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Year 3 in Harry Potter: Hogwarts Mystery covers the 1986–1987 school year.


Chapter 1: Year Three Begins

"The cursed ice melts into the waters of the past as a September sun shines on Hogwarts once again. New privileges, new friends, and new dangers await."
— Year 3, Chapter 1 description[src]

The player returns to Hogwarts School of Witchcraft and Wizardry and meets with Rowan Khanna, Penny Haywood and Ben Copper in the Great Hall, who all express their worries about Professor Albus Dumbledore being angry with the player. The player doesn't think so but changes their mind after hearing his speech. Dumbledore addresses the school and confirms the existence of the Cursed Vaults. He says that the cursed ice was the unique curse placed upon one of the vaults and that each vault contains another curse. The cursed was only unleashed when a student tampered with the vault but fortunately, that student was able to enter the vault and break the curse. He warns the students not to go around tampering with the vaults again and that if they do consequences will be severe, especially for repeat offenders. Rowan asks if they think they should keep looking for the vaults or obey the rules.

At the end of Herbology, Penny discovers a werewolf in the pots, which is actually a Boggart. Before the Flying class, Nymphadora Tonks and Rowan talk about the upcoming visit to Hogsmeade. The player is then told by the Head of House they need to focus and improve their school work if they want permission for Hogsmeade trips.

Chapter 2: Boggarts and Butterbeer

"The werewolf's harsh growl and spittle-flecked muzzle haunt your dreams, and you will not soon forget the look of fear in Penny Haywood's eyes. A Boggart at Hogwarts!"
— Year 3, Chapter 2 description[src]

The player meets Penny and Bill Weasley in the Great Hall where Bill shows off his new prefect badge. The player is concerned about Penny after her run-in with the Boggart. Bill tells the player to ask Rubeus Hagrid about the Boggart found by Penny in Herbology. Hagrid connects the Boggart to the vaults, telling the player they appeared in the school when Jacob went searching for them. The player and Rowan wonder why Penny was afraid of werewolves, but Penny had no idea why and they eventually decide it's simply a dark creature people would be afraid of.

Chapter 3: Three Broomsticks

"Hagrid said your brother Jacob frequented Hogsmeade's Three Broomsticks Inn. You head there now, eager to learn the connection between Boggarts and the Cursed Vaults."
— Year 3, Chapter 3 description[src]

The Head of House is impressed by the player's work and permits them the Hogsmeade trips. The player learns from Hagrid that Jacob went to the Three Broomsticks Inn and knew Rosmerta very well, hence wanting to talk and find out what Jacob may have said. Rowan tells the player to meet them at the pub when it's time.

The player heads to Hogsmeade and is introduced to Andre Egwu. They then find Rowan and Hagrid in the Three Broomsticks. Rosmerta says she will be back in a minute after taking their order of Butterbeer. The player finds out Jacob would write in a notebook until being taken away by Aurors. Rosmerta offers to look for the object Jacob hid if the player agrees to help out at the Inn.

When the player works a shift at the Inn, Rosmerta says she needs more time to find the object and the player decides whether they want to help Rosmerta create a new kind of Butterbeer. If they do, Rosmerta asks them to find Sugar Shrub, Mallowsweet, and Moondew as ingredients.

If the ingredients are collected correctly, Rosmerta will tell Dumbledore she thinks the player should be rewarded ten House points. If the ingredients are wrong, including the player growing the wrong plant in Herbology, they will not receive any House points and many wizards will feel sick from poison when they drink the Butterbeer concoction.

Rosmerta rewards the player with Jacob's quill which they untransfigure and find it to be the notebook. Argus Filch then appears and confiscates the notebook, telling them they are breaking the rules by continuing with their search.

Chapter 4: Filching from Filch

"The Black Quill was Jacob's notebook! But now your brother's secrets are in the hands of Argus Filch, caretaker of Hogwarts. You must retrieve the notebook at any cost."
— Year 3, Chapter 4 description[src]

The player has to get back Jacob's notebook from Filch's office. The player seeks the help of Tonks, who agrees to find a way to sneak into the office. Tonks and the player visit Zonko's Joke Shop in Hogsmeade, where they formally meet the shopkeeper, Bilton Bilmes.

After telling him of their pranking schemes, he presents them with the choice of two different top-selling products: the Nose-Biting Teacup or the Fanged Frisbee. Later back at the castle, Tonks finds the player when Filch has left his office, giving them time to sneak in and look for Jacob's notebook.

Chapter 5: Tulip Karasu

"With Filch pranked and Jacob's notebook in hand, you now must discern what your brother knew about the connection between Boggarts and the Cursed Vaults."
— Year 3, Chapter 5 description[src]

The player meets Rowan in their house common room after retrieving Jacob's notebook from Filch's office, in order to see if they can help decipher it. The player decides between taking Bill, Penny or Ben to find Jacob's secret room which he used for his research. They find a padlock with two keyholes and the player has the option of using Alohomora or Flipendo. As Tulip Karasu's name is on the lock, they proceed to search for her, and locate her in the Transfiguration Classroom. The player has the option to ask nicely or make her help, follows by having to disable the Dungbomb on Dennis the toad to gain Tulip's assistance.

Tulip informs the player that her former accomplice is Merula Snyde and she has the other key. Tulip asks why they should work together and the player has to build up friendship with Tulip to persuade her to work with them. After learning Duro and the Antidote to Common Poisons, the player meets with Tulip in the Courtyard to form a plan to distract Merula's friends.

Chapter 6: The Letter from No One

"The rebellious Ravenclaw, Tulip Karasu, has set you on a quest to retrieve the key to your brother's secret hideaway."
— Year 3, Chapter 6 description[src]

Tulip tasks the player with retrieving the Jumbo Dungbomb from Bilton Bilmes. The player explores the shop while Bilton hunts for it in the back. He offers to give the player the rare Jumbo Dungbomb in exchange for baby Mandrakes and rare sweet Butterbeer 1707 from the Three Broomsticks. Madam Rosmerta fetches the Butterbeer while the player tends to her customers.

The player then meets Rowan in the Common Room because they found a letter from "a friend" on the player's bed, warning they are in danger. Rowan asks who they think sent the letter and the player decides from the choice of Merula, Dumbledore, or not sure. The player then focuses on Tulip and the Jumbo Dungbomb, and collects the baby Mandrakes.

Bilton finds the Jumbo Dungbomb and Tulip creates the Ultimate Dungbomb with it. The player and Tulip find Merula, Barnaby Lee, and Ismelda Murk in the Courtyard. They throw the Dungbomb at them, which makes every except Merula run away. Tulip and the player confront Merula for the other key. Merula says if the player duels her again and wins, they may have the other key.

The player and Merula duel. When the player eventually wins, Merula lets them take the key and says that it's okay because she has found what she wanted from the Jacob's room earlier. Merula then tells the player they should watch out because Tulip will betray them.

Chapter 7: Jacob's Room

"Students' fears lurk in the nooks and crannies of Hogwarts. Now that you have both keys to your brother's sanctuary, you hope to uncover a way to end this Boggart menace."
— Year 3, Chapter 7 description[src]

Tulip tells the player to ignore Merula when she told them she took what she wanted from the room, because Tulip knows she and Merula found nothing worth taking. They then unlock Jacob's room only to be confronted with the player's Boggart which takes the image of Voldemort. They run away and decide they need to learn the Boggart-Banishing Spell before entering the room again.

They search for books in the Library and ask Madam Irma Pince where they could find them. They then search in the back and eventually find the book they needed. Tulip wonders why the Boggart took the image of Voldemort, and the player decides it's because of what happened to the Potter family, to their brother or because he's terrifying.

The player and Tulip have read about the spell and find another Boggart in the Artefact Room, where they practise the spell. Tulip faces the Boggart which takes the image of Merula, and the player banishes it. They then speak in the Great Hall, where Tulip tells the player why the Boggart was Merula.

Later, they face the Boggart in Jacob's room for the second time and succeed to making it a clown. They search the room and find a note saying when Vault of Fear was opened before, there were many Boggarts in the Library which means it was nearby. They make the plan to search the entire Library until they find it.

Chapter 8: Barnaby Lee

"You Know Who is defeated! (The Boggart form, anyway.) The information in your brother's room now leads you to the Library, which may conceal a Cursed Vault."
— Year 3, Chapter 8 description[src]

Tulip tells the player they need to gather their friends and search the Library, and she will continue searching Jacob's room. Ben Copper, Bill Weasley, Rowan Khanna and Penny Haywood search the Library with the player and eventually find a note telling them the entrance will be in the Restricted Section, and decide to make a plan to sneak in. The player heads to find Tulip in Jacob's room and finds Merula waiting.

Merula implies she knows why they were searching the Library, and threatens the player. Tulip tells the player she's found nothing when searching Jacob's room but the player finds a note telling them the "book opens the way" and deduces they need to look in Jacob's notebook again. Tulip then tells the player they should bring Barnaby Lee onboard with the plan. The player then meets Barnaby in the Great Hall and the player asks if he wants to join them instead of working for Merula. He agrees if the player can defeat him in a duel. The Player chooses between Bill, Rowan and Tonks as the final member of the group.

Chapter 9: The Vault of Fear

"You have formed a surprising alliance with the Slytherin Barnaby Lee, while Tulip continues to find clues in your brother's research. The Vault of Fear looms ahead."
— Year 3, Chapter 9 description[src]

Tulip tells the player the plan for breaking in the Restricted Section and think of a way to trick Madam Pince. The player practises spells and then meets at the Library with Tulip, Barnaby and the last member of the group. If Rowan is previously chosen, they trick Madam Pince and open the Restricted Section with the Unlocking Charm. If Tonks, she brings a baby Mandrake and its scream makes Madam Pince leave. If Bill, he convinces Madam Pince that a first-year Hufflepuff planted Stink Pellets in the Restricted Section.

Merula shows up and duels the player. When the player wins, Barnaby tells the player to go in the room and he will fend Merula and Ismelda off. The player's crew sans Barnaby search the room and Barnaby later shows up and tells them Merula and Ismelda left, but they will probably tell a teacher about them. They find and enter the Vault of Fear and confront three Boggarts all taking the form of Voldemort. The Boggarts take the player's their friends captive, and the player saves them with the Boggart-Banishing Spell. The player hears Jacob's voice again telling them to fight, and Boggart Voldemort shows up and duels the player.

When the player wins the duel, they reunite with their friends and open the vault when they made the "ultimate sacrifice" by giving up magic. The player remembers Jacob's broken wand and thought the Vault of Ice opened because he broke his wand. The player brought Jacob's broken wand with them, and it opens the vault. They find a map of the Forbidden Forest and an arrow. The player takes the map and arrow and heads out of the vault and back to the Library before the teachers find them.

Chapter 10: Among Friends

"Your worst fear conquered, the curse broken, you are once again the triumphant Vault-Breaker of Hogwarts."
— Year 3, Chapter 10 description[src]

The player meets their friends in the Three Broomsticks Inn to celebrate breaking the curse and drink Butterbeer. Merula told Snape, only there will be no proof of what they have done and Madam Pince will be too proud to admit they tricked her. They wager the next vault will be in the Forbidden Forest.

The player and Rowan then admit to Ben they found letters to him signed by the name "R" in their second year which were addressed to Ben. Ben could not remember them and they worry about the memory loss and whether he's even telling the truth. Bill tells them they should worry about it another day.

Hagrid shows up and implies they were responsible for the fewer Boggarts being found around the school. Dumbledore then shows up and tells Hagrid he was supposed to keep it secret, and the player mentions Dumbledore was missing for the entire year. He says he was looking for someone, and he succeeded. The player is confused and Dumbledore tells them to meet him at the office and he will explain.

The player tells him everything about the day's events, and they deduce that another person keeps tampering with the vaults and opening them. Dumbledore tells them he was looking for the world's finest Curse-Breaker and that he invited her to join them next year. Even though the player broken the rules again, and Dumbledore warns them never to do it again, he rewards them with another chance and one hundred points.

Chapter 11: End-of-Term Feast

"Celebrate your third year at Hogwarts, and prepare for what's to come..."
— Year 3, Chapter 11 description[src]

The player attends the End-of-Term Feast where Dumbledore announces the House Cup winner. If the player's House won, they will be awarded with one hundred gems. They then head home for the summer.

Side Quests

Giant Problems: Hagrid

Takes place from Chapter 1 onward, consisting of 6 stages:

  1. Talk to Hagrid (Courtyard)
  2. Look for Fang (Artefact Room with Ben)
  3. Look for Fang (Potions Classroom with Penny)
  4. Look for Fang (Transfiguration Classroom with Rowan)
  5. Look for Fang (Library with Bill)
  6. Meet Hagrid (Three Broomsticks Inn)

Rubeus Hagrid asks if the player wants to visit him. It needs level 15 in Compassion to unlock.

Rewards: 50 CourageIcon.png Courage, 5 GemIcon.png Gems, 800 XPIcon.png XP.

Penny for Your Thoughts

Takes place during Chapter 4, consisting of 4 stages:

  1. Talk to Penny (Great Hall)
  2. Meet Penny (Dungeons)
  3. Talk to Penny (Potions Classroom)
  4. Help Penny (Courtyard)

Rewards: 50 EmpathyIcon.png Empathy, 3 GemIcon.png Gems, 800 XPIcon.png XP.

Wizarding World Famous

Takes place during Chapter 7, consisting of 10 stages:

  1. Gather in the Courtyard (I)
  2. Listen to Speaker (Great Hall)
  3. Gather in the Courtyard (II)
  4. Impress Rita in Potions Classroom
  5. Impress Rita in Transfiguration Classroom
  6. Impress Rita in Training Grounds
  7. Impress Rita in Charms Classroom
  8. Gather in the Training Grounds
  9. Talk to Rita (Common room)
  10. Gather in the Great Hall

Rewards: 50 KnowledgeIcon.png Knowledge, 10 GemIcon.png Gems, 900 XPIcon.png XP.

Bill's Secret

Can appear before the completion of the side quest above, consisting of 3 stages:

  1. Talk to Bill (Three Broomsticks Inn)
  2. Meet Emily (Courtyard)
  3. Talk to Bill (Three Broomsticks Inn)

Rewards: 50 EmpathyIcon.png Empathy, 2 GemIcon.png Gems, 500 XPIcon.png XP.

Farewell My Prefect

Can appear before the completion of the two side quests above, consisting of 5 stages:

  1. Talk to Angelica/Chester/Jane/Felix (Common room)
  2. Meet Angelica/Chester/Jane/Felix (Training Grounds)
  3. Talk to Angelica/Chester/Jane/Felix (Potions Classroom)
  4. Meet Angelica/Chester/Jane/Felix (Herbology Classroom)
  5. Talk to Angelica/Chester/Jane/Felix (Common room)

Rewards: 50 KnowledgeIcon.png Knowledge, 5 GemIcon.png Gems, 800 XPIcon.png XP.

Nearly Headless Nick

Consisting of 6 stages:

  1. Talk to Angelica (Great Hall)
  2. Search for Clues with Nick (Charms Classroom)
  3. Search for Clues with Nick (Artefact Room)
  4. Search for Clues with Nick (Potions Classroom)
  5. Search for Clues with Nick (Potions Classroom)
  6. Meet Angelica (Great Hall)

Rewards: 50 CourageIcon.png Courage, 6 GemIcon.png Gems, 1.400 XPIcon.png XP.

Polyjuice Potion

Consisting of 8 stages:

  1. Help Penny (Great Hall)
  2. Meet Penny (Courtyard)
  3. Search for ingredients (Potions Classroom)
  4. Meet Liz
  5. Brew Polyjuice Potion (Artefact Room)
  6. Get Snape's Hair (Potions Classroom)
  7. Finish the Polyjuice Potion! (Artefact Room)
  8. Impersonate Snape! (Great Hall)

Merula steals Penny potion and is praised for the work in the Great Hall.

Rewards: 50 CourageIcon.png Courage, 8 GemIcon.png Gems, 1.600 XPIcon.png XP.

Upping the Game


Become an Animagus

Main article: Become an Animagus

Occurs specifically after the completion of Chapter 3, but later readjusted to Chapter 1.[1]

Part 1

Part 2

Part 3

Part 4

The Frog Choir

Main article: The Frog Choir

Occurs specifically after the completion of Chapter 4.[2]

Main article: Frog Choir#1980s

Part 1

Part 2

Part 3

Part 4

Birds Of A Feather

Main article: Birds Of A Feather

Occurs specifically after the completion of Chapter 8.[3]

Part 1

Part 2

Part 3

Part 4

The Gift of Gratitude

Main article: The Gift of Gratitude
Part 1

Part 2

Part 3

Part 4

Welcome to the Sphinx Club

Part 1

Part 2

Part 3

Part 4

A Dragon's Quest

Main article: A Dragon's Quest

A Scandal in Hogsmeade

A Bad Omen

Main article: A Bad Omen







Behind the scenes

Fixed errors

  • Tonks should be a friend to the player upon the completion of Chapter 1, yet various players for unknown reasons were unable to unlock her as friends, even completing to the point of waiting for the release of Year 4. This error limited those players, making them unable to pick Tonks to accompany them to the Vault of Fear, forcing them to choose only between Bill Weasley and Rowan Khanna.
    • It was resolved on 5 June, 2018.
  • When Year 3 was first released, in the friends' section, Bill Weasley's year showed up as 3, even though it was supposed to be 5, and was correctly shown on the Leaderboard. It was resolved in a couple of days.
  • Side Quest "Nearly Headless Nick":
    • Sometimes appears four times in the side quest section, sometimes not at all.
    • Sometimes, after reopening the app while waiting for a task, the ending cutscene of the previous task is shown again, although the waiting time does not reset, indicating that this is not due to the game not properly saving.
    • Disappeared shortly after it was added, making it impossible for players to complete unless they were quick.
    • All the above was later fixed on 28 June 2018.

Continuity issues

In events that are chronologically set in the past, Harry Potter: Hogwarts Mystery updates dialogues to match with the player's current progress; this results in continuity errors but is avoidable as long as players access the events before encountering major changes that happen to a friend, such as gaining a new personality, graduation, or death. Notable examples include:

  • Achievement "Become an Animagus"
    • The quest is supposed to happen directly after Chapter 3. However, at that point, the player is not yet friends with Tulip Karasu and Barnaby Lee, but they are their friends during the quest.
  • Achievement "The Frog Choir"
    • The achievement is placed in Year 3, however, Chester is shown to be no longer attending Hogwarts, when he is only supposed to be graduating at the end of that year.
    • The side quest appears immediately after chapter 4 is finished, however Jacob’s sibling and Tulip Karasu act as if they have met before even if this quest is done before the chapter is finished.
  • Achievement "Birds Of A Feather"
    • At one point, Jacob's sibling mentions being an unregistered Animagus even if they chose to register (although another point in the side quest takes this choice into account).
    • Talbott fakes a letter from Rakepick to get Merula to the Courtyard, but as the quest is set in Year 3, Rakepick should not be at Hogwarts yet.
    • When searching in the Training Grounds, the characters mention grass and spotting something white. However, if the player plays the quest in December, the area is covered in snow, and as such, these mentions do not make sense.


  • In Chapter 2, Jacob's sibling and Hagrid will talk about the Boggart they found. Jacob's sibling will ask Hagrid whether he's begun Defence Against the Dark Arts class yet, which makes no sense because Hagrid no longer attends school. The line was probably intended for Hagrid to say, but the game labelled the speaker as Jacob's sibling ("You") by accident.
  • In Chapter 4, a background character at Zonko's Joke Shop is called "First-Year Boy". First-years and second-years are not allowed to go to Hogsmeade. Though it is possible that he managed to sneak into the village, like Harry Potter did when he didn't get the permission.
  • When Year 3 is completed, it is shown as "Chapter 8 completed" when it should be Chapter 11. For players who have reached Chapter 11 before its release on 7 June, 2018, they do not get to see the official chapter title.
  • In Side Quest "Giant Problems," when Fang needed to be found, the player can continue gaining one energy by clicking on the branch on the path to Hagrid's Hut, which makes the missing Fang appear.
  • Jacob's sibling can access Hogsmeade in Chapter 1 if choosing to start the "Giant Problems" Side Quest. However, in Chapter 2, it will appear as if Jacob's sibling had never been to Hogsmeade.
  • In Side Quest "Farewell My Prefect," when brewing the Babbling Beverage and choosing to read the instructions, the player mentions Penny being there. Jacob's sibling and the Prefect are the only two in the Potions Classroom at the moment.
  • Mice to Snuffboxes is learned in Transfiguration Class in Year 3. However, during the 1991–1992 school year, Harry and his Transfiguration Class learns this same spell in their first year and even have it on their practical exam.[4]
    • It could be that Professor McGonagall changed the order that she taught certain spells between Jacob's sibling's time at Hogwarts and Harry's time at Hogwarts.
  • When Year 3 is completed, it is shown as "Chapter 8 completed" when it should be Chapter 11. For players who have reached Chapter 11 before its release on 7 June 2018, they do not get to see the official chapter title.
  • Achievement "Become an Animagus"
    • If Jacob's sibling is in Hufflepuff, the exclamation of surprise upon seeing Penny Haywood in their Potions class would make no sense, for Penny should have been in the same class to begin with.
    • During the Gobstones game with Talbott Winger, Charlie Weasley's voice clips are used.

Notes and references