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1%% EDITORS NOTE:
2%%
3%% This page has been designated for trope clean-up. The page has gotten too cluttered, with examples that are misused foreshadowing, a misapplication of what is or is not a Chekhov's Gun, and poor examples.
4%% Before adding an example, ensure it meets the following criteria:
5%% 1) Is a concrete and specific example (more than just "This name gets dropped, and it turns out they are a person later")
6%% 2) Is confined to the series in which it is introduced (e.g. an element from the main book/movie series that gets expanded upon in Fantastic Beasts is NOT a Chekhov's Gun, as Rowling did not plan to make the Fantastic Beasts films at the time of writing of the original series). This also applies to Pottermore entries.
7%%
8%% If adding folders, ensure there is something there to include, not just to take space.
9If the ChekhovsArmoury in ''Literature/HarryPotter'' were an army, it would curbstomp everyone in a massive ZergRush, and possibly hand the victory to our heroes without even trying. Please list examples by the book in which the "gun" was introduced.
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11'''UNMARKED SPOILERS AHEAD!'''
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13[[foldercontrol]]
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15[[folder:Harry Potter and the Philosopher's/Sorcerer's Stone]]
16* An owl flutters past the window of Four Privet Drive on the morning after the night of Voldemort's defeat. As owls are soon revealed to be messengers for the magical community, this seems to subtly hint at the presence of a witch or wizard living in Little Whinging. In ''[[Literature/HarryPotterAndTheOrderOfThePhoenix Order of the Phoenix]]'', it is revealed that their neighbor, Mrs. Figg, is a Squib.
17* Dumbledore appears "so suddenly and quietly you'd have though he'd just popped up out of the ground" and later disappears in the same way. Magical teleportation receives a proper name, Apparition, in the next book, and becomes an important method of transportation later in the series.
18** Apparition is stated to make a loud CRACK! when it happens, like a car backfiring. But in the same book, Dumbledore states that he can become invisible without an Invisibility Cloak. He was likely using his Disillusionment charm to make himself invisible until he was ready to appear.
19* Dumbledore's nose is described as "crooked, looking as though it had been broken at least twice." We learn in ''[[Literature/HarryPotterAndTheDeathlyHallows Deathly Hallows]]'' that it was broken by his brother Aberforth at the funeral of their sister Ariana.
20* Dumbledore's "Put-Outer" becomes critical to the plot about halfway through ''Deathly Hallows''.
21* Dumbledore offers [=McGonagall=] a sherbet lemon (lemon drop in the American text). This is used as the password for his office in ''Chamber of Secrets'', and establishes a pattern of Dumbledore using sweets as his office passwords, which allows Harry to guess the current password correctly in ''Goblet of Fire''.
22* [=McGonagall=] mentions Godric's Hollow as being the home of the Potters, which becomes a major location in ''Deathly Hallows'', where we learn that the Dumbledore family and Bathilda Bagshot lived there for a time. It will become crucial as Voldemort knows where to look.
23* The circumstances behind Harry's survival and Voldemort's initial destruction are discussed, but they are not revealed until ''[[Literature/HarryPotterAndTheHalfBloodPrince Half-Blood Prince]]'' and ''Deathly Hallows''. Dumbledore remarks that "we can only guess," though ''Half-Blood Prince'' reveals that he, in fact, began extensive research on the subject.
24* Hagrid mentions borrowing the flying motorbike from Sirius Black, who becomes a major character starting in ''[[Literature/HarryPotterAndThePrisonerOfAzkaban Prisoner of Azkaban]]'', while the bike itself reappears in ''Deathly Hallows''.
25* Harry is left on the Dursleys' doorstep with nothing but a letter. The letter is not referenced again until ''Order of the Phoenix'' and ''Half-Blood Prince''.
26* Petunia Dursley is established as an important character, though a reader may wonder why Dumbledore took Harry to live with his horrible, abusive relatives or why Harry in the later books even bothers to return to the Dursleys' home at the end of each school year. In ''Order of the Phoenix'', it's revealed that because she has Lily's blood in her, her presence protects Harry from Voldemort until he comes of age.
27* Mrs. Figg is a very minor character here and outside of a passing mention at the end of ''Goblet of Fire'', does not appear again until ''Order of the Phoenix'', where she is important early in the plot, revealed to be a Squib and a friend of Dumbledore's meant to help watch over Harry in the Muggle world.
28* Harry discovers that he is able to communicate with a boa constrictor at the zoo. This ability, Parseltongue, is elaborated on in ''Chamber of Secrets'' and its origin in Harry is not explained until ''Deathly Hallows''.
29* Harry remembers the flash of green light, which is not revealed to be the Killing Curse until ''[[Literature/HarryPotterAndTheGobletOfFire Goblet of Fire]]''. The fact that he has memories of when he was only one year old (and thus biologically unable to form memories) is indirectly explained in ''Deathly Hallows'' as actually being the memories of Voldemort's Horcrux.
30* Harry recalls being bowed to by a little man in a top hat, who is later revealed to be Dedalus Diggle. He does not become an important character until ''Order of the Phoenix''. Diggle is also mentioned in the first chapter as a possible culprit for the mysterious shooting stars celebrating Voldemort's defeat.
31* Harry's letter lists "Order of Merlin, First Class" as one of Dumbledore's titles. It is revealed in ''Deathly Hallows'' that this was awarded to him in 1945 for defeating Gellert Grindelwald.
32* Hagrid mentions Voldemort's followers, who are not identified as Death Eaters until ''Goblet of Fire''. He also vaguely describes the First Wizarding War, which is elaborated on significantly in ''Order of the Phoenix''. Furthermore, Hagrid mentions the Bones and Prewett families as being families torn apart by Voldemort and his followers, members of which later appear in the series in tragic echoes.
33** Molly Weasley née Prewitt's brothers Fabian and Gideon died fighting the Death Eaters. Molly would give her twin sons Fred and George their initials. However, one of them would be maimed and the other would die fighting the Death Eaters years later.
34** Amelia Bones appears as the presiding judge of Harry's expulsion and improper use of magic case in ''Order'', but she later faces Voldemort directly in the Second War and is slain.
35* Hagrid speculates that Voldemort didn't have enough human left in him to die. ''Half-Blood Prince'' reveals this to be true. He also adds that some believe he's still out there "somewhere", which, in ''Chamber of Secrets'', is revealed to be Albania.
36* Hagrid says that some of Voldemort's followers came out of trances, which is revealed to be caused by the Imperius Curse in ''Goblet of Fire'', and would later be used extensively once again.
37* Hagrid says that Hogwarts is "the finest school of witchcraft and wizardry in the world," implying that others exist. We learn about two others in this series, Beauxbatons and Durmstrang, in ''Goblet of Fire''. Others would be revealed via post-series WordOfGod, including Illvermorny in the United States.
38* Hagrid says that he was expelled from Hogwarts in his third year. The circumstances behind this are explored in ''Chamber of Secrets''.
39* Hagrid says that Dumbledore declined to become Minister for Magic, but the actual reason is not revealed until ''Deathly Hallows''. He also mentions the current Minister, Cornelius Fudge, as being someone who constantly asks Dumbledore for advice in his early years. He first appears in ''Chamber of Secrets'' and remains an important character until ''Half-Blood Prince'', and it becomes more and more apparent that he is not at all cut out to be Minister in a time of crisis, eventually culminating in him [[HeadInTheSandManagement denying that Voldemort has returned at all despite Harry's eyewitness account]].
40* Harry's course books include ''A History of Magic'' by Bathilda Bagshot, who is important in ''Deathly Hallows'' and whose magical history expertise causes her to be targeted by both Rita Skeeter for her smear book on Dumbledore, and Lord Voldemort to attempt to hinder Harry in any way possible.
41* Hagrid speculates on the reasons for Quirrell's twitchiness. Though the reasons were well-established by the end of this book, the circumstances are not revealed until ''Goblet of Fire''.
42* Harry finds a book at Flourish and Blotts that mentions the tongue-tying curse, which comes up again in ''Deathly Hallows'' to prevent Snape from revealing the location of 12 Grimmauld Place to the Death Eaters [[spoiler: or it would have done so had Snape not been truly loyal to Dumbledore.]]
43* Ollivander mentions that James Potter's wand was "excellent for transfiguration". In ''Prisoner of Azkaban'', we learn that he was highly skilled at transfiguration, as he was able to become an Animagus (namely a stag).
44* The wand that chooses Harry has a phoenix feather core from the same phoenix that provided the feather for Voldemort's wand. Not only does the phoenix, Fawkes, appear in ''Chamber of Secrets'' (though the fact that it's Fawkes' feather isn't revealed until ''Goblet of Fire''), but the matching cores is a critical plot point from ''Goblet of Fire'' on. The fact that Voldemort and Harry were chosen by "brother wands" may also, like Harry's use of Parseltongue, be an early indication that the latter is an unknowing Horcrux of the former.
45* Ron mentions his mother having a (presumably non-magical) second cousin who is an accountant. The existence of Squibs is fully revealed in ''Chamber of Secrets''.
46* Dumbledore's Chocolate Frog card mentions both Gellert Grindelwald and Nicolas Flamel. The mention of Flamel is important later in the book, and Grindelwald is important in the backstory revealed in ''Deathly Hallows'' and is the BigBad of [[Film/FantasticBeasts the prequel movies]].
47* Harry notices that Quirrell is wearing a purple turban that he was not wearing when they first met and shook hands. The reason for this turban is revealed at the end of the book.
48* Seamus asks Nearly-Headless Nick how the Bloody Baron got covered in blood. The answer is revealed in ''Deathly Hallows'' (also revealing the Baron as one of the oldest Hogwarts ghosts, alongside Ravenclaw's house ghost the Grey Lady (who reveals herself as co-founder Rowena's daughter Helena)).
49* When Snape is introduced, he is looking directly at Harry's eyes, not his scar. The reason why is revealed in ''Deathly Hallows''.
50* In the very same scene, Harry's scar begins hurting, but this is not because of Snape, but because Quirrel is hosting Voldemort and is in the vicinity.
51* Percy explains that Snape knows a lot about the Dark Arts. We learn in ''Goblet of Fire'' that he used to be a Death Eater.
52* The Weasley twins are said to know more about the castle's secret passages than anyone. ''Prisoner of Azkaban'' reveals that this is because of the Marauder's Map (a magical map made by the namesake Marauders Remus Lupin (Moony), Peter Pettigrew (Wormtail), Sirius Black (Padfoot), and James Potter (Prongs).
53* Quirrell's excuse for his turban is that it was a gift from an African prince for getting rid of a zombie. Inferi, animated corpse slaves, are important in ''Half-Blood Prince''.
54* The bezoar mentioned briefly in Harry's first Potions class is later forgotten in ''Goblet of Fire'' (Harry doesn't add it to an antidote he's brewing in Potions, earning himself a zero), used in ''Half-Blood Prince'' for Harry to circumvent an antidote challenge, and again in ''Half-Blood Prince'' to save Ron after he accidentally drinks a bottle of poisoned mead (the mead was meant for Dumbledore).
55* The first years learn ''Wingardium Leviosa'', the levitation charm, which comes in handy later in the book as well as the series.
56* Hermione's bluebell flames first appear with little importance but become very useful later in the chapter for distracting Snape (and, in truth, Quirrell) and later repelling the Devil's Snare.
57* The Snitch from Harry's first Quidditch match and that he nearly swallowed it become important again towards the end of ''Deathly Hallows''.
58* Ron's skill at wizard chess is established before Christmas and comes in handy later in the book.
59* Two of Harry's Christmas presents are important later. Hagrid's flute is useful for lulling Fluffy to sleep, while his father's invisibility cloak is important throughout the series and its true nature is revealed in ''Deathly Hallows'' (as one of the namesake Hallows).
60* The Mirror of Erised is later used to hide the Philosopher's Stone.
61* On the way to the mirror, Harry and Ron pass "the ghost of a tall witch." This is the Grey Lady, Helena Ravenclaw, whose backstory is revealed in ''Deathly Hallows'' (in conjunction with the Bloody Baron's story).
62* Dumbledore tells Harry that he can become invisible without using a cloak. The means for doing so, the Disillusionment Charm, are shown in ''Order of the Phoenix''.
63* When Harry asks Dumbledore what he sees in the Mirror of Erised, he says a pair of woolen socks. Harry thinks that he might not be honest, but is polite enough not to pry since it is an exceedingly personal question. Dumbledore ''is'' lying, but what he actually sees, his family alive and well, is not revealed until ''Deathly Hallows''.
64* The Elixir of Life produced by the Philosopher's Stone makes the drinker immortal. This hints at Voldemort's fear of death, the extent of which is revealed in ''Half-Blood Prince''.
65* At one point, Harry has the horrible feeling "that Snape could read minds." We learn in ''Order of the Phoenix'' that he can--such an ability is known as Legilimency, though Snape is adamant that it is more complicated than simply reading minds.
66* Harry looks up Dittany while studying. This plant reappears in ''Half-Blood Prince'' and ''Deathly Hallows'' for treating severe injuries.
67* Hagrid says he won a dragon egg off a stranger in the village. The stranger turns out to be Quirrell, while the village, Hogsmeade, becomes an important location starting in ''Prisoner of Azkaban''. Hagrid also mentions the Hog's Head Inn, which becomes important starting in ''Order of the Phoenix'' (and ''Deathly Hallows'' reveals it to be run by Albus' brother Aberforth).
68* Filch says that he keeps chains in his office in case he's ever allowed to use them again. He almost gets the chance in ''Order of the Phoenix'', though Umbridge is sacked before he can do it.
69* Malfoy claims there are werewolves in the Forbidden Forest. When the nature of werewolves is explained in ''Prisoner of Azkaban'', his claim is revealed as anti-werewolf prejudice which is a part of the series from that book on.
70* The centaurs reappear in ''Order of the Phoenix'' and are important to the plot, exiling Firenze for agreeing to teach at Hogwarts, having tensions with Hagrid for bringing a giant into the forest, disposing of Umbridge due to Hermione's trickery, and then almost killing Harry and Hermione when Hermione admits she was using them. They later help turn the tide against the Death Eaters during the Battle of Hogwarts.
71* Both Ronan and Bane say that "Mars is bright tonight." In ''Order of the Phoenix'', Firenze calls Mars the "bringer of battle." Their divination predicts that war is coming, and it eventually does. Harry grouses that Bane probably wanted to let Voldemort kill him in the Forbidden Forest because the stars foretold such a thing. In ''Deathly Hallows'', Voldemort '''does''' kill Harry there, although it doesn't stick (he only succeeds in killing the accidental Horcrux he left in Harry's scar).
72* Quirrell drinks unicorn blood to make Voldemort stronger. Unicorn blood is later used in ''Goblet of Fire'' as one of the ingredients to give Voldemort a rudimentary body. Firenze also says that drinking unicorn blood curses the drinker, which seems accurate given that the rest of Quirrell (and Voldemort)'s life is unpleasant and short, with Voldemort outright BarredFromTheAfterlife.
73* Hermione says [=McGonagall=] told her that fortune-telling is "a very imprecise branch of magic." This is greatly expanded on in ''Prisoner of Azkaban'', with Professor Trelawney's Divination class.
74* [=McGonagall=] says that Dumbledore flew to the Ministry of Magic. In ''Order of the Phoenix'' it is revealed that he rides one of the school's Thestrals when he doesn't feel like Apparating.
75* Harry says that if Voldemort takes over, he would turn Hogwarts into a school for the Dark Arts. This is exactly what he tries to do in ''Deathly Hallows''.
76* The Devil's Snare is briefly important here as an obstacle to the Philosopher's Stone, and again in ''Order of the Phoenix'', where it is disguised as a house plant to murder someone.
77* Dumbledore says that Voldemort is not truly alive, and thus cannot be killed. The details of this are revealed in ''Half-Blood Prince''.
78* Harry asks Dumbledore why Voldemort tried to kill him in the first place, but Dumbledore declines to answer. Voldemort's motivation, a prophecy, and the contents of the prophecy, are revealed in ''Order of the Phoenix''.
79* Dumbledore tells Harry that James saved Snape's life, the circumstances of which are revealed in ''Prisoner of Azkaban''. He also claims that this is why Snape protected Harry from Quirrell, though ''Deathly Hallows'' reveals that he actually did it out of love for Lily.
80* Hagrid gives Harry a photo album with pictures of his parents from their old school friends, one of whom was undoubtedly Remus Lupin, who first appears in ''Prisoner of Azkaban''. Harry also briefly looks into the album (also during ''Azkaban'') when he learns Sirius Black is a friend of James Potter.
81* It is mentioned that Neville got good marks on his herbology exam. His interest and talent for the subject grows throughout the series until, by the epilogue of ''Deathly Hallows'', he becomes the Hogwarts herbology professor.
82* The students are given notes forbidding them from using magic over the summer holiday, presumably mentioning the Decree for the Reasonable Restriction of Underage Sorcery, which is a plot point later that summer in ''Chamber of Secrets'' and again in ''Order of the Phoenix''.
83* Ron promises to send Harry a letter inviting him to stay. He later does, only to have it stolen by Dobby before it can arrive prior to ''Chamber of Secrets''.
84* The Sorting Hat almost places Harry in Slytherin House before he begs not to go there. It's likely that the Hat was partially picking up on the piece of noted Slytherin Voldemort's soul left in Harry.
85[[/folder]]
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87[[folder:Harry Potter and the Chamber of Secrets]]
88* Dobby almost speaks ill of the family he serves, but their name is notably unsaid. They are later revealed to be the Malfoys.
89* Harry receives a warning for "his" use of magic outside of school from Mafalda Hopkirk, who later becomes a character Hermione impersonates in ''Deathly Hallows''. This is also the first hint that the Ministry is able to keep tabs on underage wizards' magical use, which becomes important in ''Order of the Phoenix'' and ''Deathly Hallows''.
90* Harry is threatened with expulsion should he perform any more magic, which is his fear in ''Prisoner of Azkaban'' and actually happens illicitly before a hasty reduction to a hearing in ''Order of the Phoenix''.
91* The flying Ford Anglia is used to take Harry from the Dursleys' house. Then again when Harry and Ron miss the Hogwarts Express and fly it to Hogwarts and then for them to escape from the Acromantulas in the Forbidden Forest.
92* The Weasleys have a ghoul in their attic. It serves an important function in ''Deathly Hallows'', disguised as a Spattergroit-infected Ron.
93* George references Percy's strange behavior, which continues through the book. It is eventually revealed that he has a girlfriend, Penelope Clearwater, who becomes a Petrified victim of the basilisk.
94* Gilderoy Lockhart first appears in a photograph on a book cover, and is later a major character throughout the book.
95* Arthur mentions that Mundungus Fletcher tried to hex him during a raid. He is mentioned again in ''Goblet of Fire'' and then becomes an important character from ''Order of the Phoenix'' on.
96* When life at the Burrow is first described, we are told that "small explosions from Fred and George's bedroom were considered perfectly normal." In ''Goblet of Fire'', it turns out that the explosions were a side effect of the twins working on joke products they hope to eventually sell.
97* The O.W.L.s, wizard standardized tests, are mentioned for the first time. They become important to the plot in ''Order of the Phoenix''.
98* When Harry accidentally transports himself to Borgin and Burkes, he encounters a number of things that are important later in ''Half-Blood Prince''. First, he hides inside a large black cabinet and is careful to leave the door open a crack. Had he shut it all the way, he would have learned a few years early that it is a Vanishing Cabinet with a twin located at Hogwarts. Draco examines a cursed opal necklace that "Has Claimed the Lives of Nineteen Muggle Owners to Date" (an argument over the package containing it nearly kills Katie Bell) and the Hand of Glory, both of which he will later use in his attempt to assassinate Dumbledore. The store itself makes an important reappearance in ''Half-Blood Prince'', where we also learn that Voldemort used to work there to gain access to rare heirlooms for Horcruxes.
99* Lucius Malfoy arranges for Borgin to collect Dark Artifacts from Malfoy Manor, which is an important location in ''Deathly Hallows''.
100* Fred, George, and Lee Jordan buy Filibuster Fireworks at Gambol and Japes. They shoot some off on the last day of vacation, George forgets the box when they are leaving to go to King's Cross, then he and Fred attempt to feed one to a Salamander at Halloween, and finally, Harry uses one to create a diversion in Potions class so Hermione can obtain the last two ingredients they need for the Polyjuice Potion.
101* Ron tells Hermione and Harry that Percy wants to be Minister for Magic. Percy embarks on his Ministry career in ''Goblet of Fire'' and his loyalty to the Ministry in ''Order of the Phoenix'' creates a rift between him and his family until late in the final book.
102* Lucius picks up Ginny's copy of ''A Beginner's Guide to Transfiguration'' and returns it to her cauldron. It is later revealed that he also slipped Tom Riddle's diary into her stack of books.
103* The spell Arthur used to enlarge the interior of the car is an Undetectable Extension Charm, which shows up later on, most notably with Moody's trunk in ''Goblet of Fire'' and Hermione's handbag in ''Deathly Hallows''.
104* The Weasleys have to stop on the way to the station because Ginny forgot her diary, or, more accurately, Tom Riddle's diary, at home.
105* When Harry and Ron try to get to Platform 9 3/4, the barrier is blocked. They later learn this was done by Dobby.
106* Ron mentions Apparition by name, which later becomes an important method of transportation later in the series.
107* Ron crashes the flying Ford Anglia into the Whomping Willow. The tree becomes far more significant in ''Prisoner of Azkaban'', which explains its origins on the Hogwarts grounds and the method to halt its aggression.
108* The second years repot Mandrakes in their first Herbology lesson. Hermione explains their curative effects, which is critically important later in the book to restore those petrified by the basilisk and the fatal cries of adult Mandrakes, which comes up again in ''Deathly Hallows'' when they're used as part of the defensive measures during the Battle of Hogwarts.
109* Ron's broken wand, with spells backfiring on him, is mostly used for comic relief throughout the book. However, it ultimately saves Ron's and Harry's memories when Lockhart attempts to obliviate them with it.
110--->'''Ron''': Lockhart's Memory Charm backfired!
111* Ron's jealousy over Hermione's crush on Lockhart is the first hint at his attraction to her that develops across the series.
112* Hermione can't believe that Lockhart is an inept teacher and wizard, she talks about the amazing things he has done. Ron retorts with "He ''says'' he's done." Lockhart himself reveals that he's a fraud, going to the real people who have done the heroic deeds, listening to the exact details, and then wiping their memories clean with his speciality, the Memory Loss Charm.
113* Draco Malfoy calls Hermione "filthy little Mudblood" and it is stressed upon how highly offensive the term is to Muggle-Borns. In ''Order of the Phoenix'', we learn that, in the past, Snape called Harry's mother that, which turned her against him and denied him any chance with the woman he was in love with. These events fuel much of Snape's motivation throughout the entire series.
114* Hagrid tells the trio that the Defense Against the Dark Arts position is rumored to be jinxed. Sure enough, no teacher holding that post lasts for more than one school year throughout the series. In ''Half-Blood Prince'', we learn that Voldemort himself cursed the job when he was denied it.
115* Ron alludes to the concept of pure-blood supremacy (which his family doesn't follow), which is important later in the book and is a central tenet of the Death Eaters' philosophy later in the series.
116* Hagrid's expulsion from Hogwarts is brought up again and is explained later in the book.
117* During his detention with Lockhart, Harry hears a voice talking about killing. This is coming from the basilisk slithering around in the pipes.
118* Ron mentions vomiting slugs all over an Award for Special Services to the School during his detention with Filch. This trophy, as he later remembers, was awarded to Tom Riddle, A.K.A. Voldemort.
119* Peeves smashes a Vanishing Cabinet, the twin of the one in Borgin and Burkes, which comes up again in ''Order of the Phoenix'' (Fred and George shove Graham Montague through it), and then is critical to the plot of ''Half-Blood Prince'', when Malfoy spends all year mending it to use in his attempt to assassinate Dumbledore.
120* Hermione says that Moaning Myrtle's bathroom has been closed all year because she keeps flooding it. Not only is Myrtle a victim of the basilisk, the bathroom was flooded by the basilisk itself. The bathroom itself is vastly important later in the book, as the trio uses it to brew Polyjuice Potion and it contains the entrance to the Chamber of Secrets.
121* The spiders acting strangely eventually leads Harry and Ron to Aragog and is a sign of the Basilisk.
122* Polyjuice Potion is used relatively innocently here, but later in the series, it becomes an important tool for good and for evil.
123* Dobby tells Harry that he can only be freed if his masters present him with clothes, and that if he was presented with even a sock, he would be free to leave his masters' house forever. At the end, Harry tricks Lucius Malfoy into doing just that (with a sock), releasing Dobby from servitude.
124* Dumbledore says the question is not ''who'' opened the Chamber of Secrets again but ''how''. He already knows that Tom Riddle opened it in the first place, he just doesn't have any evidence to prove it and can't explain how he's managed it this time.
125* Seamus says that dueling lessons "might come in handy one of these days..." Indeed they do when the Second Wizarding War begins.
126* Harry learns his signature spell - Expelliarmus, the Disarming Charm - from Snape, of all people, at the Dueling Club. This is also the spell that protects Harry in his duels with Voldemort.
127* After Ron and Hermione learn Harry is a Parselmouth, they worry that people will think he's Salazar Slytherin's "great-great-great-great-grandson." He's not, but the piece of Voldemort's soul living in him is indeed descended from Slytherin.
128* Hagrid speculates that his roosters were killed by foxes or a Blood-Sucking Bugbear. They were actually killed by Ginny.
129* Previous Hogwarts Headmasters appear sleeping in their portraits. These include Armando Dippet (the headmaster before Dumbledore, who is important in the backstory of this book), Dilys Derwent and Dexter Fortescue (who are important in saving Arthur Weasley's life in ''Order of the Phoenix'' as one has a second portrait in the Ministry of Magic and the other has a second portrait at St. Mungo's), and Phineas Nigellus Black (who becomes very important in ''Order of the Phoenix'' and ''Deathly Hallows'').
130* Harry encounters the Sorting Hat again. It shows up later in the book during a critical moment.
131* When Harry meets Fawkes, Dumbledore explains that Phoenixes can carry enormous weight and their tears have healing powers, both of which are very useful later in the book. They also regularly die and then return to life, which allows Fawkes to intercept Voldemort's Killing Curse meant for Dumbledore in ''Order of the Phoenix''. Fawkes himself is the Phoenix who gave the feathers for Voldemort's and Harry's wands, as revealed in ''Goblet of Fire''.
132* While disguised as Crabbe and Goyle, Ron and Harry run into a Ravenclaw girl who later turns out to be Penelope Clearwater, who gets petrified by the basilisk. She was also in the general vicinity of Percy, whom she is dating.
133* A ''Daily Prophet'' article mentions that Lucius Malfoy is one of the Hogwarts governors, which is important later in the book for getting Dumbledore suspended as Headmaster.
134* Malfoy says that the last time the Chamber was opened, a Muggle-born died. This turns out to be Moaning Myrtle.
135* Malfoy is the first to mention Azkaban, the wizard prison. Hagrid is sent here later in the book, and, obviously, it becomes important from ''Prisoner of Azkaban'' on.
136* Malfoy unknowingly reveals to Harry and Ron that Malfoy Manor has a "secret chamber under the drawing-room floor." This is used in ''Deathly Hallows'' to imprison Ollivander, Luna, Griphook, Dean Thomas, and, briefly, Harry and Ron.
137* The trio discovers the diary of T.M. Riddle in the bathroom. This turns out to be the thing responsible for Ginny opening the Chamber of Secrets, possessed by T.M. Riddle, a young Voldemort. As we learn in ''Half-Blood Prince'', the diary was one of Voldemort's Horcruxes (made such through the Basilisk killing Myrtle), which Harry destroys by stabbing it with a basilisk fang, unwittingly and permanently weakening Voldemort's claim to immortality.
138** Riddle tells Harry that he stored his memories in the diary in a "more lasting way than ink." In ''Half-Blood Prince'', the method is revealed to be storing a piece of his soul in it.
139* Lockhart mentions Love Potions on Valentine's Day, and they become very important in ''Half-Blood Prince'' when Ron drinks one (leading to the poisoned mead incident under the ''Philosopher's Stone'' section above) and we learn Voldemort was conceived under its influence.
140* Harry travels into Riddle's memory. This type of magic becomes important from ''Goblet of Fire'' on with Dumbledore's Pensieve.
141* Riddle mentions that he was named "Tom after his father, and "Marvolo" after his grandfather. Marvolo Gaunt becomes an important albeit posthumous character in ''Half-Blood Prince''.
142* In Riddle's memory, Harry catches a glimpse of Aragog, who is important later in the book: Riddle framed him as the beast in the Chamber of Secrets to get Hagrid expelled as a scapegoat, which Aragog reveals to Harry after Hagrid directs him to his lair.
143* The second years sign up for third-year electives. Harry and Ron take the same classes, which are revealed in ''Prisoner of Azkaban'' to be Divination and Care of Magical Creatures, while Hermione signs up for them all, and is revealed late in the next book to have received a Time-Turner at the start of the third year in order to accomplish this.
144* Percy advises Harry to play to his strengths, and Harry feels that his only strength is Quidditch. A similar exchange takes place with far more importance between Harry and Professor Moody in ''Goblet of Fire'' prior to the First Task.
145* Hermione rushes off to the library after Harry hears the voice again, and she gets petrified. We later learn that she tore out a page on Basilisks and was on her way back, checking around corners with a mirror when she and Penelope Clearwater were attacked.
146* When Percy finds out about Penelope Clearwater, he is left in shock, presumably because he didn't think the monster would dare attack a prefect. We later learn that she is actually Percy's girlfriend.
147* Hagrid accuses Lucius Malfoy of threatening and blackmailing the other Hogwarts governors. This turns out to be exactly the case.
148* Lucius mentions the "Azkaban guards," i.e. the Dementors, who make their first appearance in ''Prisoner of Azkaban''.
149* Dumbledore says that he'll only truly be gone when no one left is loyal to him, and that help will always be given at Hogwarts to those who ask for it. This is repeatedly important later in the book and later in the series.
150* Dumbledore makes the aforementioned statement having looked towards Harry and Ron while they are hiding under the invisibility cloak in Hagrid's Hut. Harry wonders if Dumbledore could see them. [[WordofGod Word of God]] confirmed this to be sort-of true; he is aware of their presence having silently cast ''homenum revelio'', a presence-revealing spell. Hermione uses this spell in ''Deathly Hallows'', and non-verbal casting is explored further in ''Half-Blood Prince''.
151* Ron is scared that there are werewolves in the Forbidden Forest. This is another instance of the ignorance and prejudice faced by werewolves that becomes apparent in ''Prisoner of Azkaban''.
152* Percy reveals that Ginny walked in on him doing something embarrassing, later revealed to be kissing his girlfriend Penelope.
153* Harry and Ron hide in the staffroom wardrobe. A boggart takes up residence there in ''Prisoner of Azkaban'' which Professor Lupin uses for a practical lesson.
154* Riddle mentions his "most intimate friends," who are revealed in ''Half-Blood Prince'' to have been the earliest Death Eaters and included Antonin Dolohov and Nott as well as the elder Lestrange, Rosier, Avery, and Mulciber.
155* We learn in ''Deathly Hallows'' that Gryffindor's sword was imbued with Basilisk venom when Harry killed the basilisk with it, which enables them to use it to destroy other Horcruxes, specifically the ring, the locket, and Nagini.
156* Ron and Hermione return to the Chamber of Secrets in ''Deathly Hallows'' to retrieve a Basilisk fang and destroy Hufflepuff's cup.
157* Dumbledore's sources tell him that Voldemort is currently hiding in the forests of Albania. In ''Goblet of Fire'', this is where Peter Pettigrew reunites with Voldemort and captures Bertha Jorkins, leading to the plan that results in Voldemort's resurrection. The nation is mentioned again in ''Deathly Hallows'', as this is where Helena Ravenclaw hid her mother's diadem, and where Voldemort traveled to turn it into a Horcrux.
158* Dumbledore says that Voldemort underwent "dangerous, magical transformations" in the past, which we learn in ''Half-Blood Prince'' to be splitting his soul into pieces.
159* Dumbledore tells Harry that he suspects a part of Voldemort may live inside him. In ''Deathly Hallows'', this proves true and Harry turns out to be an unintentional Horcrux.
160* Dumbledore points out that only a true Gryffindor could pull Godric Gryffindor's sword out of the Sorting Hat. In ''Deathly Hallows'', demonstrating true Gryffindor qualities is what allows Ron to use the sword to destroy the locket, as well as Neville, who summons the sword and kills Voldemort's final Horcrux, Nagini.
161* Dumbledore says that he needs to hire a new Defense Against the Dark Arts Professor. In ''Prisoner of Azkaban'', he ends up hiring Remus Lupin.
162* Dobby reappears in ''Goblet of Fire'', becoming an important character from then on.
163* The last we hear of Lockhart, he's being sent off to get his memories back. When he reappears at St. Mungo's in ''Order of the Phoenix'', he's not much better off, but he is used to segue into the Trio noticing another group of important characters affected mentally by magic, Boderick Bode (who ends up killed by a disguised Devil's Snare) and Neville's parents (tortured into insanity by four Death Eaters, led by Bellatrix Lestrange).
164* At the end, Harry gives Ron the Dursleys' telephone number. Ron ends up calling at the beginning of ''Prisoner of Azkaban'', with disastrous results.
165* Colin Creevey mentions taking photos with his camera. This ends up saving his life when he encounters the Basilisk: thanks to seeing the beast through his camera, he ends up petrified instead of killed.
166[[/folder]]
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168[[folder:Harry Potter and the Prisoner of Azkaban]]
169* The newspaper article and photo of the Weasley family's vacation to Egypt allows Sirius Black to learn Peter Pettigrew is alive and where he is, and thus is the catalyst for the entire plot of the book (though it is initially assumed he's actually after Harry).
170* Ron gives Harry a Pocket Sneakoscope for his 13th birthday, claiming it kept going off because Fred and George put beetles in Bill's soup. It was actually going off because Scabbers is Peter Pettigrew in disguise. It continues to do this when Scabbers is around, so Harry assumes that it is defective, when it's actually working perfectly.
171* Hermione mentions studying the "local history of witchcraft" in France, which undoubtedly includes Beauxbatons Academy of Magic, which becomes important in ''Goblet of Fire''.
172* Hagrid sends Harry ''The Monster Book of Monsters'', hinting that it will come in handy. Hagrid is later revealed to have been hired as the Care of Magical Creatures Professor.
173* Harry learns that he needs a guardian's signature to go to Hogsmeade. These trips become important to the plot, and his signature is eventually supplied by Sirius Black.
174* Sirius Black is mentioned on a Muggle news broadcast. He is soon revealed to be the eponymous prisoner of Azkaban and is a major character in the series.
175* Harry recalls that he will be expelled if he performs any more magic outside of school. He gets excused this time, but not in ''Order of the Phoenix''.
176* Harry sees something menacing him in Magnolia Crescent. It is later identified as a black dog, presumed to be a Grim, but eventually revealed to be Sirius Black in his Animagus form.
177* It is mentioned that Cornelius Fudge informed the Muggle Prime Minister of Black's escape. The Prime Minister shows up again in ''Half-Blood Prince'' and we see this notification through the Prime Minister's eyes.
178* Stan Shunpike mentions the Azkaban guards, AKA Dementors, who are important later in the book and the series. Stan himself also ends up becoming a more prominent character during the first major battle depicted in ''Deathly Hallows''.
179* Fudge says he's sure that Harry and the Dursleys care for each other "''very'' deep down." He is proven somewhat correct in ''Deathly Hallows'', during their awkward farewell.
180* Someone in Diagon Alley mentions that the Irish national Quidditch team is a favorite for the World Cup. The World Cup takes place during ''Goblet of Fire'', and Ireland beats Bulgaria and wins (they were up sixteen goals when Bulgarian Seeker Viktor Krum caught the Golden Snitch).
181* Harry sees the Firebolt in Diagon Alley, and later gets one for Christmas from Sirius after his Nimbus 2000 is smashed, using it throughout the series.
182* Ron mentions that Scabbers isn't looking well. This is because he's terrified because Sirius Black is looking for him, and is also trying to give himself a convenient excuse to fake his own death again.
183* Crookshanks' vendetta against Scabbers is a recurring plot point. This is because Crookshanks has picked up on the fact that Scabbers is not what he appears to be.
184* Black muttering "He's at Hogwarts" in his sleep seems to refer to Harry, but he's actually talking about Peter Pettigrew.
185* Professor R.J. Lupin initially just seems to be the new Defense Against the Dark Arts Professor. We later learn that he has a connection to Harry's parents and Sirius Black and that he is a werewolf.
186* Hermione mentions the Shrieking Shack, which is an important location later in the book and again in ''Deathly Hallows''.
187* The Dementor causes Harry to hear someone screaming, later revealed to be a memory of his mother's death.
188* Lupin conjures a "silvery thing", which turns out to be a Patronus Charm, which is important later in the book and throughout the series.
189* Harry notes that the stagecoaches are presumably pulled by invisible horses. The Thestrals make their first visible appearance in ''Order of the Phoenix'', where it's revealed only those who have witnessed death can see them (and Cedric Diggory's death near the end of ''Goblet of Fire'' gave Harry that ability).
190* Professor [=McGonagall=] briefly meets with Hermione regarding her schedule. We later learn that she gave her a Time-Turner and told her how to use it. This Time-Turner later becomes crucial to the book's third act, where Harry and Hermione use it to free Buckbeak and Sirius.
191* Harry notices that Snape is glaring at Lupin with a look that is "beyond anger." Their history is elaborated later in the book and in ''Order of the Phoenix''.
192* Hermione is taking Muggle Studies. This class is taught by Charity Burbage, who is murdered by Voldemort in ''Deathly Hallows''.
193* Sir Cadogan makes an appearance leading the trio to North Tower a while before he temporarily replaces the Fat Lady. Cadogan in particular becomes one of the portrait residents to rally the Hogwarts defenders during the Battle of Hogwarts.
194* Almost everything in the first Divination Class:
195** Professor Trelawney says that books can only take you so far in Divination, worrying Hermione. This ultimately proves true in that Seers are born, not made, with Professor Trelawny being one such born Seer that Dumbledore is going to great lengths to protect.
196** Trelawney tells Parvati Patil to beware a red-haired man. Her sister Padma ends up having a bad time at the Yule Ball with Ron in ''Goblet of Fire''.
197** Trelawney predicts that "around Easter, one of our number will leave us forever." This ends up referring, not to Harry dying, but to Hermione, who drops the class.
198** Harry's prophecy involving Ron suggests great suffering, followed by great happiness. Ron is traumatized by Voldemort's Locket Horcrux but ultimately earns his happy ending with Hermione.
199** Ron's prophecy involving Harry has him suggest Harry will work for the Ministry of Magic and make unexpected gold. Harry earns the unexpected gold at the end of the next year, the 1000 Galleon prize for winning the Triwizard Tournament, and becomes an Auror (the Head Auror, no less) by the end of the series.
200** Trelawny's predictions involving Harry foretell everything involving the next year. He is attacked by Voldemort and his followers, and there is much danger in his path. The only prediction she gets wrong is that he has the Grim, but is really referring to Sirius' dog Animagus form.
201* Professor [=McGonagall=] teaches the third years a lesson on Animagi, three of whom are revealed at the end of the series to be Harry's dad and best friends. [=McGonagall=] herself was already revealed as one in the opening chapter of ''Philosopher's Stone''.
202* Lupin's worst fear is a "silvery-white orb," which turns out to be the full moon.
203* Lupin teaches the third years about Grindylows. Harry ends up getting attacked by a swarm of them in ''Goblet of Fire'', and Fleur Delacour fares worse against them, costing her points in the second Triwizard Task. In ''Deathly Hallows'', when Lupin suspects that someone betrayed the escort team, he asked Harry which creature he saw the first time he entered his office to see if he's the real Harry, and his answer, a Grindylow, is correct.
204* Snape makes Lupin a potion. It turns out to be a Wolfsbane Potion, which gives werewolves control over their actions. Lupin missing a dose of the potion also becomes a problem when he loses control and transforms.
205* Cedric Diggory makes a fairly unimportant first appearance as the Hufflepuff Quidditch Captain and Seeker. He becomes a major character in ''Goblet of Fire''.
206* Snape substitute teaches Defense Against the Dark Arts several times. In ''Half-Blood Prince'', he gets the job full-time.
207* Snape teaches the third years about werewolves, and we later learn that he was intentionally doing this in an attempt to out Lupin (Hermione catches on immediately but doesn't out Lupin).
208* Dumbledore's wand is mentioned, but its importance isn't revealed until ''Deathly Hallows'' (where it's revealed to be the Elder Wand, one of the three titular Hallows).
209* Lupin says that the Whomping Willow was planted the same year he came to Hogwarts. We later learn that he was the reason it was planted in the first place.
210* Lupin tells Harry that Dementors affect him strongly because there are "horrors in his past that the others don't have." In ''Deathly Hallows'', we learn that this isn't Harry's memory, it's the memory of Voldemort's Horcrux.
211* Messrs. Moony, Wormtail, Padfoot, and Prongs all turn out to be established characters. They are Lupin, Scabbers (A.K.A. Peter Pettigrew), Sirius Black, and Harry's father, respectively.
212* Fudge mentions that Dumbledore was tipped off about Voldemort going after the Potters by a spy. In ''Deathly Hallows'', this spy is revealed to have been Snape (who proceeded to become a double agent when he realized Lily was in danger).
213* Fudge refers to "Hit Wizards" working for the Department of Magical Law Enforcement. They are identified as Aurors in ''Goblet of Fire''.
214* Fudge mentions having given his newspaper to Sirius Black during his visit to Azkaban. This was actually critical to the plot, as this was where Sirius first saw the photo of Scabbers and became motivated to break out.
215* Fudge mentions that Sirius seemed largely cognizant of his surroundings, unlike other Azkaban inmates. this is because Sirius had an unhappy thought he could focus on to keep him sane: that he was innocent.
216* All that was left of Peter Pettigrew after Black killed him was his finger. We later learn that this is because he cut it off himself and turned into a rat.
217* Trelawney claims that when 13 dine, the first to rise will be the first to die. When she enters the Dining Hall, there are 12 seated at the table. However, Pettigrew is in Ron's pocket at the time, making it 13. Dumbledore rises to greet Trelawney, and he dies in ''Half-Blood Prince'', the first of the members at the table.
218* Hermione asserts that Harry's Firebolt was sent by Sirius Black as a trick. It turns out [[RightForTheWrongReasons she's right but for the wrong reasons. It was a genuine gift.]]
219* When Harry and Ron discuss Lupin's health, Hermione says it's obvious what's wrong with him. It is later revealed that she's known Lupin is a werewolf ever since Snape's lesson.
220* Lupin explains the Dementor's Kiss to Harry. We see this nearly happen to Harry and Sirius at the end of the book (a second Harry, having gone back three hours via Hermione's Time-Turner, fires the massive Patronus Charm that saves them), and this ends up happening off-page to Barty Crouch Jr. in ''Goblet of Fire''.
221* Neville mentions having dropped a list of Sir Cadogan's passwords. This is very important later when Sirius Black uses it to get into Gryffindor Tower.
222* Cho Chang has a minor appearance as the Ravenclaw Seeker before taking on a larger role starting in ''Goblet of Fire''.
223* Ron says that a very rough crowd of ghosts lives in the Shrieking Shack. We later learn that these are just rumors spread due to the monthly presence of a werewolf (Lupin) there for seven years in the '70s.
224* Snape uses Floo Powder to contact Lupin. This method of communication becomes important from ''Goblet of Fire'' on.
225* After coming to terms with Scabbers' presumed death, Ron remarks that his parents might get him an owl. He ends up getting one, Pigwidgeon, from Sirius Black at the end of the book.
226* Montague is one of the Slytherin Chasers. He has a somewhat larger role in ''Order of the Phoenix'' involving being shoved into a Vanishing Cabinet by Fred and George, which ends up being critical to the plot of ''Half-Blood Prince''.
227* Walden Macnair, the Ministry executioner, is revealed to be a Death Eater in ''Goblet of Fire'', and he is responsible for getting the giants to ally with Voldemort in ''Order of the Phoenix''. He takes part in the final battle in ''Deathly Hallows'', and it's Hagrid that defeats him.
228* Trelawney makes a prophecy that "the servant will break free," which happens when Pettigrew's identity is revealed and he flees, and that "the Dark Lord will rise again," which happens in ''Goblet of Fire''.
229* Lupin refers to the fact that Animagi can be unregistered. Another of these, Rita Skeeter, appears in ''Goblet of Fire''.
230* Lupin believes that Snape was jealous of James for his Quidditch skills. In ''Deathly Hallows'', we learn that he was indeed jealous, but of James's relationship with Lily Evans.
231* Lupin calls out Snape for his willingness to send Sirius to Azkaban over a "schoolboy grudge." In ''Deathly Hallows'', it becomes apparent that he believes Sirius was responsible for the death of the woman he loved.
232* Harry asks Sirius if he has a house. His family home, 12 Grimmauld Place, makes its debut in ''Order of the Phoenix'', which becomes owned by Harry via Sirius's will in ''Half-Blood Prince''.
233* Harry tries to encourage Hermione to cast a Patronus. This is unsuccessful, but in ''Order of the Phoenix'', he not only teaches Hermione the spell, but many other students as well (three of whom come to Harry's aid against a Dementor horde in the Battle of Hogwarts).
234* Hermione says that the Time-Turner came from the Ministry of Magic. We see its specific point of origin, the Department of Mysteries, in ''Order of the Phoenix''.
235* Fudge says that the Dementors were out of control when they attempted to Kiss Harry. This hints at how little control the Ministry has over them, and they end up siding with Voldemort in ''Half-Blood Prince''.
236* Dumbledore tells Harry that Professor Trelawney's prediction was the second true prophecy she's ever made. The first one, revealed in ''Order of the Phoenix'', turns out to be crucial to the entire series.
237* Dumbledore says that Harry spared Pettigrew's life, he owes him a life debt. This comes up again in ''Deathly Hallows'' and causes Pettigrew to die for listening to Harry remind him of this.
238* Ron says that the Quidditch World Cup is taking place over the summer and that his father will probably get tickets. The World Cup is an important event in ''Goblet of Fire''.
239[[/folder]]
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241[[folder:Harry Potter and the Goblet of Fire]]
242* The death of Tom Riddle Sr. is important later in the book as his bones are used to resurrect his son.
243* Nagini appears as Voldemort's pet snake. However, she has a more important role in ''Order of the Phoenix'', and in ''Half-Blood Prince'', we learn that she is one of his Horcruxes. The [[Film/FantasticBeasts prequel series]] later reveals she was originally human under a Maledictus Curse.
244* It is revealed that Peter Pettigrew abducted Bertha Jorkins and that Voldemort murdered her. Her disappearance is important throughout the book, and the information he extracted from her led to his return to power at the end.
245* When explaining to Wormtail that he had been given an important task, he tells that it's a task many of his followers "would give a right hand to perform". As it turns out, the task ''does'' involve Wormtail sacrificing a hand (he opts to sacrifice the hand that was already missing a finger).
246* Voldemort refers to his "''faithful'' servant" rejoining him. Despite the implications that it is Igor Karkaroff, we later learn he means Barty Crouch Jr.
247* Voldemort casually mentions that Bertha had already been under the influence of a memory charm. The person who previously modified her memory is later identified as Barty Crouch Sr.
248* Voldemort tells Frank Bryce not to lie to him because "he always knows." His mastery of Legilimency is explained in ''Order of the Phoenix''.
249* Voldemort kills Frank Bryce with "a flash of green light," the same as Harry's parents. Later in the book, this is identified as the Killing Curse.
250* The significance of Harry's scar hurting despite no clear proximity to Voldemort is not fully explained until ''Deathly Hallows''.
251* Harry has a brief fear of Voldemort coming for him at Privet Drive, and then comments about how the sleeping Dursleys are no help to him awake. In ''Order of the Phoenix'', we learn that Petunia's presence protects Harry from Voldemort due to sharing her sister's blood.
252* Ron says Fred and George want to open a joke shop. In ''Half-Blood Prince'', they do just that (set at number ninety-three, Diagon Alley) with Harry's Triwizard winnings being given to them for funding.
253* Percy's boss, Mr. Crouch, is mentioned early on. He ends up becoming a very important character in the book.
254* Percy says that the Department of International Magical Cooperation is busy planning a "top-secret" event right after the World Cup. This is later revealed to be the Triwizard Tournament.
255* Viktor Krum, one of the Quidditch players who will be participating in the World Cup, is mentioned as being really young for a world-class Quidditch player. He ends up becoming an important character as one of the visiting students chosen as a Triwizard Champion (specifically Durmstrang's).
256* Molly uses Accio, the Summoning Charm, to confiscate Fred and George's toffees. The spell becomes very important later in the book (one is the above-mentioned "play to your strengths" conversation from the ''Chamber of Secrets'' section) and the rest of the series.
257* Portkeys are innocently used to transport groups of people to the World Cup. A Portkey ends up being crucial to Voldemort's resurrection later on, and makes minor appearances from then on in the series.
258* Cedric Diggory makes a minor appearance using the same Portkey as the Weasleys, but becomes a major character later in the book.
259* Harry mentions the Dursleys' neighbor Mrs. Figg. Dumbledore later mentions her at the end of the book as one of the "old company," and in ''Order of the Phoenix'', she is revealed to be a Squib looking out for Harry's safety.
260* It finally dawns on Harry that there are other schools of magic besides Hogwarts. Two of them, Beauxbatons and Durmstrang, are very important later in the book.
261* Arthur points out Bode and Croaker at the campground and mentions that they work for the Department of Mysteries. The Department is majorly important in ''Order of the Phoenix'', and Broderick Bode has an expanded role there as well.
262* Barty Crouch Sr.'s very insistent behavior refuting the most remote implication that a member of his family may have broken a Wizard law strikes Harry as somewhat odd. We later learn that this is because his own son most certainly did break Wizarding Law by being a Death Eater, and the scandal destroyed his career, as well as his own law-breaking to keep his son safe but hidden after smuggling him out of Azkaban.
263* Winky the house-elf sits next to an empty seat on the pretense of saving it for her master. It is later revealed that Barty Crouch Jr. was under an invisibility cloak the whole time.
264* Hermione informs Harry about Beauxbatons Academy of Magic, which is important later on.
265* Harry loses his wand and assumes he dropped it. It is later revealed that Barty Crouch Jr. stole it when they were in the top box.
266* Winky is moving "as though someone invisible were trying to hold her back," which we later learn is exactly the case.
267* Hermione first becomes annoyed at the mistreatment of House-Elves, which later leads her to found the Society for the Protection of Elvish Welfare.
268* The group passes several goblins cackling over a sack of gold. It is later revealed that they just robbed Ludo Bagman, who owes them a lot of gold.
269* Amos Diggory uses ''Prior Incantato'' to investigate Winky's presumed use of Harry's wand. This effect is critically important during the duel between Harry and Voldemort (dubbed ''Priori Incantatem'' there).
270* Crouch dismisses Winky from his service for seemingly petty reasons. We learn later that he had a much better excuse, namely that his insane, presumed dead, Death Eater son escaped while under Winky's care and is on the loose.
271* Rita Skeeter is first mentioned writing articles in the aftermath of the World Cup riots and goes on to become an important character.
272* Mundungus Fletcher is mentioned again in this book by Percy, who says that he attended the World cup and tried to get compensation money for a damaged tent he didn't own. Later, when Dumbledore tells Sirius to recall the "The old crowd", he mentions Mundungus as being part of that crowd. That crowd being the old incarnation of the Order of the Pheonix.
273* Molly buys dress robes for Harry and Ron, as they were specified on the school list. The reason turns out to be the Yule Ball.
274* Ron bemoans his mother buying him secondhand dress robes trimmed with lace while she buys Harry brand new dress robes instead. This is another instance of his insecurity at being the last-born son as well as the "sidekick" of Harry Potter, and plays into his later estrangement after Harry's name comes out of the goblet. At the end of the book, one of Harry's conditions for Fred and George taking his 1000 galleons for winning the tri-wizard tournament is for them to use some of it to take Ron to buy him brand new dress robes (the other condition is using the rest to open their Joke Shop, which itself has a plethora of payoffs). However, these feelings of insecurity come back in a major way in ''Deathly Hallows'' when they're the weak point through which the Locket Horcrux psychologically assaults Ron.
275* The Ministry responds to Mad-Eye Moody's house because he claims there was an intruder. It later turns out there ''were'' intruders, Peter Pettigrew and Barty Crouch Jr., and the latter began impersonating the real Moody after they captured him. Diggory also mentions that Moody was supposed to start his new job that same day, soon revealed to be a Defense Against the Dark Arts Professor at Hogwarts.
276* Draco Malfoy mentions Durmstrang, which becomes important later in the book, and that his father knows the headmaster. This is because Lucius Malfoy and Igor Karkaroff were both Death Eaters.
277* Hermione says that Durmstrang has a "horrible reputation" due to its association with the Dark Arts. In ''Deathly Hallows'', we learn that it also produced Gellert Grindelwald, the second worst Dark Wizard of the 20th century, but we also learn that there are many students who resent this reputation, as many of their families were harmed by Grindelwald's followers.
278* During the Sorting, Harry asks Ron and Hermione if brothers and sisters end up in the same Hogwarts house; Hermione replies no and cites the Patil twins, Padma (Ravenclaw) and Parvati (Gryffindor). Another sibling pair in different houses is revealed later: Sirius Black in Gryffindor and his brother Regulus Black in Slytherin (Due to his HeelFaceTurn when replacing Voldemort's Horcrux, maybe he should have been in Gryffindor after all). Sirius was a Gryffindor largely because he was notoriously against the pure-blood supremacy views of the rest of his family.
279* Mad-Eye Moody is stated to be drinking from a private flask. The fact that it contains Polyjuice Potion is revealed at the end of the book.
280* Moody mentions that he's going against what the Ministry deems appropriate for the fourth-year Defense Against the Dark Arts class. In ''Order of the Phoenix'', the Ministry exercises significantly more control over the curriculum when Professor Umbridge is hired, with this being cited as an example.
281* Moody teaches the class about the Unforgivable Curses, which are important from here on out.
282* Moody notes that Neville is the one who volunteered information about the Cruciatus Curse. We later learn that Moody is actually Barty Crouch Jr., one of the Death Eaters who tortured Neville's parents into insanity with this curse.
283* Neville is extremely upset by the demonstration of the Cruciatus Curse because his parents suffered greatly from it and are permanently mentally disabled as a result.
284* In Chapter 12, Neville gets stuck in a staircase thanks to a trick stair. On his way back from hearing his egg 13 chapters later and taking a detour to investigate a disturbance in Snape's office, Harry winds up falling through the same stair while distracted by the presence of Barty Crouch on the Marauder's Map. This causes an incident involving Snape, Filch, and Moody, ultimately leading to Moody taking Harry's Marauder's Map under the excuse that he's looking for Crouch, but in reality, it's because ''he'''s Crouch ''Jr.'', and the map would have given him away.
285* Moody lends Neville ''Magical Water Plants of the Mediterranean''. This was Barty Crouch Jr.'s attempt to [[InvokedTrope invoke this trope, assuming that Harry would ask him for help with the Second Task and that Neville would tell him about Gillyweed, but it is unsuccessful in the book (though it works in the film).]]
286* Fred and George are writing something mysterious. This is later revealed to be a letter to Bagman about the fact that their gambling winnings were paid in leprechaun gold.
287* Harry proves decent at resisting the Imperius Curse. This comes in handy when Voldemort places him under it during their confrontation.
288* One of the Beauxbatons students gives a derisive laugh at Dumbledore's speech. She turns out to be Fleur Delacour, an important character.
289* Karkaroff's reaction upon seeing Moody is because he was the Auror that arrested him after the fall of Voldemort.
290* Crouch's behavior and appearance are mentioned as being slightly off. This is because he's resisting the influence of his son's Imperius Curse.
291* Moody describes in detail what someone would have needed to do in order to enter Harry in the Triwizard Tournament. He knows so much because this is exactly what he did.
292* Harry fantasizes about using the Cruciatus Curse on Snape. In ''Order of the Phoenix'', he attempts it on Bellatrix Lestrange and, in ''Deathly Hallows'', uses it successfully on Amycus Carrow (even calling back to the advice Bellatrix gave him after his failed attempt on her).
293* Ollivander becomes important in ''Deathly Hallows''. He also mentions Gregorovitch, who is likewise important in that book.
294* Harry remembers that his wand and Voldemort's wand share twin cores, which becomes extremely important at the end of the book.
295* Harry notices the trunk in Moody's office. This contains the real Mad-Eye Moody.
296* Winky claims that Bagman is a bad man. We later learn the reason she thinks this is because he was prosecuted for unknowingly passing information to the Death Eater spy Augustus Rookwood.
297* Harry fails a Potions test because he forgets to add a bezoar. This particular item becomes very important in ''Half-Blood Prince'', when Ron is poisoned.
298* Sirius gives Harry a magical penknife for Christmas. In ''Order of the Phoenix'', he uses this to break into Umbridge's office and ends up destroying it trying to break into the Love Chamber in the Department of Mysteries.
299* Dumbledore makes mention of once having had a full bladder and discovering a room full of chamberpots that later vanished. He theorizes that perhaps the room only appears when someone has need of it. In ''Order of the Phoenix'', the Room of Requirement becomes very important.
300* Hermione angrily tells Ron at the end of the Yule Ball that if he wanted her to go with him, he should've acted before Krum (or someone else) did and asked her when he had the chance. In "The Deathly Hallows", he rectifies this by asking her to dance with him during Bill's and Fleur's wedding before Krum can; she's surprised, but she quite happily accepts.
301* A seemingly irrelevant beetle is sometimes mentioned, starting at the Yule Ball. This turns out to be Rita Skeeter, who is an unregistered Animagus.
302* It is mentioned that the giants were driven into hiding on the European mainland, Hagrid's mother Fridwulfa among them. This becomes more important in ''Order of the Phoenix'', when the Order and the Death Eaters vie for an alliance with them, and Hagrid meets his half-brother Grawp.
303* Harry is shocked that Krum is swimming in the lake in January. We later learn that he's doing this because he's training for the second task.
304* Dumbledore says that his brother Aberforth had been convicted for practicing inappropriate charms on a goat. Aberforth first appears in ''Order of the Phoenix'', and is first identified as such in ''Deathly Hallows'', where he has an important role. (And guess what his Patronus is...) He also claims to be unsure if Aberforth can read, which sounds much crueler when it is revealed that Albus's genius played a large role in their estrangement.
305* When Moody taunts Snape about spots that never come off, Snape grabs his forearm convulsively. Dark Mark tattoos are revealed at the end of the book (Snape going as far as to reveal his own).
306* Moody suggests that Harry try a career as an Auror. By the series's end, he takes N.E.W.T. classes to become an Auror and eventually ends up becoming one.
307* Harry rescues Fleur's little sister, Gabrielle, from the Black Lake. This earns both him and Ron her goodwill, and eventually leads to her marrying Ron's older brother Bill by the time of ''Deathly Hallows'', not to mention Fleur's gratitude also means her and Bill's door is always open to Harry and Ron, which comes in handy when they're hiding from the Death Eaters.
308* Snape threatens Harry with Veritaserum. This potion is used later on to interrogate Barty Crouch Jr, and Umbridge attempts to use it in the next book, only to be foiled by Harry's refusal to drink and Snape providing a fake potion.
309* Hermione complains about Crouch's unfair treatment of Winky and Sirius says "If you want to know what a man's like, take a good look at how he treats his inferiors, not his equals." In ''Order of the Phoenix'', he treats his own House-Elf Kreacher like vermin, which ends up leading to his own death.
310* Sirius tells the trio about the late Barty Crouch Jr., and Harry gets a look at the boy himself in the Pensieve. It turns out that not only is he still alive, he's been posing as Mad-Eye Moody for the entire book.
311* Sirius mentions the Lestranges - Rodolphus and Bellatrix - who appear along with Rabastan later in the book via a memory and are convicted of torturing Frank and Alice Longbottom into insanity. Bellatrix becomes a major character starting in ''Order of the Phoenix'' and a personal enemy of Neville Longbottom.
312* Sirius also mentions the Death Eater Avery, who, in ''Order of the Phoenix'', provides Voldemort with faulty information that results in a number of failed attempts to steal the prophecy, effectively stalling his plans for most of the book.
313* Hagrid gives his class a lesson on Nifflers, involving a little game where he hid leprechaun gold underground. The tilled earth allows Barty Crouch Jr. to hide his father's transfigured body without anyone being any the wiser. Nifflers are also used to harass Umbridge in the next book, though Hagrid is endangered by their use as the Care of Magical Creatures teacher (Lee Jordan admits to being the responsible party for this case).
314* Dumbledore contacts Hagrid using his Patronus. This method of communication starts becoming more important in ''Order of the Phoenix''.
315* Harry sees the Sword of Gryffindor in Dumbledore's office, having left it there at the end of ''Chamber of Secrets''. He learns why it's still there in ''Half-Blood Prince'' and it becomes critically important in ''Deathly Hallows''.
316* Dumbledore's Pensieve makes its first appearance and is plot-relevant from this point on.
317* Harry visits Courtroom Ten via Dumbledore's memories. He goes there in person in ''Order of the Phoenix'' for his own trial.
318* Karkaroff names Antonin Dolohov, Mulciber, Travers, and Augustus Rookwood, all of whom escape from Azkaban in ''Order of the Phoenix''. In ''Order of the Phoenix'', Rookwood is instrumental in telling Voldemort how to retrieve the prophecy, due to him being a member of the Department of Mysteries, which results in the death of Sirius Black, and in ''Deathly Hallows'', he kills Fred Weasley, and later gets defeated by Aberforth. In that same book, Dolohov kills Remus Lupin and is later defeated by Filius Flitwick. Another Death Eater named Evan Rosier took a piece of Moody's face with him in a fight to the death.
319* Dumbledore mentions that Snape became a spy, which is important for the rest of the series.
320* Dumbledore also claims that Snape "is now no more a Death Eater than I am." In ''Deathly Hallows'', we learn that Dumbledore once held magical supremacist beliefs and was friends in his youth with Gellert Grindelwald, whose philosophy he helped shape. In addition, he holds ironclad proof of Snape's true loyalty, despite many red herrings from this point on.
321* It is revealed that Frank and Alice Longbottom were tortured by Death Eaters. They appear in ''Order of the Phoenix'', as do their torturers. One of said torturers (Bellatrix) becomes critically important to the remainder of this book.
322* Bellatrix Lestrange demonstrates her fanatical loyalty to Voldemort and her belief that she and her companions will be rewarded. In ''Order of the Phoenix'', she is proven right when all the imprisoned Death Eaters are broken out of Azkaban.
323* A Rita Skeeter article describing Harry as insane briefly shows up near the end of the book. It has little immediate effect here, but come ''Order of the Phoenix'', it is revealed that this article helped Fudge convince the public that Harry and Dumbledore proclaiming Voldemort's return were falsehoods.
324* Dumbledore refuses to tell Harry his reasons for trusting Snape. They are revealed in ''Deathly Hallows''.
325* Fleur is described as being attracted to Bill Weasley when they are briefly in the same room, as she stares at him while he and Molly talk to Harry. They begin dating in ''Half-Blood Prince'' and get married in ''Deathly Hallows''.
326* The murder of Cedric Diggory becomes a major for Harry's character, as the trauma impacts him for the rest of the series. Most immediately, the fact that it happened in front of Harry allows him to see Thestrals in ''Order of the Phoenix''.
327* Voldemort says that he took steps "to guard myself against mortal death." We learn what these were in ''Half-Blood Prince''. He also says he's gone further along the path to immortality than anyone else, which turns out to mean making multiple Horcruxes.
328* The Death Eater Avery begs Voldemort for forgiveness. Avery winds up being very important to the plot of ''Order of the Phoenix'', as his faulty information regarding the Hall of Prophecy results in the temporary imprisonment of veteran Order member, Sturgis Podmore, the wounding of Arthur Weasley, the death of Broderick Bode, and the stalling of Voldemort's plans for most of the book.
329* Voldemort makes Wormtail a silver hand and tells him "may your loyalty never waver again." In ''Deathly Hallows'', when he briefly wavers in his loyalty, the hand kills him.
330* Voldemort tells Avery that he doesn't forgive, nor does he forget. In Chapter 2 of ''Half-Blood Prince'' Snape tells this to Narcissa, as the reason for wanting to indirectly, yet purposefully, kill Draco to punish Lucius for failing his mission in ''Order of the Phoenix''. Igor Karkaroff is later killed by Voldemort in the early part of ''Half-Blood Prince'' for his abandoning of the Death Eaters and refusal to answer the call. It also leads Wormtail's demise because of his hesitation when he is attempting to choke Harry to death in the basement of Malfoy Manor in ''Deathly Hallows'', where his gifted arm strangles Wormtail the moment it senses weakness.
331* Voldemort declares that Azkaban will be "broken open," "the dementors will join us," and "we will recall the banished giants." In ''Order of the Phoenix'', all of these things come to pass.
332* Voldemort notes the absence of six Death Eaters. "Three dead in my service," two of whom have already been revealed as Evan Rosier (who chose to fight Moody instead of come quietly and died as a result) and Wilkes, while the third, Regulus Black, is revealed in ''Order of the Phoenix''. He also says that one "too cowardly to return" will pay (Igor Karkaroff, who is killed in ''Half-Blood Prince''), one he believes "has left me forever" (Severus Snape, who returns to his side later in the book) and his most faithful servant "who has already reentered my service" (Barty Crouch Jr., who is soon revealed to have been posing as Mad-Eye Moody all along).
333* Dumbledore's brief look of triumph when he is told that Voldemort used Harry's blood to resurrect himself. As revealed in ''Deathly Hallows'', Dumbledore just realized that Voldemort had just made it impossible for Harry to die by forever living on the blood of Harry which maintains this protection.
334* Dumbledore tells Harry that "no spell can reawaken the dead" and that the people he saw coming out of Voldemort's wands were merely echoes. In ''Deathly Hallows'', we learn that the Resurrection Stone is capable of actually recalling people from the afterlife, but they were not truly alive. Dumbledore even forgets this momentarily, and it leads to his eventual death.
335* Dumbledore tells Fudge that he will go down in history as one of the worst Ministers for Magic if he sticks his head in the sand and denies Voldemort's return. This is exactly what ends up happening at the end of "The Order of the Phoenix" and before the start of "The Half-Blood Prince".
336* Fudge declares that the Ministry will be looking into the running of Hogwarts from now on. In ''Order of the Phoenix'', this comes in the form of Dolores Umbridge.
337* Dumbledore orders Sirius to make contact with "the old crowd," revealed in ''Order of the Phoenix'' to be, well, the Order of the Phoenix. He also mentions Arabella Figg, who turns out to be the same Mrs. Figg as the one who lives in Little Whinging. At the start of "Order of the Phoenix" " she and Mundungus Fletcher are assigned to look after Harry.
338* Hermione makes a loud slamming noise and grips something in her hand while everyone is in the hospital wing. She had just captured Rita Skeeter in beetle form.
339* Hagrid and Madame Maxime are preparing to carry out a mission on behalf of Dumbledore over the summer. In ''Order of the Phoenix'', we learn that they are traveling to mainland Europe to make contact with the giants.
340* Fleur mentions that she wants to get a job to improve her English. In ''Order of the Phoenix'', it is revealed that she gets hired at Gringotts (who employs Bill Weasley as a Curse-Breaker).
341* Harry gives his Triwizard winnings to Fred and George for the joke shop. They end up opening Weasleys' Wizard Wheezes in ''Half-Blood Prince''.
342* Hermione reveals to Harry and Ron that she's blackmailing Rita into not writing damning articles for ''The Daily Prophet'' for an entire year. In "The Order of the Phoenix", when Hermione meets with her and Luna to publish an article about Harry in the Quibbler, she's revealed to be unemployed as a writer, as a result of Hermione holding her to her promise, and looks rather unkempt as a result, but she seizes her chance to return to the spotlight when she writes Dumbledore's biography between ''Half-Blood Prince'' and ''Deathly Hallows''.
343[[/folder]]
344
345[[folder:Harry Potter and the Order of the Phoenix]]
346* Harry sees Mrs. Figg walking down the street. She is soon revealed to be a Squib and a member of the Order of the Phoenix.
347* Harry hears a noise like a gunshot and assumes that it was Dobby apparating. It turns out that it was Mundungus Fletcher.
348* It is mentioned that Harry has been having dreams about locked doors and winding passages, which are located in the Department of Mysteries.
349* Harry mentions in passing that Dudley and his gang beat up a Muggle boy named Mark Evans. Because he shares a last name with Lily Potter (née Evans) and Petunia Dursley (née), many fans assumed that he would have some importance in the future. However, this is an aversion of ChekhovsGunman, as, in the words of J.K. Rowling, "Mark Evans is... nobody. ... The car with false licence plates is at the door and I've got to glue on my goatee. Goodbye."
350* Harry receives notice of his expulsion, and later notice of his hearing, from Mafalda Hopkirk. She appears in ''Deathly Hallows'' when Hermione impersonates her to infiltrate the Ministry of Magic.
351* Petunia says that she heard about dementors from "that awful boy." Harry assumes she means his father James, but ''Deathly Hallows'' reveals the boy was actually Severus Snape.
352* Petunia receives a mysterious Howler commanding her to "remember my last." The sender is later revealed to be Albus Dumbledore. His last is revealed to be the letter left with Harry on the night he was left with them, informing Petunia of his sister's death and what she can do to protect Harry.
353** Additionally, the reference to the "last" letter implies it wasn't the only one, and we later find out in ''Deathly Hallows'' that Dumbledore had written Petunia a previous letter when she was a child.
354* Several members of the Order of the Phoenix first appear in the Advance Guard and then are not mentioned again until they are important to the plot.
355** Elphias Doge is important in revealing some of Dumbledore's backstory in ''Deathly Hallows'', due to him being Dumbledore's best friend.
356** Emmeline Vance is murdered by Voldemort in ''Half-Blood Prince'' during her mission to protect the Muggle Prime Minister.
357** Sturgis Podmore is Imperiused by Lucius Malfoy as part of Voldemort's plot to steal the prophecy later in the book, which leads to him being imprisoned and then released.
358** Hestia Jones helps Dedalus Diggle (making a reappearance from ''Philosopher's Stone'') protect the Dursleys in ''Deathly Hallows''.
359* Tonks warns Moody that an Auror named Scrimgeour has been asking some rather nosy questions of Tonks and Kingsley. Scrimgeour would be revealed as Rufus Scrimgeour, Head of the Department of Magical Law Enforcement and Fudge's successor as Minister of Magic in the next book, and this trend of nosing into other people's business would continue with him constantly attempting to pry into Harry's and Dumbledore's relationship and their secret meetings.
360* While the group is cleaning out Number 12 Grimmauld Place, an offhand reference is made to a locket that no one could open (as part of a list of odd things found in the house). In book seven, it is revealed that the locket is a Horcrux, and the reason it's there is because Regulus Black retrieved it and gave it to Kreacher to destroy.
361* A portrait at St Mungo's insists Ron must have spattergroit; Ron retorts he's just freckled. In ''[[Literature/HarryPotterAndTheDeathlyHallows Deathly Hallows]]'', Ron fakes being near death with spattergroit to follow Harry on the quest for Horcruxes and buy time to avoid Death Eaters coming after his family for helping Harry.
362* The Thestrals, and Harry's ability to see them, pay off later in the book when the Golden Trio, plus Neville, Luna, and Ginny, need a way to fly to London. In addition, Harry learns that Dumbledore sometimes flies with them when he doesn't feel like Apparating, but we don't learn who Dumbledore witnessed dying until ''Deathly Hallows''.
363* Hermione makes a list containing the names of all the people agreeing to be in the DA. It's mentioned that signing it feels unusually binding. Hermione cursed the list so that anyone who revealed the DA to the Ministry would break out in a rash. Not just any rash, either. It (permanently, per WordOfGod) writes 'Sneak' across their face.
364* In ''Chamber of Secrets'', a passing mention was made of Peeves breaking a cabinet, preventing Harry from getting into trouble. It's mentioned here again when the Weasley twins push one of Umbridge's hench-students in, and he gets trapped there for months because it's magical. In the next book, it's revealed to be linked with another cabinet outside the school (namely the same one Harry hid in after a botched Floo Powder transport dumped him out at Borgin and Burkes on Knockturn Alley), and Draco fixes it to let the Death Eaters in.
365* "Snape's Worst Memory". It involves Snape being publicly humiliated by Sirius, James, and Peter, and provides an interesting AlternativeCharacterInterpretation to James Potter (JerkJock, specifically). It's pretty bad on the surface... but in Book 7, we learn why it was his ''worst'' memory: it was the day he lost Lily forever (due to his own behavior, not really anything James did).
366** To a lesser extent, in that memory, Snape uses a curse on James that opens a gash on his face. There's a very good chance that this was an early form of [[WoundThatWillNotHeal Sectumsempra.]]
367* ChekhovsGag: At one point, Ron tries to enter the girls' dormitory and it turns into a slide. In ''Deathly Hallows,'' right after Voldemort sends Lucius Malfoy to retrieve Snape, Hermione says, "Glisseo!" and turns a staircase into a slide, allowing the Trio to dodge two Death Eaters' attacks, and turning the exit to stone to knock them out.
368* ChekhovsGift: Near the middle of the book, Sirius gives Harry a magic mirror which is part of a pair that can enable the two holders to communicate magically. Sirius has the other one. Made horrifying when you realize that the driving point of the climax of the book is that Harry is trying to communicate with Sirius, but can't find a means to; only after Sirius has been murdered does he find the mirror in his school trunk. It's thrown away and broken, but a fragment of it becomes important in ''Deathly Hallows''.
369* ChekhovsGunman:
370** The barman of the Hog's Head Tavern, identified two books later as Albus Dumbledore's younger brother Aberforth, who had been mentioned in passing by Dumbledore earlier. It was even noted that he "looked vaguely familiar"; this was because Harry had ''already seen him before'', in the photograph of the original Order Of The Phoenix that Moody showed Harry during dinner at Number Twelve, Grimmauld Place.
371** Regulus Black, Sirius's brother, is mentioned in passing and becomes important to the plot in Book 7.
372** Kreacher, a seemingly minor character who, in true JK Rowling style, ends up being important to both this book's plot and that of Deathly Hallows. When screenwriter Michael Goldenberg suggested writing him out of the movie adaptation, Rowling admitted, "If you do that, adapting Seven's going to be ''really'' difficult..."
373** [[FortuneTeller Professor Trelawney]]. In [[Literature/HarryPotterAndThePrisonerofAzkaban Book 3]] Dumbledore casually mentions that he should give her a raise since the prediction she made about Wormtail turned out to be true and that it was the second most accurate prediction she had ever made. In the end, it's revealed what the first one was.
374** This is also the book where we start to see Neville's emerging combat skill, along with his determination, both of which become of great importance in ''Deathly Hallows''.
375* Luna Lovegood makes her first appearance, being introduced as a {{Cloudcuckoolander}} who believes everything her father's magazine ''The Quibbler'' publishes, which can include anything from benign nonsense to conspiracy theories. Luna herself isn't much of an example, as she becomes a major character almost immediately. However, Luna's father's magazine helps Harry spread the word about Voldemort's return later in the book, and later on, Xenophilius Lovegood himself becomes a crucial source of information about the Deathly Hallows, something that most of wizardkind has long since discarded as fantasy nonsense.
376* ChekhovsSkill: Occlumency. Harry never masters it, but Snape's talent in it is vital to his role as a spy.
377** Also, pretty everything Harry taught Dumbledore's Army, particularly the Patronus Charm, which is how Luna, Ernie, and Seamus clear a path for Ron, Harry, and Hermione to reach Snape, Voldemort, and Nagini in the Shreaking Shack in ''Deathly Hallows.''
378[[/folder]]
379
380[[folder:Harry Potter and the Half-Blood Prince]]
381* One paragraph sets up two. When Harry hides his potions book in the Room of Requirement, he marks the spot with a bust of a warlock wearing a wig and an old, battered tiara. Said tiara becomes immensely important in Book 7 when it's revealed to be the Lost Diadem of Ravenclaw, one of Voldemort's Horcruxes. Before he does he also notices "the Vanishing Cabinet in which Montague had got lost the previous year." That's how the Death Eaters get into Hogwarts at the end of ''Half-Blood Prince''.
382** To add to that, the Room of Requirement itself. Draco was using it, specifically the Room of Hidden Things, to try and find a way to kill Dumbledore. The room is revealed in Book 7 to be the location of one of the Horcruxes, and Draco comes close to foiling Harry there because of how much experience he has with that room - as he says, "I virtually lived in the Room of Hidden Things last year." He knows how to get in.
383* The tiny bottle of Felix Felicis that Harry wins in his first Advanced Potions lesson is used by Harry to convince Slughorn to give to Harry his memories of when and how much he told Tom Riddle about Horcruxes. What is left of it is then used by Harry's friends on the night of Dumbledore's Death to save their lives by making spells miss them by inches.
384* Peruvian Instant Darkness Powder. Fred and George show it to Harry when he and the other Weasleys visit their joke shop in Diagon Alley and mention how it could come in handy if one needs to make a quick escape. Come the end of the book, the school is infiltrated by Death Eaters thanks to Malfoy, and it does exactly that.
385* Tonks's Patronus changing its form. The fact that it's supposed to represent Lupin shows that the Patronus often represents someone the caster loves... much like Snape's.
386* During this year's only Hogsmeade trip, the trio encounters Mundugus again, selling things he stole from Grimmauld Place. The Hog's Head barman (Aberforth) was talking to him as they approached and most likely acquired Sirius's mirror at that time, which becomes quite significant in the next book. Not to mention one of the things Mundungus takes from the house is a Horcrux.
387* Romilda Vane's love potions, which are hidden in a box of chocolate cauldron cakes. Ron takes them on his birthday, and he falls in love with her, so naturally, Harry takes Ron to Professor Slughorn for a cure, but Professor Slughorn ends up accidentally giving him poison, which he mentions was meant for Dumbledore.
388* The ring that Marvolo Gaunt wore eventually became one of Voldemort's Horcruxes. Dumbledore's attempt to destroy it burned his hand and put a curse on him. He only has a year to live, which is why he orders Snape to MercyKill him.
389** That's not all: the ring contains the Resurrection Stone. The curious shapes Harry sees etched inside the ring is the Deathly Hallows symbol.
390** Marvolo mentions being descended from the Peverell family, from whom he inherited the ring. Cadmus Peverell, creator of the Resurrection Stone, is an ancestor of the House of Gaunt. Even more, Cadmus's younger brother Ignotus was not only Harry's ancestor, but he's also the creator of Harry's Invisibility Cloak.
391[[/folder]]
392
393[[folder:Harry Potter and the Deathly Hallows]]
394* Harry's Golden Snitch, Dumbledore's Deluminator (aka the Put-Outer), Godric Gryffindor's [[SwordOfPlotAdvancement sword]], the mentions of dragons at Gringotts, the tiara Harry put on a bust to mark a spot in the Room of Requirement, the locket in the House of Black, Wormtail's hand, Voldemort's claim about Wormtail's loyalty, Wormtail's debt to Harry, Harry's invisibility cloak, and the Basilisk's fangs ''all'' pay off at some point during this book.
395** Not to mention the protection charm cast by Lily, which protects Harry from Voldemort. Harry's HeroicSacrifice fuels the same charm, protecting ''all the students and staff of Hogwarts''.
396* Early in the book, Harry briefly sees someone else's eye in a fragment of Sirius's mirror. It turns out later on to be Aberforth Dumbledore, who purchased the mirror when we saw him in ''Half-Blood Prince''.
397* At Bill and Fleur's wedding Xenophilius Lovegood is shown wearing a symbol that Krum identifies as Grindlewald's mark. It turns out to be the symbol of the Deathly Hallows and the same symbol on the Gaunt Ring which is revealed to be one of the Hallows itself.
398* ChekhovsGunman: Kreacher, Dobby, Aberforth Dumbledore, Gellert Grindelwald, and Gregorovitch, all previously mentioned or appearing in the series, now receive major appearances.
399* ChekhovsGag: Movie-only. In the movies, Seamus had a RunningGag where he'd blow things up accidentally (usually in the [[FunnyBackgroundEvent background]]). Come the Battle of Hogwarts and [=McGonagall=] knows exactly who to turn to for the demolition of the Hogwarts bridge.
400* Trelawney's continued obsession with Harry's death finally comes to fruition in this book, though it's the one year where they don't interact until the very end, and [[NotQuiteDead it doesn't take anyway]].
401[[/folder]]
402
403
404[[folder:Fantastic Beasts and Where to Find Them (book)]]
405* Scamander cites Bathilda Bagshot, who is important in ''Deathly Hallows'', where it is revealed that she is the great-aunt of Gellert Grindelwald.
406* Scamander mentions the "extremists" who want Muggles classified as beasts. This essentially became official policy under the Voldemort-controlled Ministry of Magic in ''Deathly Hallows''.
407* One footnote mentions the Department of Mysteries, which is very important in ''Order of the Phoenix''.
408* There is a subentry on the Ukrainian Ironbelly breed of dragon, a member of which appears in ''Deathly Hallows'' chained up in Gringotts.
409* There is an entry on Erumpents. An Erumpent horn appears in ''Deathly Hallows'' where Hermione hits it with a spell to blow up the Lovegoods' house so they can make an escape.
410* There is an entry on ghouls. The Weasley family's ghoul becomes important in ''Deathly Hallows'' when it is disguised as a Spattergroit-infected Ron.
411* There is an entry on Nifflers. Nifflers appear in ''Goblet of Fire'', where they dig up lots of earth to find shiny objects as part of a game of Hagrid's making. This is used to disguise Barty Crouch Jr. hiding his father's transfigured body as a bone in the tilled earth.
412* Thestrals are mentioned under the entry for winged horses, which notes that they are "black, possessed of the power of invisibility, and considered unlucky by many wizards." They make their first visible appearance in ''Order of the Phoenix'', where it is revealed that their invisibility and association with unluckiness are because they can only be seen by a person who has witnessed death.
413[[/folder]]
414
415[[folder:Quidditch Through the Ages]]
416* One of the quotes of praise for ''Quidditch Through the Ages'' is from Bathilda Bagshot, who is important in ''Deathly Hallows''.
417* Kennilworthy Whisp writes that "no spell yet devised enables wizards to fly unaided in human form." In ''Deathly Hallows'', it is revealed that Voldemort figured out how.
418* The inventor of the Golden Snitch lived in Godric's Hollow. The town is an important location in ''Deathly Hallows''.
419[[/folder]]
420

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