Arc 2The Chamber Opens

Mia defeated Quirrell, returned to Hogwarts, and began the year by becoming an Animagus and helping develop a treatment for the Longbottoms. As the Chamber of Secrets attacks escalated, she suspected a Basilisk and discovered that Tom Riddle’s notebook was a Horcrux.

  • Mia saved Harry and Draco from Voldemort, then recovered and earned top marks, House Cup points, and a special award.
  • Mia and Harry escaped the Dursleys with the Weasleys, and Mia helped them reach Hogwarts safely despite the flying car’s failing invisibility.
  • After Draco insulted Hermione, Mia ended their friendship and began training Harry, Hermione, and Ron while preparing to become an Animagus.
  • Mia transformed into a crow, grew close to Luna, and proposed a treatment for the Longbottoms that she and Snape developed into the potion Hope.
  • When the Chamber of Secrets opened and Mrs. Norris was petrified, Mia suspected a Basilisk and defended Harry as students blamed him for the attacks.
  • Mia protected Harry and Draco during the Quidditch match, helped investigate the attacks, and warned students not to shun Harry after he spoke Parseltongue.
  • Mia joined Harry, Ron, and Hermione in brewing Polyjuice Potion, and Harry and Ron learned from Draco that a Muggle-born student had died when the Chamber opened fifty years earlier.
  • Mia found Tom Riddle’s notebook, questioned Moaning Myrtle, watched a memory in which Riddle blamed Hagrid, and concluded the notebook was a Horcrux.
Chapters 26–50 Vol. 1 Read

Ch. 26The Mirror of Erised

Harry, Ron, and Mia found the Mirror of Erised, which showed each of them their deepest desires, and Dumbledore explained its dangers. He sent them back and said he would move the mirror, leaving Harry comforted but still longing for his family.

  • Mia separated from Harry and Ron while they evaded Filch and Mrs. Norris, then overheard Snape confront Quirrell about who he was working for.
  • Harry and Ron found an empty room and discovered the Mirror of Erised, which showed Harry his parents and younger sister and showed Ron himself as head boy and Quidditch captain.
  • Mia found Harry and Ron, looked into the mirror, and saw herself grown up with Lily and James beside her.
  • Dumbledore explained that the mirror showed the deepest desires of people's hearts but could not reveal truth or promise that those desires would come true.
  • Dumbledore said he would move the mirror, thanked Mia for the warm woolen socks, and sent the children back.

Ch. 27Rematch with Voldemort

Mia rescued Harry and Draco from Voldemort in the Forbidden Forest and defeated him with Ancient Magic. She collapsed from the effort as Hagrid, Hermione, Ron, Dumbledore, McGonagall, and Snape arrived.

  • Mia studied Ancient Magic while cleaning the Trophy Room during detention, then went to practice in the Forbidden Forest.
  • Mia heard a scream and found Voldemort attacking Harry and Draco with the Killing Curse.
  • Mia shoved Harry and Draco out of danger, protected them, and confronted Voldemort.
  • Mia restrained Voldemort with Hagalaz and struck him with Ancient Magic, making him disappear as Quirrell collapsed.
  • Mia collapsed, and Harry and Draco caught her before Hagrid, Hermione, Ron, Dumbledore, McGonagall, and Snape arrived.

Ch. 28Magical Exhaustion

Mia recovered from magical exhaustion after using Ancient Magic to save Harry from Quirrell, while her friends and Snape waited anxiously. She returned to school life after Dumbledore confirmed Quirrell was imprisoned and the Philosopher’s Stone destroyed, then placed first in the final exams.

  • Mia collapsed after dueling Quirrell to save Harry, and Madam Pomfrey discovered that another source of magic was healing her exhausted magic.
  • Dumbledore, McGonagall, and Snape left to discuss Quirrell, while Harry and the others were sent away so Mia could rest.
  • Mia woke several days later, and Dumbledore told her the Philosopher’s Stone had been destroyed and Quirrell had been locked up in Azkaban.
  • Harry, Hermione, and Ron welcomed Mia back and told her about Hagrid’s Norwegian Ridgeback and Gryffindor’s Quidditch Cup victory.
  • Theodore gave Mia a potion and homework notes, and Draco hurried to see her after she returned to the common room.
  • Mia took first place in the final exams and became famous once again.

Ch. 29The Special Award for Services and the House Cup

Mia helped Harry and Ron prepare for final exams, then earned perfect marks and took first place in the school. At the end-of-year feast, Dumbledore awarded her fifty points and the Special Award for Services to the School, leaving the House Cup celebrations transformed by recognition of her bravery.

  • Mia predicted exam questions for Harry and Ron, and the students completed their written and practical exams.
  • Mia earned perfect marks in every subject and placed first, while Hermione came close behind and Ron and Harry both passed.
  • At the end-of-year feast, Dumbledore announced Gryffindor had won the House Cup with 483 points, narrowly ahead of Slytherin.
  • Draco pointed out that Mia had defeated Quirrell, and Dumbledore awarded her fifty points for fighting a dark wizard and protecting her companions.
  • Dumbledore gave Mia the Special Award for Services to the School for repeatedly thwarting Quirrell, and the Great Hall erupted in cheers.

Ch. 30The Holidays

As the school year ended, Mia and Harry returned to the Dursleys’ home, where Mia continued her magical research and tried to reassure Harry when their friends did not write. The chapter left the siblings facing the Dursleys’ preparations for an important visit from the Masons.

  • Draco invited Mia to visit during the holidays, and she declined but agreed to exchange letters; Theodore gave her a Dark Magic artifact for protection.
  • Hagrid gave Mia and Harry a family photo album before they boarded the Hogwarts Express, and they returned to the Dursleys’ home with Hermione and Ron.
  • Mia developed an alchemical device that could fool the Ministry’s Trace into detecting an adult wizard nearby.
  • Harry worried that Hermione and Ron had forgotten him, and Mia reassured him that something must be keeping them from writing.
  • Uncle Vernon warned Mia and Harry to keep their owl and cat confined, then rehearsed with Aunt Petunia and Dudley for the Masons’ visit; Mia pulled Harry upstairs.

Ch. 31Dobby

Dobby warned Harry Potter and Mia Potter not to return to Hogwarts, but his attempt to keep them away led to trouble with the Dursleys. Ron, Fred, and George arrived in a flying car to rescue them.

  • Mia Potter and Harry Potter found Dobby in their room, where he warned them that a plot threatened them and urged them not to return to Hogwarts.
  • Dobby revealed that he had intercepted their friends’ letters, and Mia Potter tried to retrieve them with magic.
  • Dobby tried to throw a cake at Mrs Mason, but Harry Potter and Mia Potter stopped him before the Dursleys caught them.
  • The Dursleys sealed the Potters’ windows and forbade them from returning to school, while Mia Potter gave Harry a rune-engraved necklace as protection.
  • Ron, Fred, and George arrived in a flying car and told Harry Potter and Mia Potter to gather their things so they could rescue them.

Ch. 32The Burrow

Mia and Harry escaped the Dursleys with Ron, Fred, and George and reached the Burrow, where Mrs. Weasley welcomed them warmly. They met Ginny and Mr. Weasley, who immediately asked them about Muggle objects.

  • Mia and Harry packed while Fred and George pulled the bars from Harry's window, and the group escaped in the Weasleys' car.
  • The group reached the Burrow at dawn, where Mia and Harry were amazed by the cozy wizarding home.
  • Mrs. Weasley scolded her sons for taking the car, then warmly welcomed Mia and Harry and invited them to call her Aunt Molly.
  • Ginny saw Mia and Harry, then ran away, and Ron explained that she had been talking about them all summer.
  • Mr. Weasley arrived home from work, met Mia and Harry, and asked them what a rubber duck was for.

Ch. 33Knockturn Alley

Mia and Harry went with the Weasleys to Diagon Alley, where Harry accidentally traveled to Knockturn Alley and encountered danger before Hagrid brought him back. At Flourish and Blotts, they met Gilderoy Lockhart and Draco, and Mia apologized to Draco for failing to answer his letters.

  • Mia signed Ginny's notebook and wrote her a blessing, then Harry added his own autograph.
  • Harry accidentally went to Knockturn Alley and hid when he saw Lucius Malfoy at Borgin and Burkes; Hagrid found him and helped him return.
  • Mia reunited with Harry outside Flourish and Blotts, cleaned him with Scourgify, and Hermione repaired his glasses.
  • Gilderoy Lockhart arrived at the bookshop and posed for a photo with Harry while Mia avoided the crowd.
  • Mia noticed Draco watching her, and he complained that she had ignored his letters; she apologized, and he accepted it.

Ch. 34Malfoy

At Flourish and Blotts, Lucius Malfoy insulted the Weasleys and Muggle-borns while secretly placing a black book in Ginny's cauldron. Staying at the Burrow until Hogwarts began, Mia wondered whether Draco's family loyalty put them on different sides, while Ginny asked if Mia liked Draco or her brothers.

  • Harry and the Weasley brothers escaped the crowd, and Draco mocked Harry before Lucius Malfoy arrived and greeted Mia.
  • Lucius confronted Harry about his scar and Voldemort, then insulted Hermione and the Weasleys while Arthur defended his family.
  • Lucius slipped a black book into Ginny's cauldron, invited Mia to Malfoy Manor, and left with Draco.
  • The Weasleys returned to the Burrow with Mia and Harry, where Ginny happily shared a bed with Mia.
  • Ginny asked Mia whether she liked Draco, then suggested Mia could choose George and Fred instead.

Ch. 35The Flying Car

Mia, Harry, and Ron flew to Hogwarts in Mr. Arthur's car after being stopped from boarding the Hogwarts Express, and Mia kept them safe when the car malfunctioned. They reached the school with Dumbledore and Snape's help, attended the Sorting, and Mia avoided discussing the delay with Draco.

  • Mia used a Concealment Charm as Ron and Harry took Mr. Arthur's flying car toward Hogwarts, then used magic to steer it clear of the Hogwarts Express when its invisibility booster failed.
  • Mia sent Hedwig to alert Dumbledore and Snape and reassure Hermione and the others, then maintained protective and levitation spells as the car followed the train.
  • Dumbledore and Snape helped the car land safely at Hogwarts, and Snape praised Mia's judgment and awarded her, Ron, and Harry ten points each.
  • Mia joined the Slytherin table and briefly acknowledged Ginny, while Astoria Greengrass was sorted into Slytherin and Colin Creevey and Luna Lovegood entered other houses.
  • Daphne and Theodore joined Mia on the way to the dormitories, leaving Draco angry as Mia avoided telling him what had delayed her.

Ch. 36What Did I Come For? To Get Told Off

Mia joined Harry and Ron at breakfast, where Colin Creevey took their pictures without permission and Ron received a Howler from his mother for stealing the car. After the public scolding, Mia returned to the Slytherin table, where Draco realized she had been upset about the same incident.

  • Ron showed Harry that his wand had broken in the crash, and Mia joined the Gryffindor table for breakfast.
  • Colin Creevey introduced himself, photographed Harry and Mia without permission, and asked them to pose with him.
  • Errol delivered Ron a Howler, which loudly scolded him for stealing the car and revealed that Arthur faced a Ministry inquiry.
  • Mia covered Harry's ears during the Howler, while George and Fred realized she had been involved in the car trip and Ginny told them to stop teasing her.
  • Mia returned to the Slytherin table, and Draco guessed that she had been upset about the Howler and tried to cheer her up.

Ch. 37Disastrous Defence Against Dark Magic Class

Mia and her classmates endured Gilderoy Lockhart’s disastrous Defence Against Dark Magic lesson, which ended with them stopping a swarm of Cornish Pixies after Lockhart fled. Mia repaired the classroom, and the group left as the lesson neared its end.

  • Draco took the seat beside Mia and glared at Lockhart when the teacher flirted with her.
  • Lockhart gave the class a quiz about his personal preferences and achievements, and Mia said she knew the answers but did not want to praise him.
  • Lockhart released Cornish Pixies from a cage, lost control of them, and ran away as they terrorized the classroom.
  • Mia and Hermione cast spells to stop the pixies, while Mia lowered Neville from the ceiling and the others returned the creatures to their cage.
  • Mia used Reparo to restore the damaged classroom, then suggested that everyone leave.

Ch. 38The Slytherin Quidditch Team

Draco made the Slytherin Quidditch team, but Mia ended their friendship after he insulted Hermione with a blood-status slur. Mia later partnered with Theodore in Herbology and secretly took Mandrake leaves to begin preparing to become an Animagus.

  • Draco became Slytherin's Seeker, Goyle and Crabbe became Beaters, and Lucius sponsored the team with seven Nimbus 2001s.
  • At the Quidditch pitch, Draco called Hermione a Mudblood, and Ron's broken wand turned his Slug-Vomiting Charm back on him.
  • Mia demanded that Draco apologize, and when he refused, she told him they could no longer see each other.
  • Madam Pomfrey treated Ron, and Mia, Hagrid, and Harry comforted Hermione while Mia explained the insult and its meaning.
  • Mia avoided Draco in the days afterward and partnered with Theodore to repot Mandrakes, earning five points for Slytherin.
  • Mia secretly took several Mandrake leaves because she planned to begin becoming an Animagus during the coming cloudless months.

Ch. 39Special Training

Mia trained Harry, Hermione, and Ron in defensive and attack spells in the Room of Requirement, then began the second stage of becoming an Animagus. The chapter left Mia performing the required sunrise-and-sunset incantation as she waited for the coming thunderstorm.

  • Mia brought Harry, Hermione, and Ron to the Room of Requirement and taught them Protego, Expelliarmus, and the Blasting Curse.
  • Mia gave each of them an alchemical bracelet that could create a shield and sense the others’ approximate locations.
  • Harry, Hermione, and Ron fought the animated statues through an exhausting training session, with Hermione protecting them all using Protego Totalum.
  • Mia continued dragging the trio back for nightly training while she prepared for the next Animagus step.
  • After keeping a Mandrake leaf in her mouth for a month, Mia went to the Forbidden Forest and learned that the next thunderstorm would arrive the following week.
  • Mia checked the trio’s progress, stayed in the Room of Requirement, and recited “Amato, Animo, Animato, Animagus” at sunrise.

Ch. 40The Elfin Luna

Mia recalled how she had befriended Luna Lovegood in the Ravenclaw Common Room and protected her from bullying. Meanwhile, Draco worried that Mia would keep ignoring him, while Mia reassured Luna that she cared about how others treated her.

  • Draco asked Daphne and Blaise how to make peace with Mia, but refused to apologize to Granger.
  • Luna visited the common room and curled up beside Theodore, while Daphne asked whether she knew where Mia was.
  • Mia remembered meeting Luna in Ravenclaw’s Common Room after answering the eagle knocker’s question.
  • Mia spoke with Luna about The Quibbler and Wrackspurts, and the two became close through Mia’s frequent visits.
  • After Mia learned Luna was being bullied, she reported it and warned the students responsible.
  • Mia asked Luna whether anyone had bullied her lately, and Luna said she did not mind before Mia told her that she did.

Ch. 41Animagus

Mia successfully transformed into a crow Animagus and visited Harry, who eventually recognized her. She returned to human form and reassured Harry after he and Hermione scolded her for attempting the dangerous transformation alone.

  • During a storm, Mia retrieved the buried potion, performed the Animagus incantation, and transformed into a small black crow.
  • Mia flew to the unicorn stream, where the unicorns recognized and affectionately welcomed her.
  • Mia flew to Lockhart’s office, landed on Harry’s shoulder, and followed him out after Lockhart objected to the crow.
  • At the Room of Requirement, Mia revealed herself as the crow by striking Ron with a familiar wing movement, and Harry recognized her.
  • Mia confirmed that she had become an Animagus, prompting Harry and Hermione to scold her before she retrieved her wand and changed back.
  • Harry asked Mia to tell him before attempting anything dangerous again, and she agreed.

Ch. 42Afternoon Tea

Mia hosted afternoon tea on the lawn with Hermione, Luna, Ginny, Daphne, and Astoria, and the girls discussed what they wanted in a partner. The conversation drew in several boys interested in Mia, and Harry eventually pulled his sister away after the group shared the snacks.

  • Mia brought treats from the kitchen and joined Hermione, Ginny, and Luna on the lawn before Daphne and Astoria arrived.
  • Daphne, Astoria, Hermione, Luna, and Ginny shared their preferences in a partner and pressed Mia to name someone she liked.
  • Mia said she had no time for a relationship, and the girls realized the boys they had been discussing were standing nearby.
  • Cedric greeted Mia and gave her candy, while Harry, the twins, Draco, and Theodore each tried to stay close to her.
  • Theodore offered Mia his improved Potions formula, and the group sat together to finish the snacks before Harry pulled Mia away.

Ch. 43Aftereffects of the Cruciatus Curse

Mia proposed modern psychological therapies and a new potion to treat the lasting effects of the Cruciatus Curse, hoping to help Neville’s parents and others like them. Snape and the other professors supported her plan, and Dumbledore arranged for St. Mungo’s to test the treatments while Snape worked with Mia on the potion.

  • Mia used her holiday to study and make a defensive gift for Theodore, while considering Sirius’s innocence and the victims of Voldemort’s attacks.
  • Mia wrote down a plan to combine modern psychological treatments with a potion for anxiety and depression to address the Cruciatus Curse’s aftereffects.
  • Mia brought her proposal to Snape, who agreed to study a suitable potion with her and passed the idea to Dumbledore.
  • Dumbledore summoned Mia to meet with the professors, and she explained her proposal and answered their questions.
  • Professor Sprout judged the approach feasible, and Dumbledore arranged for St. Mungo’s to conduct experiments while Snape took charge of the potion research.

Ch. 44Words in Blood

Mia and Professor Snape’s Hope potion helped the Longbottoms respond to their surroundings, raising hopes of recovery for victims of the Cruciatus Curse. After Mia returned to Hogwarts, Harry heard a threatening voice and found a message announcing that the Chamber of Secrets had been opened beside the petrified Mrs. Norris.

  • Mia and Professor Snape tested their potion on Frank and Alice Longbottom, who began responding to healers and recognizing Neville in a photograph.
  • Mia proposed further testing and rehabilitation with family involvement, while Snape planned to improve the potion’s soothing effects; they named it Hope.
  • Neville and students whose parents had suffered from the Cruciatus Curse welcomed Mia and Snape back to Hogwarts, and Mia encouraged Neville to hold on to hope.
  • After the potion research paused, Mia joined Hermione and Ron to collect Harry from Lockhart’s office, where Harry heard a strange voice threatening to kill.
  • Harry followed the voice with Mia, Hermione, and Ron, and they found spiders fleeing from a corridor and the message that the Chamber of Secrets had been opened beside Mrs. Norris’s petrified body.
  • Mia examined Mrs. Norris and reassured Harry that Mandrakes could revive her.

Ch. 45The Chamber of Secrets

After Mrs. Norris was found petrified beside a threatening message, Dumbledore dismissed Harry and his friends as suspects while Mia helped reassure Filch. Mia learned the legend of the Chamber of Secrets and suspected its monster was a Basilisk, linking Harry’s ability to understand snakes to Salazar Slytherin’s bloodline.

  • Mia told Filch that Mrs. Norris had been petrified rather than killed, and Dumbledore confirmed she could be saved.
  • Filch accused Harry, but Mia and Snape defended him, and Dumbledore cleared him for lack of evidence.
  • Mia told Filch that Professor Sprout’s Mandrakes would provide an antidote for Mrs. Norris.
  • Professor Snape explained that Salazar Slytherin had built the hidden Chamber of Secrets to be opened by his heir.
  • Mia connected the Chamber’s heir, the attack on Harry, and Harry’s ability to understand snakes, then suspected a Basilisk was inside.
  • Snape warned Mia to be careful while her theory remained unconfirmed.

Ch. 46Over-the-Top Acting

Mia watched Harry’s Quidditch match, protected him and Draco from an out-of-control Bludger, and took Harry to the Hospital Wing after Gryffindor won. She returned to find Draco loudly pretending to be hurt to get her attention.

  • Mia listened as Harry, Ron, and Hermione discussed the Chamber of Secrets and Hermione proposed using Polyjuice Potion to investigate Draco.
  • During the Gryffindor-Slytherin match, an out-of-control Bludger damaged Harry’s broom, and Mia cast a protective charm on Wood as he fell.
  • The Bludger knocked Draco from his broom, and Mia cast Protego on him before Harry caught the Golden Snitch and won the match.
  • Mia destroyed the Bludger when it continued to attack Harry, then shielded him from Lockhart and took him to the Hospital Wing.
  • Wood thanked Mia for saving him and invited her to watch Gryffindor practice on Saturday.
  • When Mia returned to Harry’s bedside, Draco dramatically wailed to draw her attention, but she ignored him.

Ch. 47The Duelling Club and Parseltongue

Mia learned that Harry could speak Parseltongue after Draco’s snake exposed his ability at Lockhart’s Duelling Club, and she sought Snape’s advice. When the school began shunning Harry as the suspected Heir of Slytherin, Mia defended him and silenced the students.

  • Dobby told Harry that he had stopped Harry, Mia and Ron from reaching school and had controlled the Bludger, warning that something terrible was about to happen at Hogwarts.
  • Mia, Harry, Hermione and Ron brewed Polyjuice Potion in the girls’ bathroom while discussing the Chamber of Secrets and the attacks.
  • Mia brought Harry, Hermione and Ron to Lockhart’s Duelling Club, where Snape demonstrated a duel and Draco conjured a snake that Harry addressed in Parseltongue.
  • Mia told Snape that Harry had spoken Parseltongue since a visit to the zoo, and Snape warned her to be careful because the Basilisk had begun attacking people.
  • Mia found Harry isolated in the library and warned the students not to shun or speak against him, after which they stopped doing so.

Ch. 48Almost Took the Blame Again

Harry, Mia, Ron, and Hermione found Nearly Headless Nick and Justin Finch-Fletchley petrified, and Mia suspected a Basilisk was responsible. At Dumbledore’s office, Hagrid defended Harry, and Dumbledore let the four students go after Harry denied knowing anything.

  • Harry, Mia, Ron, and Hermione followed a strange voice and found Nearly Headless Nick and Justin Finch-Fletchley petrified beside spiders.
  • Mia suspected a Basilisk had attacked them and warned the others to be careful.
  • Filch caught the four students at the scene and escorted them to the Headmaster’s Office, where Fawkes was reborn from ashes and greeted Mia affectionately.
  • Dumbledore invited the students to have cocoa, and Mia told him that Snape would make his medicine bitter if he did not take care of himself.
  • Hagrid came to defend the students, and Dumbledore assured him he did not believe Harry had attacked anyone.
  • Dumbledore asked Harry whether he had anything to tell him; Harry said no, and Dumbledore let the four students leave.

Ch. 49Polyjuice Potion

Hermione, Harry and Ron prepared to use Polyjuice Potion to question Draco about the Chamber of Secrets, while Mia helped them and stayed out of the disguise mission. Harry and Ron learned that Draco knew little about the Chamber before the potion began wearing off, and Mia’s arrival gave them a chance to escape.

  • Hermione revealed her plan to drug Crabbe and Goyle, while Mia warned her that the hair she had taken from Millicent Bulstrode was cat hair.
  • Harry and Ron lured Crabbe and Goyle into eating Sleeping Draught-laced cakes, then drank Polyjuice Potion made with their hair.
  • Harry and Ron entered the Slytherin Common Room and were nearly caught by Percy before Draco brought them inside.
  • Draco complained that Mia had stopped speaking to him and said his father had told him the Chamber had been opened fifty years earlier, when a Muggle-born wizard died.
  • As Harry’s disguise began to wear off, Mia entered with a black notebook, and Harry and Ron used the distraction to flee.

Ch. 50The Notebook

Mia found Tom Marvolo Riddle’s notebook and learned from Moaning Myrtle that a pair of enormous yellow eyes had killed her. The notebook showed Mia a memory of Tom framing Hagrid, and she left it under magical surveillance before questioning Harry about Draco.

  • Mia discovered Tom Marvolo Riddle’s notebook in the abandoned bathroom and found traces of Ancient Magic on it.
  • Mia questioned Moaning Myrtle, who recalled seeing enormous yellow eyes just before she died.
  • Mia wrote in the notebook and spoke with Tom Riddle, who offered to show her a memory from fifty years earlier.
  • Mia watched Tom Riddle speak with Dumbledore and saw him accuse Hagrid of causing Myrtle’s death.
  • Mia concluded the notebook was a Horcrux, placed tracking and confinement spells on it, and asked Harry what Draco knew.
Arc 2 of 2
Arc 2 of 2