/HarryPotterAndTheGobletOfFire the fourth book]], Cornelius Fudge's HeadInTheSandManagement and refusal to acknowledge that Voldemort had returned utterly destroyed his approval in the magical community, resulting in him being declared one of history's worst Ministers for Magic and thus ResignedInDisgrace.
116** Early in this book, Harry going to Diagon Alley with Hagrid and meeting Draco in Madam Malkin's … only Diagon Alley is no longer the wonderful wizard bazaar of [[Literature/HarryPotterAndThePhilosophersStone the first book]], but under war conditions.
117** Harry Potter tries to convince his two closest friends they can't come on his mission to stop the villains, only for one of them to remind Harry he tried to do the same thing five books before and they refused to let him face evil alone.
118--->"You said it once before," said Hermione quickly, "that there was time to turn back if we wanted to. We've had time, haven't we? We're with you whatever happens."
119** The most notable call-backs from this book go all the way back to ''Philosopher's Stone'' -- ''everything'' from Snape's first Potions class becomes relevant. Interestingly enough, Harry doesn't remember this information from that lecture but rather gets it from the Half-Blood Prince's marginalia. [[spoiler:This foreshadows subtly that they are the same person.]]
120** Harry once again finds himself in Dumbledore's office after a personal bombshell (this time, upon learning that [[spoiler:Snape was the Death Eater who overheard the prophecy that led to Harry's parents' murders]]). This time around, he's able to keep his emotions much more under control, which takes some effort, given what he just learned.
121* CallingYourAttacks: Mostly played straight, as in the previous books, but {{averted|Trope}} when non-verbal spells become part of the Defence Against the Dark Arts curriculum. Special mentions to the spell ''Levicorpus'', which apparently can ''only'' be cast non-verbally.
122* CantKillYouStillNeedYou:
123** During the Spinner's End argument, Snape cites this as part of why he didn't try to kill Harry once he arrived at Hogwarts. No matter how much he despises the Boy Who Lived (as James Potter's son and the bane of the Dark Lord), Harry ''is'' Dumbledore's favorite pupil. Snape knew better than to succumb to temptation, knowing killing Harry or even allowing him to be killed would mean the end of Dumbledore's GetOutOfJailFreeCard (which was keeping Snape out of Azkaban). Snape has tried to get around this by lobbying for Harry's expulsion from the school. According to Snape, Voldemort doesn't hold any of this against his servant (between being able to use Harry's blood for his regeneration and Snape being able to preserve his deep cover status within Dumbledore's inner circle).
124** A retroactive variation after the revelations of ''Deathly Hallows'' with [[spoiler:Snape and Wormtail. By this point in the narrative, Snape now knows it was Wormtail, not Sirius, who betrayed Lily to Voldemort. However, Snape ''can't'' kill Wormtail in revenge without risking his deep cover -- or rather, he probably ''could'' get away with it (as ''everybody'' in the Death Eaters [[TheFriendNobodyLikes despises Pettigrew]]), but it's not worth the risk (and, while not stated, Dumbledore may have ordered Snape to leave it be for now). In the meantime, however, Snape ''can'' make Pettigrew's life a living hell by forcing him to do degrading, menial tasks like cleaning his home and fetching drinks.]]
125* CaptainObvious:
126** Harry saying "Ghosts are transparent." Though Snape somewhat baited him into saying it by asking him what distinguishes them from Inferi (zombies), yet Snape still snarks, "Yes, it is easy to see that nearly six years of magical education have not been wasted on you, Potter."
127** The source of "You can't break an Unbreakable Vow." Harry snarks that he'd worked that much out for himself, and asks Ron what happens if you DO break it. "You die."
128* TheCassandra: When Harry insists that Malfoy and Snape are up to something, everyone -- including [=McGonagall=], Hagrid, Ron, and Hermione -- quickly dismisses his claims, because every year Harry accuses Malfoy and Snape and every year he's been wrong. [[spoiler:He proves to be right this time, although the seventh book reveals the situation to be more complicated than he guessed.]]
129* CassandraTruth: Harry, dear, when you accuse someone of something it helps to have actual evidence backing it up. Somewhat subverted at the end, which reveals that [[spoiler:Dumbledore was fully aware of Draco and what he was trying to do, if not exactly how, but it suited his plans to let Draco come after him, to protect him from Voldemort's wrath.]]
130* CerebusSyndrome: InUniverse, ''Weasley's Wizard Wheezes'' went through a very rapid case of this trope. Fred and George created a "Shield Hat" as a gag -- invite a friend to test a jinx on you, and laugh as the built-in ''Protego'' makes it bounce back on them. [[LethalJokeItem It turns into their best-selling item]] when the Ministry places a bulk order [[NotTheIntendedUse because some of them can't even cast a decent Shield Charm for themselves]]. Shield Hats become whole Shield Charm wardrobes become an entire Defence Against the Dark Arts line.
131* CheatersNeverProsper: Three examples. One inversion, one subversion, one zig-zag.
132** First, Hermione uses a Confundus Charm on Cormac to make him miss his last block, ensuring Ron gets to play Keeper for Gryffindor's Quidditch team.
133** Second, Harry puts Felix Felicis in Ron's drink, which is forbidden; however, it turns out he didn't actually put it in. Ron only thought it did, and it [[MagicFeather gave him the confidence boost he needed to win.]] While the plan worked, Ron mocks Hermione's earlier attempts to stop Harry from putting the potion in his drink and then makes out with Lavender, hurting her badly.
134** Third, Hermione thinks Harry is cheating by using the Half-Blood Prince's notes in his old book, since they're not Harry's notes and Harry didn't put the work in himself (and indeed, when bereft of the book or when it has no useful advice for the topic at hand, Harry's skills plummet precipitously). Harry and Ron claim they don't think it's cheating … but they ''know'' not everyone would agree with their reasoning, because they take pains to keep the book hidden, and they believe there's at least a fair chance Harry would get in trouble if it was known where [[SuddenlyAlwaysKnewThat his sudden Potions expertise]] comes from.
135* ChekhovsArmory: Half the stuff in Weasleys' Wizard Wheezes comes back in some way, either in this book or the next. [[spoiler:Love Potions end up leading to Ron getting poisoned, and Peruvian Instant Darkness Powder has a ''major'' payoff in the Battle of the Astronomy Tower. Decoy Detonators come back relatively early in the next book, and some of these joke products are included in the Trio's gear to facilitate their clean getaways throughout the next book.]]
136* ChekhovsGun: The series [[ChekhovsGun/HarryPotter has its own page.]]
137* ChekhovsGunman: Montague, a Slytherin from the last book who was only mentioned because Fred and George stuffed him in a disappearing closet, [[spoiler:[[UnwittingInstigatorOfDoom unintentionally giving Malfoy a plan]] to smuggle Death Eaters into Hogwarts]].
138* ChickMagnet: Harry himself, to his bemusement. Now that Harry has been vindicated and everyone can see the scars Umbridge made him carve into his own hand, he suddenly has a small mob of fangirls. Having gone through another growth spurt over the summer doesn't hurt either.
139* ChocolateOfRomance: Romilda Vane attempts to give LovePotion-infused chocolates to Harry. He puts them in his trunk, forgets about them until Ron ends up eating them, and ''he'' promptly falls in love with her.
140* ChoreCharacterExploration: Harry and Ron have an important conversation about Snape while peeling sprouts at The Burrow during the Christmas break.
141* ChoresWithoutPowers: After Harry [[spoiler:uses the ''Sectumsempra'' curse on Malfoy and ends up hospitalizing him]], he is punished with being sent to the school's archive to copy out the records of crimes and punishments from years ago without using magic.
142* TheChosenOne: People start calling Harry this after Lord Voldemort's return is made public, and it's true, even if it was Voldemort who did the choosing. Harry even says "I am the chosen one" as he finally talks Slughorn into coughing up the memory on which the story's arc hangs.
143* {{Chuunibyou}}: The titular Prince came up with his identity in his teenage years as a way to get back at his Muggle father (hence half-blood) by using his witch mother's last name. He was known to run around with a gang of people who would later become the first Death Eaters and came up with some very nasty spells. [[spoiler:He's better known as Severus Snape.]]
144* {{Cliffhanger}}: [[spoiler:After Dumbledore's funeral, Harry declares that even if Hogwarts reopens, he won't go back. He's going back to the Dursleys' one last time before starting his mission to find the rest of Voldemort's Horcruxes. Ron and Hermione tell him they'll join him.]]
145* CloakOfDefense: One of the products the Weasley twins sell through their company is a Shield Cloak. As the name implies, it is a cloak enchanted with a Shield Charm that makes the wearer immune to weak-to-moderate-strength jinxes and hexes. That product line was originally imagined as a prank (dare your friends to jinx you and have a laugh when it backfires), but as it was released in the middle of a war, it wound up being far more popular as body armour.
146* ComicallyMissingThePoint: When Dumbledore says that the best that can be said about the Dursleys' treatment of Harry is that he at least escaped "the appalling damage you have inflicted on the unfortunate boy sitting between you," Vernon and Petunia reflexively look at Dudley, as if expecting to see some other boy sitting there, since Dumbledore can't ''possibly'' be suggesting they've been anything other than sterling parents to him. Dudley himself looks severely confused, too, as if trying to recall any moments in his life when his parents had treated him badly.
147* TheComplainerIsAlwaysWrong: From the events at Knockturn Alley onward, Harry is convinced that Draco Malfoy has become a Death Eater. Ron and Hermione are sceptical initially, then get more and more annoyed as the story goes on at Harry's conviction of it, not helped that all the teachers and Dumbledore dismiss of his theory, which fuels Ron and Hermione's annoyance at Harry for not letting it go. [[spoiler:But averted when it turns out Harry was right all along. Dumbledore and teachers affiliated with the Order of the Phoenix knew and had evidence to boot, but they didn't think it was really Harry's business going after a fellow student.]]
148* CompletelyOffTopicReport: When new Quidditch commentator Zacharias Smith is unable to report on the Gryffindor–Hufflepuff match (having to play in it), [[CloudCuckoolander Luna Lovegood]] volunteers to replace him. During the match, she talks about things like interesting clouds and whether Zacharias suffers from something called "Loser's Lurgy", but never about the action or the score of the game.
149* ComplimentBackfire: Ron praises Luna for her performance as a commentator in the Quidditch match mentioned above. Ron is sincere, but Luna isn't so sure since everybody else tells her she did poorly.
150* ConfidenceBuildingScheme: Harry fakes using his bottle of Felix Felicis on Ron before a Quidditch match. Ron has severe confidence issues in his ability to be a Keeper, despite backstopping Gryffindor to a Quidditch Cup win the previous year. With a little unwitting help from Hermione, who thinks Harry didn't fake the Felix Felicis use, not to mention some strange coincidences before the match, Ron eventually also buys in, believing Harry has given him the luck he so desperately needs, and this placebo enables him to keep Slytherin from scoring any goals at all, with Gryffindor winning 250–0. After the match, Harry reveals to Ron that he did it all with no help from the Felix Felicis because he hadn't actually drunk it. While Ron ends up out of the next game, he comes back for the final match of the season, and [[spoiler:although he allows several goals to Ravenclaw, Gryffindor are comfortably ahead when Ginny Weasley catches the Snitch to win the match 450–140]].
151* ContinuityNod:
152** When Harry offers Ron a drink spiked with [[spoiler:absolutely nothing, but he wants Ron to ''think'' Harry spiked it with Felix Felicis]], he says "Coffee? Tea? Pumpkin juice?" Exactly the same thing Umbridge had said to him the previous book when she was trying to get Harry to drink Veritaserum.
153** At the beginning of the book, Dumbledore tells Harry that before he was forced to resign, Fudge asked him to tell Harry that he would appreciate his support for the Ministry. Harry is flabbergasted that Fudge would think that he would support the Ministry of Magic after all the aggravations they imposed on him the year before, particularly ''Umbridge''. Dumbledore, to his credit, told Fudge that there was no chance of him getting Harry's support.
154* ContrivedCoincidence: If it is indeed chance and not one of Dumbledore's {{Gambit Roulette}}s, Harry happening to find the Half-Blood Prince's old Potions book,[[note]]That happened only because Slughorn, not Snape, is teaching Potions that year, and Slughorn then handed him the old book from a box containing several copies.[[/note]] which won him Felix Felicis ''and'' saved Ron from dying, would qualify. In addition, both of Draco Malfoy's assassination attempts end up nearly killing the wrong person due to contrived coincidences (although it is highly unlikely they would have reached their intended target in any case).
155* CoolAndUnusualPunishment:
156** Fred and George have an unusual punishment for a Gnome which invades their garden: petrifying it, decorating it, and using it as the angel on the Christmas tree. They consider a similar punishment for their mother in the following book: at their wedding, telling everyone they can wear what they like, and putting a full Body-Bind Curse on her until it's over.
157** The cruel punishment Snape inflicts on Harry for using the Sectumsempra curse on Malfoy: making Harry copy out the crimes and punishments from years ago, which are mostly related to his father, to "add interest to the task."
158* CurbStompBattle:
159** All the Quidditch matches involving Gryffindor have large margins of victory. They beat Slytherin 250–0, lose to Hufflepuff 320–60, and [[spoiler:beat]] Ravenclaw 450–140.
160** More seriously, [[spoiler:besides Snape's bout with Lockhart in ''Chamber of Secrets'', Harry versus Snape is quite possibly the single most one-sided duel in the series. The fact that Snape is using Legilimency to see what spells Harry is going to cast ''before he casts them'' just makes it even more pathetic. Made worse still in that Snape kept telling Harry to clear his mind if he wanted any chance on beating him; i.e., attempting to teach him a lesson while kicking his arse.]]
161* DangerousForbiddenTechnique: The creation of a Horcrux is so forbidden that there's next to no information on how to do it besides "kill somebody in cold blood". Hermione searches the immense Hogwarts library, and finds only one mention of them, which gives no information other than that there's something out there with this name, and it's really bad (implied to be a MoralEventHorizon,[[invoked]] or nearly so).
162* DarkerAndEdgier: ''Half-Blood Prince'' isn't as emotionally charged as ''Order of the Phoenix'', but it more than makes up for this by being set against the backdrop of a truly dire period for Wizards and Muggles alike. Atrocities happen at such a high frequency that their coverage is almost passive in tone, thereby implying that this state of terror is the new norm now that Voldemort and his followers are once again at large. That's not even mentioning the [[spoiler:death of Dumbledore in the last few chapters.]]
163* DarkIsEvil: Snape, the new Defence Against the Dark Arts teacher, imparts his personality onto the classroom and adorns the walls with plenty of pictures showing the various horrid things that happen to anyone who runs afoul of the terror of the Dark Arts.
164* DeadAnimalWarning: Two cases, one shown and one implied, both in {{Pensieve Flashback}}s:
165** Bob Ogden from the Ministry of Magic visits the Gaunt home and finds a snake nailed to the door. The house has some decidedly unlovely residents.
166** When Dumbledore visits the orphanage where [[BigBad Tom Riddle]] was raised, the matron discusses an incident in which he was accused of hanging another child's pet rabbit from the rafters after the rabbit's owner annoyed him. [[OffOnATechnicality The accusations had to be dropped because they couldn't prove that he climbed into the rafters to do it]], not realizing he was a wizard.
167* DeadManWriting: The mysterious R.A.B. writes a letter to Voldemort which begins with R.A.B. musing that he's probably been killed by the time the Dark Lord has read the letter. In a twist, Voldemort never reads the letter since Harry finds it before the Dark Lord can.
168* {{Dedication}}: Rowling said that this book and her youngest daughter, Mackenzie, "were racing each other into the world", so she issued this dedication:
169-->To Mackenzie,\
170My beautiful daughter,\
171I dedicate\
172Her ink-and-paper twin
173* DeepCoverAgent: During the Spinner's End sequence, this is cited as a major part of why Voldemort forgave Snape when he returned to the fold after ''Goblet''. Snape originally took the post at Hogwarts to spy on Dumbledore -- and ended up remaining stranded behind enemy lines, so to speak, after Voldemort's downfall. By exploiting Dumbledore's protection to stay out of Azkaban, Snape was able to remain at Hogwarts as an unintentional deep cover agent throughout the duration of Voldemort's exile. In that time, he managed to not only gain the Headmaster's full trust, but observe and gather 15 years worth of intel on Dumbledore -- something that made him invaluable to Voldemort's plans for the Second Wizarding War once it became clear the Dark Lord was about to return. This is also why Snape didn't initially respond Voldemort's summons in ''Goblet'' until hours later: to preserve his deep cover role and "return" on Dumbledore's orders. [[spoiler:''Deathly Hallows'' will subsequently reveal all of this was deliberately orchestrated by Snape and Dumbledore. They were enhancing Snape's profile and making him an invaluable servant that Voldemort would let into his inner circle.]]
174* DespairSpeech: Slughorn gives one of these when he agrees to give Harry his memory about Tom Riddle.
175* DestinationDefenestration: In the Prime Minister's flashback to his introduction to Fudge, the latter notes that the former's immediate predecessor attempted this on him, having "thought [he] was a hoax planted by the Opposition." (It should have been UsefulNotes/MargaretThatcher if the books matched real life perfectly -- this story begins in summer 1996, when UsefulNotes/JohnMajor was PM -- but Fudge refers to the character as a male.)
176* DidIJustSayThatOutLoud: Harry has several foot-in-mouth moments in his sixth year.
177** During his first D.A.D.A. lesson under Snape's condescending tutelage, he blurts this gem of a zinger out of frustration, which got him both the approval of several of his mates and detention with Snape.
178--->'''Snape:''' Do you remember me telling you we are practicing ''non-verbal'' spells, Potter?\
179'''Harry:''' Yes.\
180'''Snape:''' "Yes, ''sir''."\
181'''Harry:''' There's no need to call me "sir", Professor.
182** Looking at past Dumbledore's "[[ImpossiblyTackyClothes flamboyantly cut suit of plum velvet]]", Harry snarks at how [[SarcasmMode nice]] it looks. Lucky for Harry, present-day Dumbledore has [[IWasQuiteAFashionVictim a good-hearted chuckle]] at the jape.
183** With the pressure on to find a date for Slughorn's party before falling victim to an admirer's love potion, Harry surprises himself by asking Luna Lovegood. He hastens to clarify that it would be as friends, and manages to keep his hopes that she'd refuse to himself.
184* DisappointedInYou: When Harry disappoints Dumbledore by not making much of an effort to get a memory from Slughorn, he would have preferred him to yell; "this cold disappointment was worse than anything."
185* DiscouragingConcealment: When Harry is discouraged by the thought of having to look for a [[SoulJar Horcrux]] that could be literally any object, Dumbledore notes that an egocentric like Voldemort [[DefiedTrope would never do such a thing]] with an object that contain a part of his soul, as the Horcruxes are indeed objects of great historical or personal significance like a tiara or cup that belonged to the Hogwarts founders, Voldemort's snake or his teenage diary.
186* DisproportionateRetribution:
187** Hermione's SNEAK jinx in the previous book takes on a whole new level of menace when, months after being jinxed, Marietta still has the scars. By WordOfGod,[[invoked]] they will never come off.
188** Snape docks Harry seventy points from Gryffindor for the “egregious” crimes of being late for the welcome feast and wearing Muggle attire.
189** In response to Fred's taunts about Lavender, Ron ''throws a knife at him''. Luckily, Fred has quick reflexes and a good grasp of Transfiguration skills and instantly turns it into a paper aeroplane.
190* DoesThisRemindYouOfAnything
191** The circumstances of Voldemort's birth. Merope basically [[SlippingAMickey drugged]] Tom.
192** Take away the fantasy elements and you will find that [[JerkAss Draco Malfoy]] basically joins a terrorist cult, commits at least two assassination attempts, which failed and nearly killed others, and in the climax, he starts the equivalent of a school shooting.
193** The plot of Harry obtaining Slughorn's memory is basically seduction. In the film, Harry even calls it "let [Slughorn] collect [him]".
194* DoubleStandardAbuseFemaleOnMale: To say the least of the infamous bird attack scene. Many RonTheDeathEater[[invoked]] fanfics will have Ron attack Hermione in a fit of jealousy. Hermione's attack on Ron ''in canon'' is mostly swept under the rug.[[note]]While both sides ''are'' portrayed as being petty, Hermione is still never called out on for resorting to violence.[[/note]] The film at least softens this, so that the birds don't hurt Ron as in the books.
195* DoubleStandardRapeFemaleOnMale:
196** The love potions. They're basically the wizarding world equivalent of date rape drugs. However, using them is portrayed as sweet and innocent because it's the girls using them on the boys. Just imagine the uproar of the MoralGuardians if any of [[DoubleStandard the boys were shown using them on the girls]].
197** Deconstructed and subverted with [[spoiler:Merope's rape of Voldemort's father]], which is portrayed as a ''very bad thing''. The reason it's played for laughs with Ron is that Harry kept anything untoward from happening. And it's possible the DoubleStandard exists in the HP universe, and [[spoiler:Merope was put in ''deliberately'', to highlight it.]] Moreover, ''Harry'' certainly doesn't consider love potions "sweet and innocent", no matter ''who'' uses them -- in fact, he actually compares them to Dark Magic at one point. (As they can be used to make one act against one's usual being, Harry probably has a point, especially as he felt the Imperius Curse [[Literature/HarryPotterAndTheGobletOfFire two years before]].)
198* DrunkenSong: When Hagrid and Horace get drunk at Aragog's funeral, they sing a song called "Odo the Hero".
199* DueToTheDead: Most of the wizarding community attends the funeral at the end of the book.
200[[/folder]]
201
202[[folder:E–G]]
203* EarAche: Filch, upon spotting Malfoy being out in the Hogwarts corridor in the nighttime without an invitation to Slughorn's party, drags him by the ear to meet Slughorn. To Filch's disappointment, Slughorn lets Malfoy stay without applying any disciplinary actions on the latter, but Snape soon calls him away for other reasons.
204* EasilyForgiven:
205** Averted with Harry's relationship with the Ministry of Magic. While Rufus Scrimgeour (sort of) tries to patch things up, Fudge's smear campaign, the way Umbridge terrorized the school, the new Minister's continuance of policies favoured by Fudge and Barty Crouch, Sr., and the Ministry's many morally questionable actions of the past few years leave the schism between Harry and Ministry wide open for the remainder of the series. Scrimgeour's mere mention that [[NotHelpingYourCase Umbridge is still at the Ministry]] is enough to enrage Harry.
206** Justified and deconstructed when Snape notes that while Voldemort was ''not'' happy that his Death Eaters had abandoned him (and, as we saw in ''[[Literature/HarryPotterAndTheGobletOfFire Goblet of Fire]]'', was intent on exacting thirteen years of penance from them), circumstances forced him to be pragmatic. After all, if he hadn't forgiven those who lost faith, Voldemort would have been left with only a handful of lieutenants to support him in the Second Wizarding War.
207** [[PlayingWithATrope Played with]] in an odd way concerning Percy not making peace with his family after he was proven wrong. As Hermione explains, "Dumbledore says people find it far easier to forgive others for being wrong than being right." Of course, it's also {{subverted|Trope}} when Percy reluctantly shows up for Christmas dinner and learns that, apart from his mum, nobody else is in a forgiving mood.
208* EloquentInMyNativeTongue: Although the Gaunts can speak English, their preferred language is clearly Parseltongue, and they flip back to it whenever possible. It shows: when speaking in English, the male Gaunts sound crude and uneducated, but when in Parseltongue, their vocabulary somewhat reflects the high-born lineage to which the Gaunts aspire.
209* EnlightenedSelfInterest: Practised by Professor Slughorn. Being a NiceGuy from the otherwise unsavoury and self-interested Slytherin House, he'll often help people he thinks would have potential to become great (like Harry) so that he will gain some benefit some way or another later. This backfired with [[BigBad Tom "Lord Voldemort" Riddle]], to whom he provided information on unspeakable DarkMagic, which he regards as MyGreatestFailure.
210* EntertaininglyWrong:
211** Molly Weasley's kids know that she disapproves of Fleur and Bill's engagement. They also know that Molly has been inviting Tonks over more frequently than usual. They conclude that Molly is trying to get Bill to fall for Tonks and marry her instead of Fleur. [[spoiler:In fact, Molly has been trying to cheer up Tonks and help her with her relationship with Lupin, who has started pushing her away due to his hangups about being a werewolf. She does still disapprove of Bill and Fleur's relationship, though she comes to accept it at the end of the book.]]
212** Speaking of Tonks … after Harry encounters Tonks inside Hogwarts, he speculates to Ron and Hermione that Tonks might have been in love with Sirius, the reasons being that: (A) Tonks was nearly in tears after Harry mentioned Sirius's name, and (B) her Patronus resembles a four-legged entity nowadays. Near the end of the year, Tonks confesses her love for everyone within earshot (including Harry) to hear, prompting Harry to realise that he was right about Tonks being in love; he was mistaken only about with whom she's in love.
213* EtTuBrute: [[spoiler:When Dumbledore sees Snape rearing to kill him, Dumbledore can do little but beg Snape not to carry through with the act, at least from Harry's point of view. In the next book, it's revealed that Dumbledore had asked for Snape's word that he would kill him should said situation arise. He was actually pleading for Snape to keep his word and kill him to spare Malfoy from having to do it.]]
214* EvenEvilHasStandards:
215** Even most books of Dark spells are reluctant to elaborate on the nature or creation of Horcruxes. This is subverted in the next book, when it turns out that some books ''do'' cover it. Dumbledore pulled them from the shelves after Voldemort came to power; Hermione only found them by Summoning them from his office.
216** In one of the first chapters, Narcissa goes to see Snape about Draco's predicament because he's one of the few people she can trust. Narcissa tells Bellatrix in no uncertain terms that if Snape says no, she's going to Dumbledore next. Despite Bellatrix's fantastical devotion to Voldemort and intense distrust of Snape, she doesn't rat Narcissa out to the former because she'd be betraying her sister. She even begrudgingly does the unbreakable oath between Narcissa and Snape.
217** Malfoy's ultimate plan is to allow the Death Eaters to infiltrate Hogwarts, but he's shocked and horrified to learn that Fenrir Greyback is among them. When Dumbledore points this out, Draco even seems ashamed of the fact.
218* EveryoneCanSeeIt: Ron and Hermione.
219* EveryoneHasStandards:
220** While he loves to network and has contacts at the Ministry practically coming out his ears, even Slughorn has no love for Dolores Umbridge and outright calls her an "idiotic woman" whom he "never liked."
221** Played for BlackComedy when Dumbledore deduces Voldemort's method for accessing the Horcrux cave. From Harry's POV, Dumbledore is disappointed and even a little disgusted at such crudity (and how it's beneath the usual standards Dumbledore's come to expect from him).
222* EvilIsCool: Used InUniverse with Snape, the new Dark Arts teacher. Harry, upon hearing him talk about the Dark Arts, thinks, "''It was surely one thing to respect the Dark Arts as a dangerous enemy, another to speak of them with a loving caress in his voice?''"
223* EvilIsNotAToy: Draco is proud to be working for Voldemort … at first, anyway.
224** An unintentional example as Harry didn't know precisely what he was messing with, but [[spoiler:using an unknown curse he finds in the Half-Blood Prince's old copy of ''Advanced Potion-Making'' with only the description "for enemies" to guide him leaves him shocked and appalled when it carves up Draco Malfoy's chest like turducken]].
225* EvilIsPetty: [[spoiler:Voldemort apparently put a curse on the Defence Against the Dark Arts position because Dumbledore wouldn't give him the job when he attempted to reapply.]] In this instance, it's not too surprising considering [[spoiler:it prevented Voldemort from acquiring relics of the founders he could use as potential Horcruxes.]]
226* ExactWords:
227** After seeing Ron throw a knife at Fred, Molly warns Ron not to let her see him throwing knives at anyone again. Ron promises he won't but adds under his breath "let you see me."
228** Harry and his friends spend time wondering who this Half-Blood Prince is. They think that he's a member of royalty, but Lupin disabuses them, telling them wizards have no princes. [[spoiler:It turns out to be Severus Snape, as he is a child of witch Eileen Prince and Muggle Tobias Snape, therefore he is literally Half-Blood Prince on his mother's side of the line.]]
229** During the first Voldemort Profiling session, Harry understandably gets a little miffed when Dumbledore says the point of these lessons is to give Harry crucial information. Harry rightly reminds the Headmaster of what he said at the end of the last book during the closing revelations: that Dumbledore was going to tell Harry ''everything''. Dumbledore placidly counters he ''did'' tell Harry everything -- or rather, everything he knew ''for certain''. With these lessons, however, they're now jumping from a factual foundation into theoretical guesswork.
230* ExplainExplainOhCrap: Dumbledore reveals to Harry [[spoiler:during the Horcrux revelation sequence that he went through a version of this after ''Chamber of the Secrets''. Dumbledore correctly deduced Riddle's Diary wasn't a mere enchanted fragment of memory, but was actually a Horcrux. This finally explained how Voldemort had survived the attempted murder of Harry despite the physical destruction of his body. Problem was, the more Dumbledore thought it through, he realized this revelation only raised ''more'' questions than it answered. The whole point of a Horcrux is to safeguard that precious fragment of soul, yet Voldemort was uncharacteristically sloppy and careless with his. Hell, he even treated the diary as much as a weapon as a safeguard; he ran the risk of it being discovered and destroyed just for the sake of reopening the Chamber of Secrets and unleashing the Basilisk again down the road (as indeed ultimately happened). But why would Voldemort do that...unless...this wasn't the ''only'' fragment of his soul? What if he ''had'' made, or been planning to make, ''more'' Horcruxes?]]
231* FakeMemories:
232** Horace has (badly) [[SelfServingMemory covered up his own memories]] of giving the young Voldemort information about dark magic.
233** Voldemort gave Morfin and Hokey false memories of killing some of his own victims.
234* FantasticRacism: [[FantasticRacism/HarryPotter The series has its own page.]]
235* FiveSecondForeshadowing: Right before entering the FakeMemories Dumbledore received from Slughorn, Harry notices that they are noticeably different from other memories he's seen, as if they had congealed instead of being gas-like.
236* FlashbackBPlot: The book alternates between Harry's sixth year at Hogwarts and Voldemort's origins through {{Pensieve Flashback}}s, though this could be considered more of a [[FramingDevice Frame Story]] depending on how you look at it.
237* {{Foreshadowing}}:
238** Hagrid mentions overhearing Dumbledore and Snape getting into an argument regarding a task Dumbledore entrusted Snape with. The next book reveals that the 'task' was in fact [[spoiler:Snape's 'betrayal' and murder of Dumbledore, although it's more complex, being more comparable to Assisted Suicide as Dumbledore was dying anyway from the curse on Marvolo's ring]].
239** When Harry catches a whiff of a love potion (which smells different to everyone "according to what attracts us"), he notes that it is a bit familiar, and he has smelled it around the Burrow. Shortly afterward, he notices that it's Ginny's perfume. Later, he begins to develop serious feelings for her.
240** During his first Hogsmeade weekend Harry sees the bartender of the Hog’s Head walking away from Mundungus Fletcher, just before learning that Mundungus has been selling off items from Grimmauld Place. [[spoiler:The following book reveals that Aberforth bought Sirius’ two-way mirror off him, on Albus' strong suggestion.]]
241** At one point Harry, Ron, and Hermione pass a small girl carrying a set of scales examining a portrait of trolls in tutus, apparently scaring her into dropping them. Observant readers might remember that said portrait was first mentioned in the previous book as the portrait right outside of the Room of Requirement. [[spoiler:Said girl was either Crabbe or Goyle under the effects of Polyjuice Potion keeping a lookout for Malfoy, who was inside the Room of Requirement.]]
242** During the argument in Spinner's End, Bellatrix claims that Voldemort, at some point, entrusted her with his most precious ''something'', but doesn't elaborate. It won't be clear until the next book what she's talking about: [[spoiler:the Hufflepuff Cup turned Horcrux in the Lestranges' Gringotts vault.]]
243** In the Christmas chapter: "She [Molly Weasley] gave Lupin an annoyed look, as though it was all his fault she was getting Fleur for a daughter-in-law instead of Tonks." [[spoiler:She's annoyed with him refusing to admit his feelings for Tonks based on his age or his lycanthropy.]]
244** Dumbledore reveals that after he turned down hiring Voldemort as Defence Against the Dark Arts teacher, the latter cursed the position, meaning nobody could hold it for more than one school year. Although the book does not expressly bring it up, it does beg the question of why Snape was given the post this year, even taking into account the fact that Dumbledore wanted Slughorn back at Hogwarts. [[spoiler:It's because Dumbledore knew Snape would no longer be at the school by the end of the year anyway.]]
245** Horace Slughorn says he had a House-Elf test every one of his remaining bottles of mead for poison. In the next book, Harry learns that [[spoiler:Voldemort once used Kreacher to test the potion defence for the Horcrux locket in the cave. Hopefully, Slughorn would not have left a poisoned House-Elf to die like Voldemort did to Kreacher.]]
246** Snape could reverse the Sectumsempra curse, invented by the Half-Blood Prince, forced onto Malfoy by Harry. [[spoiler:It turned out that Snape was the Half-Blood Prince, thus allowing him to reverse his invented spells and curses easily.]]
247** Upon meeting Petunia, Dumbledore mentions that they have corresponded. Harry, of course, thinks he's reminding her of the Howler he sent her in the previous book, but in the next book, Harry learns that, [[spoiler:as a child, Petunia wrote to Dumbledore and begged him to let her attend Hogwarts like Lily. He wrote her back, kindly refusing her request.]]
248** During their first Voldemort profiling session, Dumbledore gives Harry permission to share this information with Ron and Hermione. He tells a surprised Harry that both his friends have proven themselves trustworthy with such sensitive information. [[spoiler:Dumbledore knows he'll be dead by year's end and the odds of locating all the remaining Horcruxes in time aren't good. It'll be up to Harry to pick up the hunt -- and he knows Ron and Hermione will insist on being part of it. It's better that the entire Trio be up to speed here and now and ready to hit the ground running once Dumbledore's gone.]]
249*** While he gives Harry permission to brief Ron and Hermione on the profiling sessions, Dumbledore also cautions Harry to have them keep such sensitive information to themselves. He doesn't want word getting around about how much he knows or suspects about Voldemort's past and secrets. [[spoiler:Specifically, Dumbledore doesn't want Voldemort to realize his greatest enemies knows all about his Horcruxes. Granted, it's all but inevitable that Voldemort ''will'' eventually figure it out -- but in the interim, Dumbledore's understandably trying to preserve their secret advantage as long as possible in the hopes they can get to all the remaining Horcruxes in time.]]
250** During their first meeting at Wool's Orphanage, Dumbledore proves he himself is a wizard as well as Tom by setting his cupboard on fire, Tom then asks with greed, "Where can I get one of them" pointing at Dumbledore's wand, wanting one for himself. [[spoiler:Decades later, Voldemort goes after Dumbledore's wand specifically after learning it is the ''Elder Wand'', the most powerful wand ever made, in the hopes that he could finally kill Harry with it and become the ultimate wizard with its great power at his command in the final book.]]
251* FreeSamplePlotCoupon: After Dumbledore tells Harry about the importance of destroying Horcruxes, the latter is concerned about the potential difficulty of finding said artifacts in the first place, but then the Headmaster reveals that he had already destroyed Marvolo's ring and that Harry himself had destroyed Riddle's diary in ''Chamber of Secrets'', so there are only four more Horcruxes to worry about. [[spoiler:Or rather, five.]]
252* FriendVersusLover: Hermione versus Lavender and Ginny versus Ron.
253* GangOfBullies: It turns out that Tom Riddle was already recruiting followers while he was still a student. According to Dumbledore, members of this gang ended up becoming the first Death Eaters.
254* {{Geas}}: As established in ''Prisoner of Azkaban'', the Fidelius Charm prevents anyone other than the Secret Keeper from divulging the enchanted secret. This of course means that despite being undercover inside the Order of the Phoenix, Snape ''cannot'' reveal their HQ's location to Voldemort (due to Dumbledore employing the Charm to protect the Order). Voldemort accepts there's no getting around it for the foreseeable future (and Snape at least has been able to compensate by passing on information and intelligence not protected by the Charm).
255* GenderBender: This is the first time in the series it is stated that Polyjuice Potion can give a drinker the identity of someone of the opposite sex. [[spoiler:Harry deduces that Draco stole some of Slughorn's Polyjuice Potion and had Crabbe and Goyle turn into little girls to keep watch for him outside the Room of Hidden Things while he worked on his plan.]]
256* AGlassInTheHand: Dean Thomas after seeing Harry and Ginny kiss. Romilda Vane seems to be even angrier, as she is described as looking like she's about to throw something.
257* GetIntoJailFree: [[spoiler:Dumbledore invokes this about Lucius Malfoy, noting that given Voldemort's fury with him for both getting Tom Riddle's diary destroyed and so spectacularly failing to get a hold of the prophecy, Lucius might actually be happy to be in Azkaban and thus safely out of reach of Voldemort's wrath for the time being.]]
258* GetOutOfJailFreeCard: During the argument in Spinner's End, Snape openly admits this is why he stayed at his post at Hogwarts after Voldemort first fell. He believed the Dark Lord was dead and gone, the Death Eaters were being rounded up, and Dumbledore's protection and influence were literally all that was keeping him out of Azkaban. While Snape isn't proud he lost faith in the Dark Lord, he's ultimately ''not'' sorry he used the Card rather than do time in prison (like Bellatrix and others did). According to Snape, Voldemort doesn't begrudge him for this either (since accepting Dumbledore's protection allowed Snape to remain a deep cover agent inside Hogwarts and gain the Headmaster's full trust in the years since).
259* GoodIsNotDumb:
260** Zig-zagged with Dumbledore and the young Tom Riddle. While he chose to give the boy a second chance and didn't share the details of the orphanage visit with his colleagues, Albus ''also'' didn't take it for granted that Riddle ''was'' trustworthy. As Dumbledore tells Harry, he'd gone into that first meeting intending to keep an eye on the young orphan regardless, but became even ''more'' determined after such a disturbing encounter. However, it ultimately didn't do much good, since Riddle knew he'd overplayed his hand and revealed too much of his true self to Dumbledore. Riddle wisely kept his distance over the next seven years and had enough sense never to try to charm Dumbledore as he did with the other professors.
261** In chapter two, Snape also cites Dumbledore's ongoing refusal to let Snape teach DADA as such. Dumbledore may have bought Snape's reformation act, but he also wasn't just going to put Snape blindly back in temptation's path and risk a potential relapse to the Dark Side. [[spoiler:The real motive is actually preventing Snape from falling victim to Voldemort's curse on the DADA position. Dumbledore only allows him to assume the post here as part of the LongGame to ensure Snape's deep cover role is preserved after he 'murders' the Headmaster at the end of this book.]]
262* GottaKillThemAll: Dumbledore reveals to Harry the reason for his disappearances throughout the school year is in part that he's been searching and destroying something very dear to Voldemort. He eventually recruits Harry in his effort and the book ends with Harry resolute to complete the mission in the next book. [[spoiler:The plan is to destroy the four remaining Horcruxes, objects which contain fragments of Voldemort's soul, to render Voldemort mortal.]]
263* GrailInTheGarbage:
264** Subverted. At first, Harry fears Voldemort's Horcruxes might be these until Dumbledore reminds him of Voldemort's egocentric need to stamp himself all over pieces of magical history.
265** [[spoiler:Played straight, too: Rowena Ravenclaw's lost diadem--one of Voldemort's Horcruxes--is ([[ChekhovsGun unknowingly]]) found in the Room of Requirement.]]
266* GreatBigLibraryOfEverything: Averted and {{Lampshade|Hanging}}d after Hermione starts looking for information about Horcruxes.
267-->Meanwhile, the Hogwarts library had failed Hermione for the first time in living memory. She was so shocked, she even forgot that she was annoyed at Harry for his trick with the bezoar.
268* GreaterScopeVillain: While we feel Voldemort's presence throughout the book, as it deals with the Wizarding World's reaction to his return to power and an exploration of his past, he never actually appears in person in this installment, only in Pensieve memories.
269* GreenEyedEpiphany: During his summer at the Burrow, Harry gets used to hanging out with Ginny as much as Ron and Hermione, to the point he forgets they don't usually do this at school. He doesn't realise the extent of his feelings until he sees her kissing Dean, and the sudden rush of jealousy alarms even him.
270[[/folder]]
271
272[[folder:H–K]]
273* HandingOverTheCrapSack: Harry receives a present from the unfriendly House-Elf Kreacher, which contains a large number of maggots.
274* HaveAGayOldTime: For whatever reason, Rowling chose to use the archaic meaning of a word that used to be a synonym for "exclaim."
275-->"Snape!" Slughorn ejaculated...
276* HeartIsAnAwesomePower: [[spoiler:Love is precisely what saved Harry as a baby: Lily's sacrificial love is the source of his protection against Voldemort. It comes up again in ''Deathly Hallows'', when Harry's self-sacrifice protects everyone.]]
277* HidingBehindTheLanguageBarrier: Morfin and, to a lesser extent, Marvolo do this around Ogden, speaking Parseltongue.
278* HiddenDepths: As if Dumbledore didn't already have enough prodigious skill, the supercentenarian can also do a perfect breaststroke.
279* HillbillyHorrors: The Gaunts are easily recognizable as a British variation.
280* HoistByHisOwnPetard: Fudge spent the last book desperately seeking to make liars out of Harry, Dumbledore, and their supporters out of fear of the truth and to protect his own legacy as the Minister for Magic. This book reveals that after he was forced to admit publicly that Harry and Dumbledore were telling the truth about Voldemort's return all along, all the negative publicity Fudge had generated for his targets had immediately backlashed against him. With the entire wizarding community turning against him in outrage over covering up the fact that a child-murdering terrorist has returned and doing ''nothing'', he is kicked out of office and goes down in history as a lying DirtyCoward, [[ZeroPercentApprovalRating the most reviled Minister for Magic in modern times]], and the [[https://www.pottermore.com/features/best-and-worst-ministers-for-magic second-worst Minister for Magic in the history of Wizarding Britain]].
281* HopeSpot:
282** Initially, Scrimgeour succeeding Fudge as Minister for Magic. As the former Head of the Auror Office, he's a veteran of fighting Dark wizards and seems the perfect choice for a wartime leader, even to Dumbledore. Then he continues and resurrects the policies of Fudge and Barty Crouch, Sr. It ends up making things worse.
283** [[spoiler:Dumbledore]]'s portrait appears in the Headmaster's office at the end, giving hope that he may still be around in some form.
284* HonourBeforeReason: Towards the end of the book, Harry discovers that [[spoiler:Snape relayed part of Trelawney's prophecy to Voldemort that ended up causing his parents' deaths. He confronts Dumbledore about this and demands to know why, despite knowing this, he still trusts Snape so much. Though Dumbledore is clearly torn about whether to tell Harry, he ultimately tells Harry that he cannot tell him, which leaves Harry furious at him and only deepens Harry's hatred of Snape. It is not until the next year that Harry learns why Dumbledore refused to tell him: because Snape didn't want Harry or anyone else to know that Snape defected to the side of good because of his love for Harry's mother.]]
285* HospitalityForHeroes: Fred and George allow Harry to take as many products from their store as he wants because he gave them their start-up money. Ron, on the other hand, only gets a small discount, to his chagrin.
286* HouseSquatting: The wizard Horace Slughorn is fond of vacationing by squatting in Muggles' houses while they're on holiday. With a PerceptionFilter and a few charms on the neighbours, the biggest hassle is moving in the piano.
287* [[HypocriticalHumor Hypocritical Humour]]:
288** Molly's ParentalHypocrisy regarding Bill and Fleur's wedding.
289** Hermione is indignant when she thinks Harry spiked Ron's drink with Felix Felicis before the Quidditch game, even though she put a Confundus Charm on Ron's main rival for Gryffindor Keeper so he would win in the trials. Harry even points this out.
290* IfItsYouItsOkay: {{Implied|Trope}} to be the case of Ron's opinion of Harry in regards to his relationship with Ginny.
291* IfIWantedYouDead: {{Inverted|Trope}} at the end of the book -- [[spoiler:as Dumbledore points out, if Draco ''really'' wanted to kill him, he would have just done it instead of engaging in EvilGloating. Draco has at this point successfully Disarmed Dumbledore, leaving him completely incapable of defending himself, so the only thing stopping him from finishing the job is that, deep down, he just isn't capable of that kind of cold-blooded murder.]]
292* IfYoureSoEvilEatThisKitten: Bellatrix Lestrange doesn't trust Snape yet and in order to prove his loyalty to her, Snape vows to help Malfoy complete his mission. Finding out what this mission is and whether Snape is serious about keeping his vow becomes Harry's main mission in this book even though Dumbledore begs him to focus on other things.
293* ImperialStormtrooperMarksmanshipAcademy: The [[spoiler:Death Eaters have this against the DA at the end of the book]]. {{Justified|Trope}} via Felix Felicis.
294* ImpossibleTask: [[spoiler:Draco's mission from Voldemort to kill Dumbledore]]. His chances of succeeding are almost nil. Voldemort himself doesn't expect him to succeed and intends to use it as an excuse to punish [[spoiler:the Malfoys]] for failing him. It is even suggested that he is hoping [[spoiler:Dumbledore]] will kill [[spoiler:Draco]] in self-defence.
295* InbredAndEvil: The description makes it pretty clear the Gaunts are heavily inbred, thanks to extreme pride in their pureblood Wizard lineage and direct link to Salazar Slytherin (Dumbledore outright tells Harry that KissingCousins was one of their habits). And both Marvolo and Morfin are absolutely despicable people; Merope only looks decent by comparison, and she raped Riddle, which was clearly evil.
296* IncapableOfDisobeying: Dumbledore [[ExploitedTrope uses]] House-Elves' inability to disobey their masters' orders to confirm quickly whether Harry has inherited Sirius Black's property following his death in the previous book. Dumbledore summons the Black family's House-Elf, Kreacher, and has Harry issue him an order. When Kreacher gets on his nerves, Harry orders him to shut up and, instantly, the Elf can't say a single word, proving Harry has become his master.
297* IncitingIncident:
298** If Marvolo and Morfin Gaunt hadn't attacked Bob Ogden, they never would have been arrested by the Ministry, which led to Merope being free from their abuse [[spoiler:and deciding to [[SlippingAMickey drug Tom Riddle Sr.]] with a LovePotion]] that eventually resulted in Voldemort's existence.
299** And Bob Ogden only visited the Gaunt household in the first place because [[UnwittingInstigatorOfDoom Morfin hexed a Muggle]], leading to the aforementioned scenarios.
300** Having learned at the end of the previous book that Trelawney's prophecy about him could also have referred to Neville, Harry wonders what would have happened if Voldemort had decided to target Neville instead:
301--->Had Voldemort chosen Neville, it would be Neville sitting opposite Harry bearing the lightning-shaped scar and the weight of the prophecy... or would it? Would Neville's mother have died to save him, as Lily had died for Harry? Surely she would... but what if she had been unable to stand between her son and Voldemort? Would there, then, have been no "Chosen One" at all? An empty seat where Neville now sat and a scarless Harry who would have been kissed goodbye by his own mother, not Ron's?
302* INeedToGoIronMyDog: Dumbledore uses this method to leave Harry alone with Professor Slughorn so as to persuade him to return to Hogwarts -- specifically, by asking to use the loo. The fact he returns afterwards with a magazine he wants to keep "for the knitting patterns" just highlights his eccentricity and hilarious kookiness. It was still a nice bit of obfuscation.
303* InsultBackfire:
304-->'''Scrimgeour:''' Dumbledore's man through and through, aren't you, Potter?\
305'''Harry:''' Yeah, I am. Glad we straightened that out.
306* IntergenerationalFriendship: Dumbledore's dynamic with Harry throughout the novel mostly dispenses with the Headmaster–Student dynamic. He comes to meet Harry personally at Privet Drive, gives him private lessons, openly asks his opinions about his appointees (such as Slughorn) and even [[BrutalHonesty confesses to Harry that one of his teachers]], namely Trelawney, is indeed a hack whom Dumbledore hired because parents demanded Hogwarts teach Divination, and for her own good (to protect her from Voldemort finding her one true prophecy, which concerns him). Before Book 6, Dumbledore at least made a show of upholding teacher–student divides as an academic norm.
307* IntroOnlyPointOfView: The first two chapters. The first chapter is from the Muggle Prime Minister's viewpoint as the new and former Ministers for Magic explain the dire situation to him. The second is from that of Narcissa Malfoy and Bellatrix Lestrange, showing Snape making an Unbreakable Vow.
308* InvisiblePresident: The Muggle Prime Minister is not named during the first chapter. Going by the book's timeline, it should be UsefulNotes/JohnMajor. (Although the Potter universe's timeline might diverge somewhat from ours, since the previous Prime Minister, UsefulNotes/MargaretThatcher in our world, is said to be a man.)
309* IronicEcho: Multiple times in [[Literature/HarryPotterAndTheOrderOfThePhoenix the fifth book]], Hermione discourages Ron from doing things she considers unbecoming of an authority figure by reminding him that he's a prefect. This time, Harry makes fun of her for secretly interfering with Cormac's Quidditch performance when Ron's trying out for the same position as Cormac by reminding her that ''she'' is a prefect. Not surprisingly, she's not amused.
310-->'''Hermione:''' Oh, be quiet.
311* {{Irony}}: Previously, Potions was Harry's least favourite subject because Snape was such a jerk to him. In his first class this year he finds a secondhand book labelled as "property of the Half-Blood Prince". Inside the book are copious hints that help Harry in his Potions classes, making it his best subject. At one point, Harry even thinks to himself that the Prince has been a much better teacher than Snape. Snape also comments that he struggled to teach Harry anything in five years of Potions classes. Then comes the big reveal that [[spoiler:Snape is the Half-Blood Prince.]] A slightly tragic twist to the irony here is the implication that Snape would have found Harry to be a highly competent and willing student if only he had been able to see past his loathing of Harry's father.
312* ItsNotYouItsMyEnemies: Harry has to tell Ginny this. She's surprisingly understanding and accepting, though it's strongly hinted she believes it to be strictly temporary. [[spoiler:She's right.]]
313* IWarnedYou: After Harry and Dumbledore were proven right about Voldemort's return, Percy (who sided with the Ministry and participated in their cover-up) continues to avoid his family -- not out of exasperation with them, but out of shame that they were right and he was wrong.
314* JealousRomanticWitness: Harry has a GreenEyedEpiphany when he sees Ginny kissing Dean. Meanwhile, Ron and Hermione's BelligerentSexualTension goes on as Ron starts dating the very openly affectionate Lavender Brown and Hermione has to watch it, while Hermione performs OperationJealousy and starts dating Cormac [=McLaggen=] so that Ron would see that.
315* JerkassHasAPoint: The reason why Fred and George will let Harry take free stuff and not Ron: Harry gave them the startup capital for their business. Ron was expecting nepotism would benefit him and didn't financially support the twins, not that he could have.
316* JustBetweenYouAndMe: [[spoiler:Dumbledore]] encourages [[spoiler:Draco]] to go on about his plans to buy time. Since [[spoiler:Draco]] is reluctant to kill him, he complies.
317* KarmaHoudini: Despite her many abuses and enabling of Fudge's disastrous final year in office, Umbridge has escaped any accountability for her actions in the preceding book and is still ensconced at the Ministry. Harry becomes ''pissed'' when Scrimgeour foolishly reveals this, a revelation that further vindicates Harry's decision to not trust or work with the Ministry to stop Voldemort.
318* TheKetchupTest: Dumbledore performs this to ensure that the Death Eaters have not, in fact, found Horace. In an interesting twist, he is tasting blood, albeit that of a dragon instead of a human.
319* KickTheDog: Greyback attacked the five-year-old son of Ms. Montgomery when she refused to cooperate with the Death Eaters. The boy later died from his injuries.
320* KillItWithFire: Dumbledore specifically states that fire is the most effective against Inferi. The RingOfFire he uses in the cave is even in the British cover pictured above.
321* KissingDiscretionShot: A literary version as Rowling brushes off their new relationship from the reader. We've sat through Harry's journey to find love and Ginny's quiet pining after Harry for years -- now that they are together, it's pretty much none of our business what they are doing in the quiet corners of Hogwarts.
322[[/folder]]
323
324[[folder:L–M]]
325* LaboriousLaces: The trio mention that if they were befriending the childish giant Grawp, they would still be teaching him to tie his shoelaces.
326* LampshadeHanging: Nearly Headless Nick acknowledges the RunningGag of Ron making a tactless remark to him at the start-of-term feast in most of the books during this year's.
327-->'''Nick:''' Once again, you show all the sensitivity of a blunt axe.
328* LastMinuteHookup: Not only do Harry and Ginny become a couple close to the end after Harry spends a good portion of the book crushing on her, but they actually manage to ''break up before the end of the book''! Doubly so because the novel glosses over the few weeks Harry grows closer to Ginny, in the span of a chapter going from crush to couple. [[Film/HarryPotterAndTheHalfBloodPrince The film]] rectifies this a bit by expanding Ginny's screen time and giving her more scenes alone with Harry.
329* LaughOfLove: Lavender is particularly prone to giggling when she's around Ron, until they break up.
330* LetsSeeYouDoBetter: This is Hermione's reaction to Ron's evaluation of her brief stop in Borgin and Burkes immediately after Draco goes in to see Borgin [[spoiler:about the Vanishing Cabinets]].
331-->'''Ron''': Ah well. Worth a try, but you were a bit obvious...
332-->'''Hermione''': Well, next time you can show me how it's done, Master of Mystery!
333* LighterAndSofter: Though still pretty dark (see DarkerAndEdgier above for more), this novel isn't nearly as intense as the previous novel or the next one. A large portion of the book is focused on dating and there's a lot of jokes.
334* LineageComesFromTheFather: A young Tom Riddle is (mistakenly) convinced this is the case, and that his father was the one who was magical, not his mother, though this is not due to suggested sexism on his part, but rather his conviction that his mother could never have died the way she did if she had been magical.
335* LockedOutOfTheLoop: [[spoiler:Dumbledore speculates this happened to Lucius Malfoy with Tom Riddle's diary, intuiting that Voldemort never bothered to tell Lucius the diary was actually a Horcrux. Voldemort had wanted the diary to be smuggled into Hogwarts to reopen the Chamber of Secrets, but the diary was destroyed before he could give the go-ahead. Instead of zealously guarding the diary as Voldemort thought he would, Lucius instead planted the diary on Ginny in the hopes of discrediting her father and getting Dumbledore kicked out of Hogwarts when the Basilisk started attacking Muggle-born students, as well as getting rid of a highly incriminating Dark artifact in a single stroke. Dumbledore notes that Voldemort's fury when he learned Lucius had acted without his consent and gotten one of his Horcruxes destroyed in the process was spectacular]].
336* LockedRoomMystery: Amelia Bones's body is found by the Muggle police in a room that was locked from the inside. The wizard authorities know it was the Death Eaters -- likely Voldemort himself.
337* LockedUpAndLeftBehind: Harry attempts to spy on Malfoy by putting on his Invisibility Cloak and sneaking into Malfoy's compartment on the Hogwarts Express. When Malfoy discovers Harry, he paralyses him with a spell, stamps on his nose, and leaves him there, covered by his own InvisibilityCloak, not caring at all what happens to Harry, as the train starts to return to London. Fortunately, Tonks discovers Harry soon afterwards.
338* LoopholeAbuse:
339** {{Defied|Trope}} when Harry orders Kreacher to spy on Draco. Mindful of what happened in Book Five, Harry makes sure to close every potential loophole that would allow Kreacher to tip off Draco. Kreacher uses this later when Harry asks him what Malfoy has been doing and he just tells him about the mundane everyday stuff like eating meals and going to class. Luckily for Harry, Dobby is happy to tell him that Malfoy has also been sneaking off to the Room of Requirement.
340** In the Horcrux cave, Dumbledore notes that the boat they must take to the island with the Horcrux has been enchanted so that only one wizard can use it at a time. Underage wizards, however, don't count, which allows Harry to go with Dumbledore.
341* LosingTheTeamSpirit: [[spoiler:Dumbledore's death]] has this effect on the entire school.
342* LoveEpiphany: Harry's "chest monster", as he calls it, when he finally realizes his feelings for Ginny.
343* LoveHungry: Merope Gaunt for Tom Riddle Sr. See below entry for LovePotion.
344* LovePotion:
345** Part of the merchandise at Fred and George's joke shop. One of Harry's fangirls attempts to trick him into eating a box of chocolates spiked with them. HilarityEnsues when Ron eats them instead.
346** [[spoiler:It seems to be why Lord Voldemort exists in the first place, as his mother had given a Love Potion to a snobbish Muggle, Tom Riddle, Sr.]]
347* LoweredRecruitingStandards:
348** Harry and Ron, among others, get into NEWT Potions with E (Exceeds Expectations) O.W.L.s because Slughorn has lower standards than Snape, who would only take O (Outstanding) students.
349** It's implied that Snape allowed everyone with an E into NEWT Defence Against the Dark Arts despite his O-only standard as a Potions teacher. Since even Hermione, who got O's in everything else, only got an E, it's likely he wouldn't have had very many students otherwise. (It's entirely possible that Harry would have been his ''only'' DADA student, which would have gone over as well as last year's Occlumency lessons.)
350** Voldemort is also said to have used this trope. He'd have loved nothing more than to punish the Death Eaters who abandoned him after he ostensibly died fifteen years before, ''severely'', but is forced to keep them around due to lack of minions.
351* MadnessMantra: "He'll kill me for losing his ring." This was apparently all Morfin said when he was arrested, as he was horrified that Marvolo's ring was missing (the young Voldemort had stolen it as a trophy). According to Dumbledore, he said nothing else for the rest of his life.
352* MagicallyBindingContract: Introduces the Unbreakable Vow, which is ExactlyWhatItSaysOnTheTin.
353* MagicFeather: Harry pretends to give Ron a luck potion to give him confidence. A double subversion as the potion would have worked if added for real, but its use in contests is of course banned.
354* MakeWayForTheNewVillains: Interestingly, Snape says that he and several other Death Eaters suspected this was how Harry vanquished Voldemort as a baby -- that he was such a powerful Dark Wizard even as an infant that Voldemort himself was no match for him. Snape goes on to claim that the Death Eaters who believed this were waiting for signs that Harry would be the new Dark Lord for them to rally around, and Snape himself was bitterly disappointed this turned out not to be the case, though [[UnreliableNarrator considering who he was talking to, this may not be exactly true.]]
355* ManipulativeBastard: Teenaged Tom Riddle, as Harry notes while watching Slughorn's memory of Riddle asking for information about Horcruxes.
356-->It was very well done, thought Harry, the hesitancy, the casual tone, the careful flattery, none of it overdone. He, Harry, had had too much experience of trying to wheedle information out of reluctant people not to recognise a master at work.
357* MaybeMagicMaybeMundane: Harry wonders if Slughorn's office is so big because it was built that way or magic has made it BiggerOnTheInside.
358* MeaningfulEcho: Near the beginning, Dumbledore tells Harry they shouldn't find trouble. "You are with me." This later becomes "I am not worried, Harry. I am with you." Former {{Trope Namer|s}}.
359* MeaningfulFuneral: [[spoiler:Dumbledore]]'s funeral is also the end of Harry's, Ron's, and Hermione's days as schoolchildren, and indeed as children; from here on out it's the real world for the PowerTrio.
360* MeaninglessVillainVictory: Snape's personal opinion of Bellatrix's time in Azkaban. Yes, she remained loyal to the Dark Lord and did not renounce him or throw him under the bus. It was a most admirable gesture...which also stupidly put herself out of action for 16 years, leaving her unable to aid the cause or search for Voldemort.
361* MentorOccupationalHazard: [[spoiler:Dumbledore.]] Afterwards, Harry reflects on how he's been losing protector figures since he was little more than a year old, and is now basically on his own (save for Ron and Hermione).
362* MetaTwist:
363** Horace is set up as the new DADA teacher of the book. Harry is as surprised as the reader (on first pass) to learn he's replacing Snape, who's moved positions after wanting the job for years.
364** Two previous RedHerring characters are behind the main plot, and this time Harry is on to them from the beginning. [[spoiler:So is Dumbledore, but he's keeping quiet about it in case Voldemort catches on through Legilimency.]]
365* MilitariesAreUseless: The Aurors may qualify, depending on whether you consider them an army. Herein, they fail to kill or capture any Death Eater, imprison innocent people ([[NiceJobBreakingItHero where they are captured]] and {{Brainwashed}} by said Death Eaters) instead, and do nothing to prevent the Ministry from being infiltrated by Voldemort. This is a notable shift from the treatment they got two books ago, which suggested they were a BadassArmy of dark wizard hunters. Here we're presented a more mature view: even the Aurors are only as effective as the horribly corrupt and inept Ministry allows them to be, and the ones who aren't ProperlyParanoid like Mad-Eye Moody was have blind spots that dark wizards can easily exploit.
366* MindRape: Dumbledore goes through this while drinking the potion guarding Voldemort's locket.
367* MoodWhiplash:
368** Early in the book, Harry confides in Ron and Hermione about the prophecy made about how "neither of us can live while the other survives". There's a shocked moment … then the prank telescope (one of Fred and George's devices) Hermione had idly picked up explodes in a cloud of black smoke as a tiny fist punches her in the face, giving her a brilliant black eye.
369** The final act of the book is a '''mega''' whiplash for the book as a whole. Though the book is on the darker end of the spectrum compared to the first few books, it was considerably more lighthearted than its predecessor and successor, with plenty of humour, romance subplots, and even a likeable Potions professor for once. From the time Harry and Dumbledore leave Hogwarts to locate the locket, however, the book gets smacked by this hard. First there's the duo's journey through the cave which includes a blood ritual and a disturbingly in-depth description of the [[MindRape mental torture Dumbledore experiences due to the potion containing the locket]], and Harry's forced acquiescence in making it worse so they can get the locket. Oh, and not to mention a tense encounter with a swarm of [[OurZombiesAreDifferent Inferi (basically zombies)]]. Then they get back and we see [[invoked]][[spoiler:Snape kill Dumbledore, Malfoy's crossing of the MoralEventHorizon, a massive brawl through the hallways of Hogwarts between the Death Eaters and the Order of the Phoenix, Dumbledore's funeral, and the PowerTrio swearing off school altogether to hunt down the remaining Horcruxes]]. Whew...
370* MoralEventHorizon: InUniverse, Harry reveals that he believed that Cornelius Fudge crossed it by setting Umbridge on the school in ''Order of the Phoenix''. He is outraged when Dumbledore tells him that Fudge wanted Harry to serve as a pep coach for the wizardry public, giving Rufus Scrimgeour the idea, and Harry cannot believe that Fudge would think Harry would forget all the things Dolores Umbridge did.
371* MoralMyopia: Molly Weasley expresses her disapproval toward Bill and Fleur's engagement:
372-->'''Mrs. Weasley:''' I know why it's happened, of course. It's all this uncertainty with You-Know-Who coming back, people think they might be dead tomorrow, so they're rushing all sorts of decisions they'd normally take time over. It was the same last time he was powerful, people eloping left, right, and centre --\
373'''Ginny:''' [''Slyly''] -- Including you and Dad.\
374'''Mrs. Weasley:''' Yes, well, your father and I were made for each other, what was the point in waiting?
375* MotiveMisidentification: Narcissa believes Draco's impossible task from Voldemort is really about the Dark Lord punishing Lucius for the fiasco at the Ministry in the previous book. [[spoiler:That's certainly true, but it's also additional punishment for Lucius unwittingly getting Voldemort's first Horcrux destroyed back in ''Chamber of Secrets'' (and Narcissa wouldn't have this context and thus couldn't know).]]
376* MyGreatestFailure:
377** Slughorn revealing information about Horcruxes to a young Tom Riddle.
378** [[spoiler:We hear Dumbledore going through his during his MindRape.]]
379** Also [[spoiler:Snape's feelings about giving Voldemort the prophecy and dooming James and Lily, though Harry believes this to be a lie at the time.]]
380* MySisterIsOffLimits: Harry struggles with this. In the end, Ron is fine with him dating Ginny, though. After all, they are best friends! Indeed, it's implied that Harry's the ''[[IfItsYouItsOkay only]]'' person [[ShipperOnDeck Ron wants Ginny dating]].
381[[/folder]]
382
383[[folder:N–P]]
384* NearMisses: Harry blows his stack of luck potion among his friends prior to the climatic final fight, who would be dead five times over without it. Ginny remarks afterward that both spells and debris just seemed to miss them.
385* NeverMyFault:
386** During the confrontation at Spinner's End, Snape sarcastically asks Bellatrix if the Dark Lord still considers her a confidante after the fiasco in the Department of Mysteries. Bellatrix responds that it was all Lucius's fault. However, it was her getting trigger-happy that derailed the entire operation, got all the operatives except herself thrown into Azkaban, ''and'' exposed Voldemort's return to the Wizarding World at large. Even better, Narcissa gets pissed that she's trying to shift the blame to her husband and calls her sister out on it.
387** Continuing on from the previous novel, some of Harry's now-worse mutual animosity with Snape is being fueled partly by Sirius's death. Harry's still projecting much of his own guilt on Snape for goading Sirius or siding with Umbridge (never mind that Snape ''had'' to stay silent or risk tipping off Umbridge).
388* NewsTravelsFast: Courtesy of Peeves overhearing Harry in the midst of asking Luna out as NotADate for Slughorn's party and then gossiping about it, the news of Harry Potter taking Luna Lovegood to the party in question becomes common knowledge within Hogwarts before the day ends.
389-->'''Harry''': Nice to keep these things private.
390* NiceJobBreakingItHero: Between 1938 and 1945, Dumbledore chose not to tell the other Hogwarts teachers about the young Tom Riddle's love of cruelty and bullying. Had he not given Riddle a chance to turn over a new leaf, Wizarding history would probably have taken a different turn. For instance, that knowledge would've been handy for [[Literature/HarryPotterAndTheChamberOfSecrets Professor Dippet when young Tom was more than willing to throw kind, unassuming Hagrid under the bus for the Basilisk attack that killed Moaning Myrtle]]. It's especially notable when considering that two of the traits Dumbledore noticed in Tom as a child were a penchant for indirect violence toward classmates and haste in [[IWasNeverHere shifting blame away from himself]].
391* NiceJobFixingItVillain:
392** The young Tom Riddle's excitement upon meeting Dumbledore and learning of his Wizarding heritage. In the thrill of that discovery, Riddle can't stop himself from dropping his public façade and ends up revealing too much of his true nature to Dumbledore. While Dumbledore obviously didn't know then that Riddle would become the most dangerous Dark Wizard of all time, the unintended confession ''did'' vindicate Mrs. Cole's suspicions about his darker nature. With this confession, Dumbledore instantly understood this young orphan could be a major problem at Hogwarts and vowed to keep an eye on him.
393** [[spoiler:Lucius Malfoy pawning off Tom Riddle's diary on Ginny Weasley in a simultaneous attempt to discredit her father and get rid of an incriminating artefact ends up being this, as not only is the fragment of Voldemort's soul attached to the diary destroyed, but Dumbledore is clued into the fact that Voldemort created more than one Horcrux. Voldemort himself also bears a portion of the blame since given his innate paranoia and distrust in even his underlings, he never bothered to tell Lucius what the diary was; Dumbledore states that if Lucius had known he was being entrusted with a portion of his master's soul, he'd have treated the diary with a ''lot'' more reverence.]]
394* NoChallengeEqualsNoSatisfaction: [[spoiler:Voldemort's mother at first used a LovePotion to make Tom Riddle, Sr. fall in love with her. She then decided to stop giving Tom the potion perhaps because it didn't feel real (because it wasn't) and she hoped Tom would have come to genuinely love her while under the potion's effects. Unfortunately for her, he dumped her like a hot potato, abandoning her and her child.]]
395* NoMatterHowMuchIBeg: Harry, Dumbledore, and the Horcrux-containing potion. Harry keeps his word, but only barely.
396* NoNameGiven: Two prominent Death Eaters at the end of the novel are unnamed but referred to constantly, the first one is only referred to as "The Brutal-Faced Death Eater", and later we see "The Big Blond Death Eater". Both are identified early in the next book, respectively as Corban Yaxley and Thorfinn Rowle.
397* NonIndicativeName: In-universe example. Love Potions can't actually create love, only infatuation and powerful (and potentially dangerous) obsession.
398* NoodleIncident:
399** Just what the hell did young Tom Riddle do to those two Muggle children in the seaside cave? Nobody knows, but Mrs. Cole says they were never quite right afterwards. Whatever did happen down there made the place special enough for Voldemort that he hid a Horcrux there.
400** Dumbledore's potion-induced hallucination in the Cave, wherein he seems to be reliving a traumatic event from his past. What exactly he was seeing will be revealed in the next book.
401* NoOntologicalInertia: [[spoiler:Dumbledore's Body-Bind Spell.]] There are hints throughout the books that this is a common and expected phenomenon: magic dies along with the wizard who performed it.
402* NotADate: Harry and Luna at Slughorn's party. He makes it clear that they're going as friends, which she is perfectly happy with. Peeves, of course, overhears them and zooms off cackling about how "Potty loves Loony."
403* NotAnAct: When Bellatrix tells Snape she suspects that he's a DoubleAgent, Snape has a long speech where he patiently deconstructs her arguments. One of her complaints is that he should have killed Harry while he was at Hogwarts. While explaining why he didn't do that, Snape belittles Harry as a mediocre wizard who needs his friends' help to get anywhere. [[spoiler:As we see in the last book, most of what he told Bellatrix was a lie and he was always against Voldemort,]] but his contempt for Harry was genuine, using very similar terms when speaking to Dumbledore about him.
404* NotHelpingYourCase: Minister Scrimgeour, when trying to talk Harry into becoming the Ministry's poster boy, mentions that [[IdiotBall Umbridge is still working at the Ministry]], and she actually said that Harry wanted to be an Auror, trying to bribe him. Harry bristles and shows the Minister the "I must not tell lies" scar that he received from his various detentions with Umbridge.
405* NotProven:
406** According to Dumbledore, Riddle and the proto-Death Eaters' years at Hogwarts were marked by a number of nasty incidents (which of course culminated with the opening of the Chamber of Secrets and Myrtle's death). However, Riddle was charming and clever enough to ensure his gang was ''never'' caught in open wrongdoing and that there was never enough hard evidence to link them to said incidents.
407** Riddle also got away with his bullying at the orphanage since, without knowing he was a young wizard, Mrs. Cole and her staff couldn't prove it or figure out ''how'' he was doing these impossible acts of retribution and cruelty.
408* NotUsingTheZWord: Inferi are basically magical zombies with a different name. (The original VoodooZombie kind, not the modern post-Creator/GeorgeARomero FleshEatingZombie kind.)
409* NotWhatItLooksLike: In the evening Harry decides to see Slughorn to coax his Horcrux-related memory out of him, he (after taking his Felix Felicis and donning his InvisibilityCloak) leaves the boys' dormitory with Ron and Hermione in tow and encounters [[ClingyJealousGirl Lavender Brown]] in the Gryffindor common room. Unable to see Harry, Lavender believes Ron and Hermione to be alone in the boys' dormitory, prompting her to jump to her worst-case assumption, which results in her screaming at Ron before breaking up with him. This ends up working in Ron's favour (and, by extension, Hermione's as well), because [[PleaseDumpMe Ron had been hoping for Lavender to break up with him for some time by that point already]].
410* {{Objectshifting}}: Horace Slughorn transfigures himself into an armchair early to avoid detection while squatting in Muggle houses and hiding from the Death Eaters. He jokes that the stuffing comes naturally to him.
411* OhCrap:
412** Harry when he realises what ''exactly'' the Sectumsempra spell does. [[spoiler:It rips open huge, bloody wounds in the caster's target. The [[GratuitousLatin somewhat mangled Latin phrase]] roughly means "permanent cutting".]]
413** Dumbledore has one after [[spoiler:Harry confronts him with the knowledge that Snape sold out Harry's parents. Harry sees the colour drain out of Dumbledore's face when it comes out.]]
414* OneLastFieldTrip: {{Invoked|Trope}} after [[spoiler:Dumbledore's funeral. Harry has lost his mentor and broken up with his girlfriend. He is going to drop out of school to hunt down Voldemort's Horcruxes.]] He is glad that he has "one last golden afternoon" to spend with Ron and Hermione.
415* OnlySaneMan: Harry sees himself as this when he's being trapped in the crossfire of Ron and Hermione's OperationJealousy, to the point that he thinks that both his friends are complete idiots.
416* OnlySmartPeopleMayPass: The protection around the Horcrux ensures that it's impossible for anyone (including Voldemort himself) to get at it without hideously torturing themself or someone else.
417* OOCIsSeriousBusiness:
418** One of the biggest clues that Malfoy is up to something is that he skips the Gryffindor–Slytherin Quidditch match. Remember that Malfoy got the entire match rescheduled [[Literature/HarryPotterAndThePrisonerOfAzkaban three years earlier]] just because of a scratch he got from a Hippogriff.
419** Also, after Malfoy has paralysed Harry in the train and stamped on his nose, he is not interested at all in what happens to Harry after that. He does not even attempt to steal Harry's extremely valuable Invisibility Cloak, which may well have been useful to Malfoy.
420* OperationJealousy: Hermione attempts to do this by asking [[JerkJock Cormac McLaggen]] to Slughorn's party to make Ron jealous, only to fail spectacularly as she can't stand the guy's presence for more than a minute. Ron's relationship with Lavender has elements of this as well and is more successful. [[OnlySaneMan Stuck in the crossfire of crappy decisions]], Harry spends most of the conflict [[FacePalm facepalming]] at both sides.
421* OpponentInstruction: When Harry is fighting Snape near the end of the book, after blocking a verbally spoken spell from Harry, Snape says, "Blocked again, and again, and again, until you learn to keep your mouth shut and your mind closed, Potter!" This is referencing the lessons in non-verbal spellcasting from earlier in the book and the failed Occlumency lessons Harry had with Snape [[Literature/HarryPotterAndTheOrderOfThePhoenix the previous year]].
422* OriginsEpisode: ''Chamber of Secrets'' and ''Goblet of Fire'' previously gave us the broad strokes of Voldemort's backstory. Harry and Dumbledore's subplot builds on that groundwork and fully explores Tom Riddle's origins (and, in doing so, the origins of the Death Eaters).
423* OrphanageOfFear: Played with. The Muggle orphanage where Tom Riddle grew up is seen for the first time in one of Dumbledore's memories. While Harry thinks the place looks grim, the overworked staffers are clearly taking care of the kids as best as they can. The worst thing about the place is actually Riddle himself, an EnfantTerrible who uses his undeveloped magic to bully and traumatise his peers, with the staff never able to figure out how he does it.
424* OutsideContextProblem:
425** This is why Mrs. Cole and her staff couldn't definitively prove Tom Riddle was a bully to the other orphans. Riddle's acts of cruelty and retribution (like the hanging of Billy Stubbs' rabbit) could ''only'' be accomplished with magic. Without that context, of course, Cole only saw him as an ordinary young boy and thus couldn't figure out ''how'' Riddle was doing these impossible acts.
426** Dumbledore states this was part of how he realized [[spoiler:Tom Riddle's Diary was a Horcrux back in ''Chamber of Secrets''. Dumbledore was deeply troubled by Harry's description of the Riddle who'd come out of the Diary. Even with all his knowledge and experience, Dumbledore had ''never'' encountered or heard of a mere memory starting to act and think for itself (or draining life from a living person). No, Dumbledore was certain it was actually a fragment of Voldemort's soul.]]
427* PaperworkPunishment: After Harry has used the highly dangerous Sectumsempra spell on Malfoy, Snape gives Harry a punishment of spending every Saturday copying out archived crimes and punishments; and to twist the knife further, many of these are concerning Harry's father James, and Sirius Black.
428* ParentalHypocrisy: Molly Weasley thinks Bill and Fleur are rushing into their marriage because there's a war brewing. Ginny, despite not liking Fleur either, immediately points out that this is ''exactly'' what Molly and Arthur did. Then again, Molly and Arthur have seven kids, so clearly they're doing ''something'' right.
429-->'''Molly:''' Yes, well, your father and I were made for each other, what was the point in waiting?
430* PassingTheTorch: Dumbledore goes from telling Harry "You are with me" early on to "I am with you" shortly before the climax, making it clear who will take point in defeating Voldemort.
431* PerpetualPoverty:
432** Finally averted by Fred and George Weasley, who take Harry's Triwizard winnings as seed money and [[SelfMadeMan build a very lucrative business in Diagon Alley.]] It's also shown that they dote on their mother and father with lavish gifts at holiday times.
433** Zig-zagged by Molly and Arthur. Arthur has just been promoted to now being in charge of detecting counterfeit magical artifacts and defensive charms that opportunists have been peddling, and it's implied to have come with a hefty pay raise (and an increased workload due to the war, he comes home late most evenings). Not to mention, when the series began, they were putting four to five children through school (five only in the second book). By this book, only Ron and Ginny were still in school. However, despite this, their lifestyle never seems to grow any more lavish, save the gifts given by Fred and George.
434* PleaseDumpMe: Ron takes the coward's way out and just pretends to be asleep every time Lavender visits him in hospital (to Harry's exasperation, as she starts badgering him instead).
435* PlotTriggeringBook: A part of the story's plot is about Harry finding an old tattered potions textbook belonging to "The Half-Blood Prince" that is extensively graffitied with amended procedures and scribbled notes for potion formulas, which helps his performance in Potions class drastically. It also includes spells that the Prince created, but when Harry severely injures Draco using one of them, he quickly disposes of the book.
436* PragmaticVillainy: Snape points out that Voldemort had to forgive all the Death Eaters who gave up his cause when they thought he was dead because, otherwise, he'd have hardly any followers left. Snape also cites this as why he didn't initially return to Voldemort's side during ''Goblet'' when the Death Eaters were summoned to the Graveyard (and why Voldemort personally forgave him). With the Dark Mark having grown stronger all year, Snape correctly concluded Voldemort was about to return and had time to plan accordingly. By waiting two hours, Snape ensured he could 'return' to the Dark Lord on Dumbledore's orders and thereby preserve his role as a Death Eater spy inside Dumbledore's inner circle. While initially displeased with Snape's absence and apparent desertion, Voldemort accepts this explanation and agrees it was the correct strategic move.
437* PrecisionFStrike: Morfin calls his sister Merope a slut for running away with Tom Riddle Senior.
438* TheProfiler: The main plot of this book is Dumbledore and Harry constructing a profile of Voldemort's background, his motives, and his behaviour, so they [[spoiler:can figure out how many Horcruxes Voldemort made, what they were, and where he would have kept them. Since the next book reveals Dumbledore knew he was dying by this point, he's also ensuring Harry has the knowledge and training to continue profiling Voldemort on his own.]]
439* ProperlyParanoid:
440** Harry (finally) turns out to be right about Malfoy being a Death Eater and planning something.
441** Bellatrix makes it clear she doesn't trust Snape. [[spoiler:And with good reason, as TheReveal at the end of the next book shows that Snape was a double agent loyal to Dumbledore all along.]]
442* PsychosomaticSuperpowerOutage:
443** Tonks loses control of her Metamorphmagus powers in her depression over being rejected. She regains control of her powers when the target of her love reciprocates at the end of the book.
444** As Dumbledore explains to Harry, Merope's magical powers were diminished when her [[AbusiveParents father]] and [[BigBrotherBully brother]] had her under their thumb but flourished when she had free rein following the incarceration of said father and brother. They appear to have diminished again after [[spoiler:Tom Riddle Sr. left her after she stopped dosing him with LovePotion, and this may have contributed to her DeathByChildbirth.]]
445* PyrrhicVictory: Continuing on from last book, Fudge's downfall and ouster from the Ministry. Yes, the biggest political obstacle to fighting Voldemort is finally gone, but the damage is done; the Death Eaters have had a full uninterrupted year to lay the groundwork for their campaign and the Ministry is ''not'' prepared for sustained warfare. Worse, Fudge's successor Rufus Scrimgeour immediately continues or resurrects policies favored by Fudge and the late Barty Crouch Sr. -- policies which helped create the current mess.
446[[/folder]]
447
448[[folder:R–T]]
449* RashPromise: Ron says his twin brothers tried to get him to participate in an Unbreakable Vow years earlier when none of them really knew what they were getting into. Fortunately, their father arrived in time to prevent it, giving the twins the thrashing of their lives.
450* RasputinianDeath: [[spoiler:Dumbledore. Let's see: He gets an arm nearly burned off from a curse -- a curse that then slowly depletes his life force away. Later, he has to slice open his arm [[BloodMagic for a blood tribute]]. He drinks all that poison to retrieve the fake Horcrux. Then he gets a Killing Curse right in his chest and tumbles off the balcony of the tallest tower in Hogwarts. At least one of these was enough to kill him, though the Killing Curse just might have been fake.]]
451* RayOfHopeEnding: [[spoiler:Dumbledore, the last great wizard that Voldemort feared, is now dead. Hogwarts is going to be taken over by Death Eaters, Severus Snape has pulled a full-blown FaceHeelTurn, Harry's and Dumbledore's quest to obtain Salazar Slytherin's locket was AllForNothing, and Voldemort is now beginning to enact his plan to take over all of wizarding Britain. However, Harry now knows that Voldemort can be defeated if all his Horcruxes are destroyed, and is willing to set out to find them all. Ron and Hermione both tell him that he won't be doing it alone since they're coming with him.]]
452* RealityIsUnrealistic: Some fans have made much of Harry being excluded from the reading of Sirius' will, even attributing sinister motives to Dumbledore in this regard. However, assuming Dumbledore is the executor, Harry learned of his inheritance the way most people do in RealLife; if you inherited something, you just get a notice from the executor saying what you've got, with no formal will reading involved.
453* TheReasonYouSuckSpeech:
454** Played with, as it's not delivered by the BigBad, but [[spoiler:Snape]] does give Harry a rather good one when they are duelling at the end -- and, [[Literature/HarryPotterAndTheDeathlyHallows in hindsight]], [[spoiler:it's very easy to interpret as Snape getting one last chance to say to Harry, 'No, seriously, get better at what I was trying to teach you or you will '''die'''.']]
455** Harry also delivers one to Rufus Scrimgeour when the two first meet, understandably pissed that Scrimgeour is wasting his time with phony arrests, hasn't fired Dolores Umbridge, and wants to use Harry as a mascot after the Ministry's treatment of him the previous year.
456** Dumbledore also gives a small one to the Dursleys at the beginning of the book, calling them out on not bothering to treat Harry like a second son and instead treating him like a piece of trash, though he does remark that Harry turned out better than he could have under more loving circumstances because Dumbledore was able to see what happened to Dudley, [[SpoiledBrat who had been given everything he'd wanted]].
457* RedHerring: Both Inverted and {{Hand Wave}}d: the book starts out with Snape giving Bellatrix (and by extension the readers) a detailed accounting of himself during the previous books to make it plausible he could still be working for Voldemort despite the previous buildup of him as a [[GoodIsNotNice bad-mannered but otherwise trustworthy good guy]].
458* RefugeInAudacity: An InUniverse example: one Potions lesson has Slughorn presenting a mystery poison to the class and the students must concoct an antidote based on the contents of the potion. Harry, who has been receiving help from the Prince's annotations, realizes there's no real foolproof cheat around this (as Hermione also gleefully remarks on), so he grabs a [[BrickJoke bezoar]], which can be used as an antidote for most basic poisons, from the cabinet and presents that as his antidote. When Professor Slughorn comes around, he laughs and awards "ten points to Gryffindor for sheer cheek." No one else is amused.
459* ReplacedWithReplica: Harry and Dumbledore retrieve a locket hidden by Lord Voldemort, which they suspect is one of his Horcruxes. After the climax of the novel, Harry finds a note within the locket, revealing that a person using the initials "R.A.B." had taken the real Horcrux and replaced it with the current locket, a fake. ''Literature/HarryPotterAndTheDeathlyHallows'' reveals that it [[spoiler:was Regulus Arcturus Black, but he failed to destroy the locket Horcrux, meaning that Harry and company had to track the real one down.]]
460* RescuedFromTheScrappyHeap: In-universe example. Fleur reinforcing her love for Bill [[spoiler:after he gets mauled by Fenrir Greyback in human form]] and still wanting to marry him regardless forces Molly to admit that her future daughter-in-law is a far, far better person than she had given her credit for being.
461* ResolvedNoodleIncident:
462** Back in ''Chamber of Secrets'', Diary Riddle stated that Dumbledore had never seemed to like him as much as the other teachers had. This dislike had preceded the framing of Hagrid (which Dumbledore saw through, even if he couldn't prove it at the time). So, the implication was that Riddle did ''something'' during his years at Hogwarts to trigger Dumbledore's suspicions. The flashbacks finally reveals this incident was their first meeting at the Orphanage, wherein Dumbledore got a nice, good look at the ''real'' Tom Riddle.
463** Back in ''Goblet'', Voldemort also alluded to mysterious experiments he'd performed in his quest for immortality. We finally learn exactly what he was talking about: [[spoiler:the creation of his Horcruxes.]]
464* TheReveal:
465** [[spoiler:Snape was the Death Eater who told Voldemort about the prophecy, bumping Lily and James to the top of his hit list. Harry, naturally, learns this ''minutes'' before going after a Horcrux with Dumbledore. It takes everything he has not to start tearing the office apart like at the end of the last book.]]
466** The climax of the book ends with Harry learning the identity of the Half-Blood Prince: [[spoiler:Severus Snape, Harry's least favourite teacher and the murderer of Harry's mentor.]]
467* RichesToRags: As described by Dumbledore, the House of Gaunt was once a powerful and wealthy family and were the last living relatives of Salazar Slytherin, one of Hogwarts's co-founders. However, their penchant for grandeur, lack of financial sophistication, and the [[InbredAndEvil mental instability caused by inbreeding to retain their pure-blood status]] meant that the last generation lived in a [[ImpoverishedPatrician shanty house]] in the woods with nothing but some old heirlooms their patriarch was too proud to sell.
468* RightForTheWrongReasons: Hermione thinks the titular Prince was Eileen Prince, a student at Hogwarts, and posits that the title comes from her pride to be the child of her Prince parent. [[spoiler:The Prince is actually Severus Snape, but Eileen was his Witch mother. This means Hermione was entirely correct about the Prince being proud of their parent of the same name, she just had the wrong person.]]
469* [[RoleEndingMisdemeanor Role-Ending Misdemeanour]]: In-universe example. At the end of Book 4, Harry informed Minister for Magic Cornelius Fudge of the return of the most dangerous terrorist in Wizarding Britain. He responded by not only covering it up but wasting valuable time and resources persecuting and harassing the very people who tried to warn him. When Voldemort’s return is confirmed beyond any doubt, it ignites a scandal of epic proportions. For obvious reasons, Fudge loses all public and political support and is forced to resign in disgrace. He was trying to get Harry to help him stay in the office, but naturally, the boy wants nothing to do with Fudge.
470* RuleOfSeven: Invoked and {{Lampshade|Hanging}}d by Riddle when he and Slughorn discuss Horcruxes. He questions the value of having only one break in one's soul and asks, seemingly rhetorically, "Isn't seven the most powerfully magical number?", which naturally appals Slughorn. It also scares Harry, thinking this means Voldemort would have made seven Horcruxes, but Dumbledore corrects him that Voldemort wanted to split his soul into seven parts, necessitating six Horcruxes since his original body will continue to host the last part of his soul. This aspect gets a double subversion, as we learn late in Book Seven [[spoiler:that Harry became Voldemort's accidental seventh Horcrux the night he killed James and Lily, later making Nagini the seventh]].
471* RuleOfSymbolism: [[spoiler:Dumbledore explicitly cites this when he shares his theory that Voldemort was still one Horcrux short of his goal the night he murdered the Potters. From what they've uncovered, Voldemort's made Horcruxes using symbolic, significant deaths -- and as the subject of the Prophecy, Harry met that criterion. By killing Harry for his final Horcrux, Voldemort would have symbolically and literally ended the last danger against him and ensured his own immortality and invincibility.]]
472* RunningGag: The running joke about each of the DADA teachers lasting only a year gets deconstructed as we learn [[spoiler:Voldemort placed a curse on the position after Dumbledore wouldn't give him the job]]. However, it gets played straight as [[spoiler:Snape only lasts a year before fleeing Hogwarts after killing Dumbledore]].
473* ScoobyDooHoax: A throwaway line says that Mundungus Fletcher was arrested for impersonating an [[OurZombiesAreDifferent Inferius]] while robbing someone.
474* ScrewTheRulesIHaveConnections: Subverted. When everyone visits the Weasley twins' new joke shop, Ron expects that they'll let him have their products for free. Instead, they just offer a small discount and make him put everything back when he tells them he still can't afford that.
475* SelfGuardingPhlebotinum: The cursed opal necklace that kills anyone who touches it. Bonus points for being a ChekhovsGun from its brief mention in ''Literature/HarryPotterAndTheChamberOfSecrets''.
476* SequelHook: Harry's decision at the end [[spoiler:not to go back to Hogwarts in favour of focusing solely on destroying Voldemort]] signals [[LaterInstallmentWeirdness a radical departure for the final instalment.]]
477* ShaggyDogStory: Did you hear the one about how the Horcrux Harry and Dumbledore nearly killed themselves trying to retrieve from the cave [[spoiler:turned out to be a fake, planted by someone else to buy the resistance some time for when Voldemort came back to get it]]?
478* ShippingTorpedo: A handful are especially prominent in this book, though play out in others as well:
479** Ron is not a fan of ''anyone'' dating his sister Ginny.
480** More amusingly, this is initially Mrs. Weasley's reaction to Bill and Fleur.
481* ShipSinking: Though not officially torpedoed until [[Literature/HarryPotterAndTheDeathlyHallows Book 7]], this book effectively sank the ship of Harry×Luna. However, it does still give the readers some…
482* ShipTease:
483** Harry and Luna get some moments, such as him telling her she's cool, refuting his thoughts about her from Book 5, and when he takes her to Slughorn's Christmas Ball. After he asks her to go with him, Peeves also becomes a Ship Tease and starts singing, "Potty loves Loony!"
484** Naturally, Ron and Hermione get plenty as well.
485* ShotgunWedding: Merope was hoping to have one of these with Tom Riddle, Sr., or at least have him stay with her due to her pregnancy.
486* ShoutOut:
487** Harry orders Kreacher to shut up to test his allegiance. Kreacher's eyes bulge as he grabs his throat and still mouths words. He then starts thrashing on the floor, which is accompanied by "frantic gulping". [[Literature/TheLordOfTheRings One almost expects him to start whining about a precious ring he lost.]]
488** The new captain of the Slytherin (the house known for cunning, ambition, and lust for power) Quidditch team is named [[Series/HouseOfCardsUK Urquhart]].
489** Hagrid and Slughorn's drunken song, "Odo the Hero", may be a reference to ''Series/StarTrekDeepSpaceNine''.
490* ShownTheirWork: When it is revealed that the only side effect [[spoiler:Fenrir's bite will have on Bill is a preference for very rare steaks]], Fleur declares that it is lucky that he is marrying her because "ze British overcook their meat." There is a French term "bleu" which is decidedly rarer than the British/American "rare". Essentially, it is just seared. The surface is cooked, but the inside is not really cooked at all.
491* ShowingOffYourPowers: On the Muggle Prime Minister's first evening in office, he is visited by Minister of Magic Cornelius Fudge, who explains to him the existence of the wizarding world, and that he'll only visit if some crisis is going on with the wizards that is also likely to affect the Muggle world. The Muggle Prime Minister is so shocked he thinks it's a hoax, so Fudge demonstrates that he really is a wizard by transforming the Prime Minister's teacup into a gerbil.
492* SickeninglySweethearts: Bill and Fleur (as far as Hermione and Ginny are concerned, dubbing the latter 'Phlegm'), Ron and Lavender (mainly the latter). Lavender even gets Ron a big gold necklace reading "My Sweetheart", to Ron's disgust and Harry's amusement.
493* SinsOfOurFathers: In addition to his usual vindictiveness toward Harry, Snape deliberately inflicts a lengthy detention punishment on Harry for his use of Sectumsempra, where Harry is forced to copy old school punishment archives manually. He focusses on the many entries related to the Marauders, which causes Harry great discomfort to see his father's delinquency.
494* SketchySuccessor: Rufus Scrimgeour seems to be a more proactive Minister of Magic than Cornelius Fudge ever was. However, he combines Fudge's [[SlaveToPR obsession with appearances]] and Barty Crouch, Sr.'s heavy-handedness, being the worst of both worlds. Not only is he ''still'' not doing enough to prevent Voldemort's rise to power, but he's wasting the government's time and effort pretending that he is.
495* SkewedPriorities: Dumbledore has to chastise Harry gently for this. He needs him to recover a crucial memory from Professor Slughorn that could confirm some important things about Voldemort. But Harry gets distracted by Quidditch, his feelings for Ginny, and assorted other mundane stuff.
496* SmoochOfVictory: Harry kisses Ginny after she wins Gryffindor the Quidditch Cup. (Also an AccidentalKiss.)
497* SomeOfMyBestFriendsAreX: Variant: the one invoking this isn't the one being accused of prejudice. When Slughorn talks about how surprised he was that Muggle-born Lily was so good at potions, Harry mentions that one of his best friends (Hermione) is Muggle-born and she's the best in their year. After Harry says he doesn't think it's strange that that happens, Slughorn plays the trope dead straight, denying any insinuations that he's prejudiced by rapidly pointing out that Lily was one of several favourite Muggle-born students he's had.
498* SoulJar: [[spoiler:Horcruxes are objects meant to hold a piece of someone's soul away from their body. The only way to rip out a part of one's soul is to commit murder in cold blood, so even creating a single Horcrux is a terrible thing. Voldemort made ''six'' of them, '''on purpose''' -- implanting parts of his soul into his own diary, Gaunt's ring, Slytherin's locket, Hufflepuff's cup, Ravenclaw's diadem, and Nagini.]]
499* SpinningOutOfHere: Apparition is triggered by spinning in place.
500* StalkerWithACrush: Romilda Vane for Harry Potter and Merope Gaunt for Tom Riddle, Sr. In the film, Cormac and Lavender are clearly shown to be this for Hermione and Ron respectively.
501* StealthPun: Which doubles as {{Foreshadowing}}: Sectumsempra could roughly be translated to [[spoiler:'Sever(us) forever'.]]
502* StockAnimalName: Subverted; when Professor Trelawney shows her contempt for her fellow teacher of Divination, a centaur called Firenze, Professor Trelawney refers to him as "Dobbin".
503* SupernaturallyMarkedGrave: [[spoiler:Dumbledore]]'s grave, an enchanted tomb of marble.
504* SupernaturalSensitivity: In the cave scene, Dumbledore is shown to determine where the secret entrance is and the spells used on it without the use of any detection spells.
505* SympathyForTheDevil: [[spoiler:Harry's opinion of Draco by the end of the novel. While he still despises Malfoy and his infatuation with the Dark Arts, Harry ''does'' at least now feel some pity for his old rival. He saw Draco back down from killing Dumbledore on the Tower and doesn't believe Draco would have gone through with it. Harry understands now the cruel emotional torture that Voldemort has imposed on him over the last year to punish Lucius.]]
506* TamperingWithFoodAndDrink: Ron accidentally eats love potion-spiked chocolates meant for Harry. Harry gets Slughorn to give him an antidote before things get out of control … and then he drinks poisoned wine meant for Dumbledore.
507* TechnicianVsPerformer: Harry and the Half-Blood Prince are the Performers, Hermione's the Technician -- which is a problem for Hermione once Harry gets the Half-Blood Prince's book and goes shooting past her in terms of performance.
508* {{Telefrag}}: Not in the normal way, but this book confirms that one danger of Apparating is that if you don't have enough will to go through with the teleportation, or aren't properly prepared, there's a very good chance that part of your body will remain behind (though, thankfully, during all of the tutoring we see there are teachers on hand to reverse the process).
509* ThanatosGambit:
510** [[spoiler:Albus Dumbledore, though we don't learn it until the next book.]]
511** Also, apparently, R.A.B.
512* ThisIsMyChair: To assert his dominance as a sixth-year prefect, Ron ousts a first-year from a chair by the fire in the Gryffindor common room and sits in it himself. Hermione then prods Ron out of the chair and offers it to the first-year again.
513* ThisIsUnforgivable: Harry, when he discovers that [[spoiler:Snape was (inadvertently) responsible for Voldemort targeting his parents. Dumbledore actually has to get legitimately angry before Harry calms down. Of course, Snape killing Dumbledore in front of him mere hours later does not improve Harry's opinion of him.]]
514* TonightSomeoneDies: Book 6 was promoted by the information that one major character would die. Theories raged like wildfire for a year before its release.
515* TookALevelInBadass: After five books of mostly letting action come his way, relying too much on his friends, and showing a lack of interest in classes that leads to near-ineptitude in many skill sets necessary of a wizard, Harry takes a considerable leap forward in this book. He actively, against the wishes and advice of everyone around him, investigates his suspicion of Malfoy being a Death Eater, ultimately [[KnewItAllAlong proving to be right]]. He challenges Dumbledore in ways that don't come off {{angst}}y. He even improves considerably in fields such as Potions (admittedly partly due to having cheats fed to him by his book, though the point is also made how much better Harry is now that he wants to do well thanks to not having Snape looming over him) and with Charms, learning a handful of (admittedly dark) spells with no assistance, which is impressive when one recalls how, back in ''[[Literature/HarryPotterAndTheGobletOfFire Goblet of Fire]]'', Harry struggled with a simple Summoning spell that all adult witches and wizards know.
516* TooDumbToLive:
517** Defied by Snape when Narcissa implores him to intercede with Voldemort and convince him to remove Draco from his assignment. Snape outright tells her that Voldemort ''won't'' be persuaded and he's not stupid enough to attempt it.
518** Slughorn's reaction upon learning, yes, Dolores Umbridge ''was'' actually stupid enough to stride into the Forbidden Forest and call a horde of angry Centaurs "filthy half-breeds" in the last book. Slughorn even outright calls her an "idiotic woman."
519* ToxicFriendInfluence: Book 6 represents one of the first glimpses readers get at the way Death Eaters interact with each other, which largely consists of the most fanatical, bloodthirsty, and psychopathic among them attempting to cajole and bully others into their mold. Draco Malfoy's hardly a decent person, but he's nowhere near the level of veteran Death Eaters, something they're constantly on his case about.
520* TrappedWithTheTherapySession: Harry is eating dinner with Molly Weasley in the kitchen when Molly's husband Arthur comes home. Unfortunately, Arthur insists on following Ministry-approved procedure to make sure neither he nor Molly are Death Eaters (he himself knows it's stupid but has to set an example). When it turns out Arthur's password is "what Molly likes him to call her when they're alone together", an extremely embarrassed Harry starts slurping up his soup and making as much noise with the spoon as he can, but he still overhears her answer ("Mollywobbles").
521[[/folder]]
522
523[[folder:U–Z]]
524* UglyGuyHotWife:
525** After [[spoiler:Bill]] is mauled by the Death Eater-aligned werewolf Fenrir Greyback, [[spoiler:Fleur still loves him. This is what finally convinces Ginny and Molly Weasley to accept her]].
526** [[HotGuyUglyWife Inverted]] with [[spoiler:Merope Gaunt and Tom Riddle.]]
527** Downplayed with Lupin and Tonks. Tonks is described as "OK-looking" and Lupin's attractiveness isn't mentioned, but she is around twenty-three years old while Lupin is thirty-six and prematurely aged.
528* TheUnchosenOne: Dumbledore makes a point of making Harry realize that, regardless of the prophecy, what Harry does is ''his own'' decision and no one else's.
529-->"But, sir," said Harry, making valiant efforts not to sound argumentative, "it all comes down to the same thing, doesn't it? I've got to try and kill him, or --"\
530"Got to?" said Dumbledore. "Of course, you've got to! But not because of the prophecy! Because you, yourself, will never rest until you've tried! We both know it! Imagine, please, just for a moment, that you had never heard that prophecy! How would you feel about Voldemort now? Think!"\
531Harry watched Dumbledore striding up and down in front of him, and he thought. He thought of his mother, his father, and Sirius. He thought of Cedric Diggory. He thought of all the terrible deeds he knew Lord Voldemort had done. A flame seemed to leap inside his chest, searing his throat.\
532"I'd want him finished," Harry said quietly. "And I'd want to do it."
533* {{Understatement}}: The opening words of the chapter after Ron [[spoiler:accidentally consumes a love potion which makes him briefly obsessed with Romilda Vane, before drinking poisoned mead that is only a few seconds away from killing him stone dead,]] are Fred observing [[DeadpanSnarker "So, all in all, not one of Ron's better birthdays?"]]
534* UnequalRites: Neville's grandmother wants him to take Transfiguration at NEWT level instead of Charms despite his better grade in the latter. [=McGonagall=] reveals that Augusta only thinks Charms is a "soft option" because she ''failed'' her Charms O.W.L.
535* UnusualEuphemism: "Chest monster" is certainly an original term, though anyone who's been an adolescent male probably has no trouble sympathising.
536* UnwittingInstigatorOfDoom: Morfin Gaunt hexing Tom Riddle, Sr. This simple act sets off a chain of events that not only ends up destroying both of their families but also gives rise to the most dangerous Dark Wizard of all time.
537* UriahGambit: Voldemort doesn't actually think [[spoiler:Draco will successfully kill Dumbledore, so the whole thing is an exercise in futility to punish Lucius for his failure in the previous book.]] Because EvilCannotComprehendGood, Voldemort likely assumes [[spoiler:Dumbledore will kill Draco in self-defence. Furthermore, when Draco]] fixes the Vanishing Cabinet, Voldemort dispatches a B-team to accompany him. The incompetent Carrows, the [[FantasticRacism supposedly inferior]] werewolf Fenrir Greyback, and accidental TeamKiller Thorfinn Rowle certainly won't win awards for Death Eater of the Month compared to, say, Bellatrix Lestrange or Antonin Dolohov, who Voldemort could have chosen to send instead. He still wants Dumbledore dead, which is why he orders Snape to finish the job, but he certainly does not believe that [[spoiler:Draco Malfoy has even the slightest chance to kill the only one he ever feared.]]
538* WeHaveReserves: [[spoiler:Dumbledore invokes a variation of this trope with regard to Voldemort's Horcruxes; while Voldemort wanted his old diary to be smuggled back into Hogwarts to reopen the Chamber of Secrets, Dumbledore points out Voldemort was treating a precious fragment of his soul rather blasély and concludes Voldemort had more than one Horcrux so that one being destroyed (as happened to the diary) wouldn't be a complete loss for him]].
539* WhamEpisode:
540** [[spoiler:Dumbledore's death.]]
541** TheReveal that Voldemort made Horcruxes.
542* WhamLine:
543** Trelawny recalling the prophecy she told to Dumbledore.
544--->'''Trelawney:''' ...But then we were rudely interrupted by [[spoiler:Severus Snape!]]
545** The revelation of who the Half-Blood Prince really is.
546--->[[spoiler:'''Snape:''']] You dare use my own spells against me, Potter? It was I who invented them -- I, the Half-Blood Prince!
547** Shortly before the above, [[spoiler:Snape]] delivers a whopper that sends the entire fandom into turmoil: [[spoiler:'''"AVADA KEDAVRA!"''']]
548* WhatKindOfLamePowerIsHeartAnyway
549-->"So, when the Prophecy says, that I'll have 'power the Dark Lord knows not' it just means love?" asked Harry, feeling a little let down.\
550"Yes, just love," said Dumbledore.
551* WhatTheHellHero
552** Though morally questionable, Fudge seriously expected to get Harry's support to help him stay in office despite having run a smear campaign against Harry, Dumbledore, and their allies. Dumbledore, of course, flat out refuses to have anything to do with Fudge and won't let him get anywhere near Harry, but when the boy eventually finds out, he's rightly incredulous that Fudge was stupid enough to think that he could try to get Harry's help after everything he and his flunkies did.
553** Harry calls out Scrimgeour on resurrecting Barty Crouch, Sr.'s policy of imprisoning suspected Death Eaters with no trial.
554** Harry [[spoiler:using an unfamiliar spell, the effects of which were unknown, on Draco, resulting in Draco being severely injured. Fortunately, Snape knew how to heal him, being that he invented the spell, but Harry [[MyGodWhatHaveIDone feels appropriately guilty]] for the incident. Somewhat justified in that Draco attempted to hurt him first. Regardless, the fact that Harry could well have killed Draco makes it a pretty morally questionable move.]] Possibly justified in that Malfoy had been about to use the Cruciatus Curse on Harry, though this makes no sense, as that would have earned Malfoy a one-way ticket to Azkaban. [[FridgeBrilliance Then again]], it's abundantly clear that Draco is no longer thinking things through by this point.[[invoked]]
555** Harry gives one to Dumbledore for not telling him that [[spoiler:Snape gave Voldemort the information about the prophecy]], and letting Snape teach at Hogwarts despite that.
556* WokenUpAtAnUngodlyHour: Harry receives a visit from [[BigGood Professor Dumbledore]] in the middle of the night, waking the Dursleys in the process. He tells them about [[spoiler:Sirius Black's death]], and remind that next year Harry will be come of age at 17. Professor Dumbledore even calls out the Dursleys for mistreating Harry after all these years.
557* WorthyOpponent: Normally, Voldemort sends his Death Eaters to kill/threaten people to make them conform or kill them. When Amelia Bones became a nuisance he went after her ''personally'', leaving himself open to being seen, and apparently she put up a fight before she went down. Evidently, Voldemort considered her dangerous enough to handle himself...
558* WritingLines: In Charms, Seamus accidentally knocks Flitwick off his desk with a spell and in penance has to write [[invoked]][[SugarWiki/FunnyMoments "I am a wizard, not a baboon brandishing a stick."]]
559* XanatosGambit:
560** Voldemort's plan. The plan is to give Draco an impossible, likely-suicide mission [[IWillPunishYourFriendForYourFailure to punish Draco's father, Lucius, for his failure.]] But, hey, if Draco succeeds, all the better.
561** Voldemort's job interview with Dumbledore during one of the flashbacks is retroactively revealed to be one following ''Deathly Hallows''. [[spoiler:If the Headmaster hires him, then it gives Voldemort access to potential Hogwarts relics for Horcruxes, a recruiting ground for young Death Eaters, and stores of ancient magic to tap. If Dumbledore ''doesn’t'' hire him, that’s fine too since Voldemort can still use his brief access to the castle to hide one of his Horcruxes in the Room of Requirement.]]
562* YouExclamation: Morfin gives one when he sees his nephew, Tom Riddle (later Voldemort), mistaking him for his father (Tom Riddle Sr.), and immediately tries to attack him.
563* YouHaveGotToBeKiddingMe:
564** Although Harry doesn't say this trope word-for-word, this is his reaction when he learns that Cornelius Fudge had tried to gain his support in an attempt to keep his job despite having spent a year covering up Voldemort's return and smearing anybody who spoke the truth, including Harry himself.
565** Dumbledore is vocally disappointed when he finds out that the gate to the cave containing Voldemort's locket Horcrux won't open unless he sacrifices a bit of blood. [[EccentricMentor In his own way, of course.]]
566--->'''Dumbledore:''' Oh, surely not. So crude.
567* YourPrincessIsInAnotherCastle: Dumbledore and Harry go on a dangerous mission to find a Horcrux. [[spoiler:They find it ... and it's a fake.]]
568[[/folder]]

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