Chapter Summaries

Su Er taught the young wizards to practice the Disarming Charm in the Room of Requirement, correcting their technique and stopping the Weasley twins’ mischief. He ended the lesson before curfew, leaving the students curious about the advanced counter-spell he had used and its role in saving Paris.

• Su Er warned the students not to practice advanced magic alone, then paired them up to practice the Disarming Charm with Hermione helping him supervise.
• Su Er corrected the students’ aim and casting, praised Ginny Weasley’s performance, and advised Ron Weasley on putting emotion into his spells.
• Su Er caught Fred Weasley and George Weasley aiming spells at him, hoisted them upside down with Levicorpus, and left them hanging while the lesson continued.
• Hermione reminded Su Er that curfew was approaching, so he used an advanced counter-spell to end the practice and lower the twins safely to the floor.
• Su Er warned Fred and George that he would tell Molly, then explained that his counter-spell had once helped save Paris and sent the students back to their dormitories.

Su Er narrowly avoided being recognized by Justin and Morn while disguised as Mr. Aibo, then worked with Hermione and Dumbledore on a discreet way to notify members of their study group about meetings. The notification coins were completed, and Su Er asked Dumbledore to guide the students at a meeting.

• Justin and Morn questioned Su Er, disguised as Mr. Aibo, about his wand's resemblance to Su Er Bones's wand, but left unsure whether they had recognized him.
• Hermione returned to the Room of Requirement, and Su Er told her he had nearly been exposed; they agreed not to stay there much longer.
• Hermione proposed using Transfiguration and ancient runes to make an item that would discreetly notify study-group members of meeting times.
• Su Er enlisted Dumbledore's help and finished enchanting the last gold coin for the notification system.
• Dumbledore approved the group's focus on basic spells and asked what it studied, and Su Er invited him to attend a meeting and offer guidance.

Hermione learned that Dumbledore had agreed to secretly teach the group as Mr. Aibo, and the students benefited from his lessons at their third and fourth meetings. While Hogwarts gathered for the Quidditch match, Su Er stayed behind and overheard two Ravenclaw students searching the Castle for something.

• Hermione met Su Er at the Room of Requirement, where he told her Dumbledore had agreed to teach them without revealing his identity.
• Hermione was delighted that Dumbledore would instruct the group, even if he could teach them only once.
• Dumbledore taught the students as Mr. Aibo at their third and fourth meetings, sharing insights into basic spells.
• As the Quidditch House Cup match began, Su Er stayed behind while Hermione left with Ginny.
• Su Er overheard two Ravenclaw students searching the Castle for something and wondered what they were looking for.

Su Er investigated why Ravenclaw students were searching Hogwarts, while Gryffindor celebrated its Quidditch victory despite a fight with Slytherin. The chapter ended with Umbridge banning Harry, George, and Fred from playing Quidditch, prompting Gryffindors to rally against the decision.

• Su Er followed Ravenclaw students around the castle but learned nothing about what they were searching for.
• Professor McGonagall escorted Harry and George from the pitch after a brawl, while Gryffindor and Slytherin students traded insults.
• Su Er asked Hermione about the Ravenclaws, and Hermione decided to question Cho Chang about their secret search.
• Hermione told Su Er that Cho and the other Ravenclaws seemed nervous, and they considered sneaking into the Ravenclaw common room.
• Harry told the Gryffindor Quidditch team that Umbridge had confiscated his broom and banned him, George, and Fred from playing.
• Gryffindor students called the ban unfair and began volunteering to confront Professor McGonagall.

Harry learned that Umbridge had banned him, Fred, and George from Quidditch for life, while Ron returned and apologized for his role in the match. Hermione and Su Er secretly visited Hagrid after he returned from his mission, where Hagrid revealed that he and Olympe had failed.

• Ron returned to the common room and apologized to Harry, who told him that Umbridge had banned him from Quidditch for life alongside Fred and George.
• Harry, Ron, and Ginny went to bed without learning that Hagrid had returned, while Hermione noticed the light at his hut and Su Er stopped her from telling them.
• Hermione and Su Er visited Hagrid at his hut and found him badly injured after his return.
• Hagrid confirmed that the giants had injured him and told Su Er and Hermione that he and Olympe had failed.

Su Er and Hermione hid in their Animagus forms while Umbridge questioned Hagrid, then warned him about her scrutiny of his classes. Su Er told Hagrid that Dumbledore wanted him to recruit support from the Forbidden Forest’s creatures and that he would try to persuade the centaurs.

• Su Er stopped Hermione from using a Disillusionment Charm, and they hid as Animagi when Umbridge arrived at Hagrid’s house.
• Umbridge questioned Hagrid about his absence from Hogwarts and announced that she would soon inspect his classes before leaving.
• Hermione warned Hagrid that Umbridge was seeking grounds to dismiss people, but Hagrid remained unconcerned about his upcoming lessons.
• Su Er explained that Dumbledore had required him to remain presumed dead and asked Hagrid not to mention him to Harry and the others.
• Su Er told Hagrid that Dumbledore wanted the Forbidden Forest’s creatures to support Hogwarts in a future war, and Hagrid agreed to help him approach them while Su Er handled the centaurs.

Hermione discovered Umbridge’s new authority under Educational Decree Number Twenty-Five and tried to warn Hagrid about the danger of his planned Care of Magical Creatures lessons. Hagrid refused to change his plans, though he hinted that the animals were familiar to Hogwarts students beyond first years.

• Hermione returned from the Forbidden Forest with Su Er and worried that Hagrid would suffer for ignoring her advice about Umbridge.
• Hermione carried Su Er to visit Hagrid, where they saw Filch post Educational Decree Number Twenty-Five, giving the High Inquisitor supreme authority over student punishments and privileges.
• Hermione urged Hagrid to use safer creatures in his lessons, but Hagrid insisted his planned animals were not dangerous and rejected her concerns about Umbridge.
• Hagrid told Hermione that Dumbledore remained headmaster and said no one could drive people from Hogwarts without his approval.
• Hagrid refused to reveal his lesson plans but hinted that the animals were ones Hogwarts students encountered every year, except first years.

At the final D.A. gathering before Christmas, Su Er, disguised as Mr. Aibo, tested the students’ progress and began teaching them the Patronus Charm. He left them with holiday homework to collect happy memories before their next meeting.

• Hermione worried that Umbridge was using Hagrid’s lessons about Thestrals to target him because of his giant ancestry.
• Su Er arrived at the D.A. gathering and had the students practise combining the Stunning Spell, Impediment Jinx, and Shield Charm while moving.
• Su Er praised the students’ progress, then introduced the Patronus Charm and explained that it required strong positive emotions as well as correct wand movements and incantation.
• Su Er assigned the students to remember happy holiday experiences and taught them to pronounce “Expecto Patronum.”

Su Er spoke with Dumbledore in the Headmaster’s Office about the Ministry, Dumbledore’s hidden plans, and Hagrid’s courtship with Madame Maxime. Their conversation was interrupted when Harry reported seeing Arthur Weasley attacked by a huge snake, leaving Dumbledore to face an urgent warning.

• Su Er told Dumbledore he had taught students the Patronus Charm’s gestures and pronunciation, and Dumbledore explained that he wanted the students to unite while he gained time to act unseen.
• Dumbledore told Su Er that Madame Maxime had written anxiously about Hagrid, and Su Er agreed to encourage Hagrid to be more proactive.
• Professor McGonagall brought Harry and Ron into the Headmaster’s Office after Harry insisted he had witnessed something real.
• Harry told Dumbledore that he had seen through a snake’s perspective as it bit Arthur Weasley.

Dumbledore responded to Arthur Weasley’s attack by sending Harry and the Weasley children to St. Mungo’s, while Umbridge arrived too late to stop them. She then invoked her authority as High Inquisitor to demand oversight of student matters.

• Dumbledore learned from Everard and Dilys that Arthur Weasley had been taken to St. Mungo’s alive, and sent word to the Weasley family.
• Dumbledore questioned Harry about seeing the attack through a snake’s eyes and arranged for Harry and the Weasley children to travel to St. Mungo’s by Portkey.
• Fawkes’s warning alerted Dumbledore that Umbridge knew students were out of bed, so he sent McGonagall to distract her.
• Harry briefly showed cold, snake-like eyes before vanishing with the others, and Umbridge entered the Headmaster’s Office to question Dumbledore about his absence.
• Umbridge cited Educational Decree Number Twenty-Five and asserted her right to be informed about all matters concerning students.

Dumbledore took Su Er to St. Mungo’s to visit Arthur Weasley and showed him a lifelike, soulless replica of his own body, which was being used to conceal his survival. Su Er agreed to remain disguised as a patient through Christmas while Dumbledore’s allies kept the deception in place.

• Dumbledore warned Su Er that power required self-restraint, then asked him to accompany him to St. Mungo’s to see Arthur Weasley.
• Dumbledore and Su Er used Fawkes to travel to St. Mungo’s after midnight and made their way to the Spell Damage Department.
• Dumbledore showed Su Er a breathing, lifelike shell resembling him and explained that it had been created to fool the healers into believing he had died.
• Dumbledore asked Su Er to pose as a patient through Christmas while the shell’s lifespan was extended.
• Dumbledore said an Order of the Phoenix member would replace the ward’s usual healer and that Miss Granger would care for Su Er as family.

Su Er remained in St. Mungo’s under an enhanced Draught of Living Death while Tonks and Hermione maintained the illusion that he was gravely ill. After taking an awakening potion and disguising himself as Aibo, he left the hospital with Moody as masked men began a diversion for the Master’s plan.

• Tonks told Su Er that Moody would replace him at eight, and Su Er took the enhanced Draught of Living Death before hearing Harry arrive.
• Three masked men appeared near Purge and Dowse Ltd. and hurried to draw attention away from the Master’s plan, which involved Greyback’s men.
• Su Er took the awakening potion at St. Mungo’s, while Moody used magic to leave a decoy in his hospital bed.
• Su Er explained that the hair for his Polyjuice Potion came from an Icelandic wizard in a Hogsmeade tour group and took the name Aibo.
• Su Er used a Disillusionment Charm and left with Moody, hoping they could still get hot roast turkey.

Su Er and Hermione were caught in a werewolf attack at St. Mungo’s, where a black-robed assailant had conjured moonlight to trigger the transformation. After a boy risked himself to save a little girl, Hermione restrained the werewolf and Su Er dispelled the false moon, leaving the crowd able to fight back.

• Su Er joined Hermione in the hospital hall, where she remembered Fred and George had secretly given her a sealed letter.
• A black-robed man extinguished the lights and conjured a silver orb, triggering a patient’s transformation into a werewolf.
• The werewolf killed a wizard and charged at Avril, a little girl who had fallen amid the fleeing crowd.
• A boy cast Impedimenta and ran to lift Avril, but the werewolf broke free and turned on him.
• Hermione cast Impedimenta and Swamp Mire at the werewolf while Su Er used Finite Incantatem to destroy the conjured moon.
• The hospital visitors remembered they could use magic against the lone werewolf.

Cornelius Fudge arrived at St. Mungo's after a werewolf attack and learned that three werewolves had assaulted the hospital, injuring Arthur and others upstairs. Moody headed off to see Arthur after rebuking Percy for downplaying his father's injuries.

• Fudge arrived with Aurors and found one werewolf restrained in the hall and a victim lying in a pool of blood.
• Madam Smeltings approached the victim while Fudge asked about the attack.
• Moody brought two unconscious werewolves into the hall and reported that several people upstairs had been injured.
• Madam Smeltings sent healers upstairs to treat the injured and ordered the staff to check the werewolves and search for other victims.
• Fudge asked Percy to take him to Arthur, but Percy called his injuries minor and said Mr. Ulysses was waiting for him.
• Moody warned Percy that Arthur had nearly been killed, then went to find Su Er and the others.

After Neville saved a little girl from a werewolf, Su Er praised his courage and reassured him that his parents would be proud. The chapter ended with Su Er promising to visit Neville’s parents as Moody approached.

• Neville returned the girl safely to her mother and accepted the Galleons she offered.
• Su Er and Hermione congratulated Neville, and Mrs. Longbottom arrived to check that he was unharmed.
• Su Er praised Neville’s Herbology talent, then defended him when Mrs. Longbottom said she wanted him to become an Auror like his father.
• Su Er told Mrs. Longbottom that Neville had bravely stopped the werewolf from attacking the girl and said he would ask Dumbledore to award Gryffindor points.
• Su Er told Neville that his parents would be proud of him and promised to visit them before wishing him a Merry Christmas.

Su Er, Hermione, and Moody returned to Grimmauld Place, where Moody reported the werewolf attack at St. Mungo's and reassured the Weasleys that Arthur was safe. Su Er gave Fred, George, Ron, and Ginny a Patronus Charm lesson, then was left alone with Harry after the others went to bed.

• Su Er, Hermione, and Moody arrived at Grimmauld Place and exchanged greetings with Mrs. Weasley and the twins.
• At dinner, Moody told the Weasleys that three werewolves had appeared at St. Mungo's and reassured Mrs. Weasley about Arthur.
• Fred, George, Ron, and Ginny asked Su Er to teach them the Patronus Charm, and they managed to summon silver wisps.
• Mrs. Weasley caught Fred and George Apparating inside the house and went upstairs to reprimand them.
• After the drawing room emptied, Harry called out to stop Su Er as he was about to leave.

Su Er told Harry that his visions and urge to attack Dumbledore came from a mental connection to Voldemort, carried by Harry’s scar, and that Voldemort had probably discovered it. Harry was left shaken by the revelation.

• Harry asked Su Er whether he knew about Dark Magic and described dreaming that he attacked Mr. Weasley as a snake, then feeling the same urge toward Dumbledore.
• Su Er reassured Harry that Mr. Weasley’s injury was not his fault and said he had witnessed Harry change when he touched the Portkey.
• Su Er learned that Harry had studied Occlumency with Professor Snape but had made little progress.
• Su Er explained that Harry’s scar hurt when Voldemort invaded his thoughts and suggested it carried a mental connection between them.
• Su Er warned that Voldemort had probably discovered the connection and had tried to control Harry, leaving Harry chilled and speechless.

Su Er warned Harry that Voldemort could exploit their mental connection and urged him to learn Occlumency and seek help if his dreams showed danger. After Harry left, Hermione joined Su Er by the fire, while an unseen observer watched them from the doorway.

• Harry worried that Voldemort might control his mind, and Su Er advised him to take Occlumency seriously despite how difficult it was.
• Su Er explained that Voldemort could invade Harry's mind as an active participant and might use realistic dreams to lure him into danger.
• Harry understood that he should tell Dumbledore or Professor McGonagall if he saw a suspicious dream and should not investigate alone.
• After Harry left, Su Er reflected that Harry might forget the warning if he believed Sirius or Remus Lupin was in danger.
• Hermione came to talk with Su Er about Harry and their plans after graduation as they sat by the fire.
• An unseen pair of eyes watched Su Er and Hermione from the shadowed doorway.

Su Er and Hermione answered Moody’s call and found the Order of the Phoenix returning to Grimmauld Place badly injured. Dumbledore and Snape arrived to help, but Dumbledore asked Hermione to fetch Molly before explaining what had happened.

• Moody sent a message saying that he and the others would arrive at Grimmauld Place within a minute, and Su Er and Hermione went outside to meet them.
• A dozen injured Order members arrived, including Sirius, Remus Lupin, Sturgis Podmore, Kingsley Shacklebolt, and Moody, who had lost a foot.
• Su Er sent a Patronus to notify Dumbledore, and the group went inside to avoid being followed.
• The injured gathered in a room beside the kitchen while Kreacher served tea, and Sirius described their mission only as a major operation.
• Dumbledore and Snape arrived by Floo, and Snape examined the injured before Dumbledore asked Hermione to fetch Molly without alerting anyone else.

After the Azkaban breakout became public, Su Er trained Hogwarts students to cast the Patronus Charm and taught Harry and Hermione to use Patronuses for secure communication. He warned the students that conjuring one would be far harder when facing Dementors and proposed testing their abilities at the next meeting.

• Dumbledore and Moody discussed the Death Eaters’ escape from Azkaban, the attack on St. Mungo’s, and Riddle’s apparent interest in the Department of Mysteries.
• The Daily Prophet reported that ten prisoners had escaped from Azkaban, and students gathered in the Room of Requirement to discuss the news with Su Er disguised as Aibo.
• Su Er urged the students to learn the Patronus Charm to defend themselves against Dementors, and Cedric demonstrated his developing horse-shaped Patronus.
• Su Er gave the students chocolates containing Elixir to Induce Euphoria and asked Cedric to help correct their practice.
• Su Er taught Harry and Hermione to send messages with their Patronuses, and both learned the method quickly.
• After several students summoned Patronuses, Su Er warned that Dementors would make the spell much more difficult and suggested testing them at the next meeting.