Chapter Summaries

Aaron met Harry, Hermione, Ron, Draco, and Xilin at the Hog's Head for a planned meeting about learning Defense Against the Dark Arts, but dozens of students arrived instead. As the gathering began, Aaron confirmed that Voldemort had returned and challenged the students to explain why they should trust anyone's testimony.

• Aaron, Draco, and Xilin entered the filthy Hog's Head, where Aaron recognized the bartender as a powerful wizard and ordered drinks.
• Harry, Hermione, and Ron arrived, and Hermione and Xilin exchanged a tense look while the group waited for the other students.
• More than twenty students from several houses arrived, far exceeding the three to five Aaron had expected, and Aaron reluctantly agreed to help teach with Harry as his assistant.
• Hermione opened the meeting by explaining that they needed a competent Defense Against the Dark Arts teacher, while the students questioned why they had gathered.
• Ron said Voldemort had returned, but when students demanded evidence, Harry refused to explain and Draco mocked him.
• Aaron confirmed that Voldemort had returned and challenged the students' skepticism, saying they had dismissed testimony from both Harry and Dumbledore.

Aaron helped Hermione organize a student Defense group, while warning that Umbridge would soon discover it; the next day, Umbridge banned unauthorized gatherings. Harry received a coded message from Snuffles despite surveillance concerns, and Umbridge tried to challenge Aaron in Potions, but Snape and Dumbledore’s approval undercut her authority.

• Aaron compared Zacharias Smith’s demands for evidence to Cornelius Fudge’s denials, then agreed to teach Defense with Harry as his assistant.
• Hermione proposed a weekly Defense lesson and collected names; Aaron explained that the parchment would punish anyone who informed on the group.
• Umbridge posted a decree banning student gatherings of three or more without her permission, and Harry insisted the group would continue.
• Harry’s injured owl Hedwig brought a coded message from Snuffles, and McGonagall warned him that Hogwarts communications were being monitored.
• During Potions, Umbridge challenged Aaron for writing instead of brewing, but Snape cited Aaron’s special permission and Aaron reminded her that Dumbledore had approved his pet Abei.

Harry and his classmates formed a secret Defense Against the Dark Arts group in the Room of Requirement, with Aaron agreeing to teach them. The group chose the initials D.A., leaving Draco unhappy that they also stood for Dumbledore’s Army.

• Harry, Ron, and Hermione told Sirius that Umbridge had banned gatherings of more than three people, and Sirius warned them that Molly opposed their plans while encouraging them to continue.
• Umbridge nearly caught Sirius during their Floo conversation, and Aaron scolded Harry, Ron, and Hermione for using a monitored communication channel.
• Harry, Ron, and Hermione found the Room of Requirement and invited Aaron, Draco, Xilin, and other students to use it for training.
• The students entered the room, which provided training space, Defense Against the Dark Arts books, cushions, and detection instruments.
• After debating possible names, the students voted to call their group D.A., leaving Draco upset that it could stand for Dumbledore’s Army.

Aaron began teaching Defense Against the Dark Arts by explaining wizarding strength, the limits of talent, and the factors that determine combat ability. He demonstrated his overwhelming magical power and wandless casting, leaving the students eager to learn more.

• Aaron warned the students that his teaching style would be different, asked them not to reveal he taught them, and began class.
• Aaron explained the nine wizarding ranks, identified Archmages as the current elite, and named Hogwarts' founders as Holy Magus-level examples and Merlin as the legendary God of Magic.
• Aaron taught that combat ability depended on Magic Power, accumulated spells, combat experience, and external factors, and demonstrated how powerful his Lumos could become.
• When the students pressed Aaron to reveal his strength, he silenced Harry before he could speak and said only that he could not beat Dumbledore and that the students could not beat him.
• Aaron explained how wands could affect duels and triggered Harry's painful scar by discussing Priori Incantatem.
• Aaron demonstrated wandless casting, and Luna recognized the technique while Ron asked whether they could learn it.

Aaron taught Hogwarts students how tools, personal condition, pets, and luck affected magical combat, then began practical lessons with the Disarming Charm. He left students to practice at different paces and encouraged them to move on from spells that did not suit them.

• Aaron explained that Wandless Casting was difficult, unreliable, and too advanced for the students to learn from him.
• Aaron compared magical power to water and explained how a wizard's condition, combat experience, equipment, pets, and luck could affect a fight.
• Aaron described Felix Felicis and offered to brew it for students who gathered the rare ingredients.
• Aaron summoned practice statues and assigned Harry to organize Disarming Charm training, with students required to pass sparring before advancing.
• Aaron told the students they could take more classes to learn the Disarming Charm or switch to other spells if it did not suit them.

Aaron trained the students in the Disarming Charm, then introduced Shield Charm drills using moving stone statues on Wizard Chess boards. The students improved through practice, and Aaron ended the lesson by arranging a future training time around Quidditch practice.

• Aaron tested the students’ Disarming Charms, found that only twelve had succeeded, and warned Harry not to go easy on Ron.
• George and Fred asked to learn the Patronus Charm, but Aaron required them to master five spells first and began teaching them the Shield Charm.
• Draco set George and Fred against moving statues on a Wizard Chess board, while Aaron raised the difficulty for Draco and Xilin as well.
• George lasted the longest before a statue pressed its sword to his neck; Fred failed quickly, and Draco and Xilin left the board when exhausted.
• Aaron coached the students through more Disarming Charm practice, then ended the lesson and told the prefects to arrange training around Quidditch practice.

Aaron bought a Book of Prophecy, which produced only a daily weather prediction, and placed it in the Divine Thunder Hall. At Hogwarts, Gryffindor won the first Quidditch match despite Ron’s poor goalkeeping, while Hermione showed Aaron her enchanted coins for coordinating Defense Association meetings.

• Aaron spent 500 Magic Points on the Book of Prophecy, whose first prediction was that thunderstorms would give way to sunshine the next day.
• Aaron and the Thoughtform placed the Book of Prophecy in a recess above the Divine Thunder Hall’s throne, and Aaron bought Holy Water to make bullets against demons.
• At the first Quidditch match of the season, Ron failed to stop several shots, but Harry caught the Golden Snitch and Gryffindor defeated Slytherin.
• Hermione showed Aaron the enchanted Galleons she had made to notify Defense Association members when meeting times changed.
• Draco restrained his temper after Slytherin’s loss, and Harry persuaded Ron not to quit the Gryffindor team.

Aaron visited Hagrid after his return to Hogwarts, healed his injuries with Abei, and collected magical creature feathers for his enchanted bullets. He warned Hagrid that Umbridge would target him as a professor, while Hagrid told Harry, Ron, and Hermione that the giants had been courted by both Dumbledore and the Death Eaters.

• Aaron found Hagrid injured after his failed attempt with Madam Maxime to win the giants’ friendship, and Abei healed him with magic.
• Aaron obtained Hagrid’s bundle of feathers without paying and warned him that Umbridge, the new Hogwarts High Inquisitor, would look for reasons to dismiss him.
• Harry, Ron, and Hermione arrived at Hagrid’s hut as Aaron left, and Aaron urged them to explain the danger posed by Umbridge.
• Hagrid told Harry, Ron, and Hermione that he and Madam Maxime had tried to recruit the giants, but the Death Eaters had offered better gifts.
• Hagrid discussed Umbridge’s plans to target his lessons with Harry, Ron, and Hermione, while acknowledging Dumbledore could not afford a conflict with Fudge.

Hermione and Aaron tried to keep Hagrid from risking his post with an ill-advised Care of Magical Creatures lesson, but Hagrid went ahead and taught the students about Thestrals. Umbridge arrived to inspect the class, leaving Hagrid under scrutiny after Aaron publicly challenged her notes.

• Umbridge visited Hagrid's hut and warned him that he should not expect to return to Hogwarts.
• Hermione tried to persuade Hagrid to choose safer creatures for his lesson, while Aaron refused to accompany her but agreed to help Hagrid if he could.
• Hagrid took his students into the Forbidden Forest and summoned Thestrals, which Aaron recognized and explained to the class.
• Aaron said people could see Thestrals after witnessing death, and Harry, Neville, and a Slytherin student raised their hands to say they could see them.
• Umbridge arrived to observe the lesson and wrote that Hagrid had used clumsy gestures, but Aaron's sarcastic defense made her cross out the note.

Aaron helped Hagrid withstand Umbridge’s inspection, then led the D.A.’s final Defense Against the Dark Arts lesson before Christmas. As the holidays began, Aaron rested in the Divine Thunder Hall and received the Thoughtform’s accumulated Magic Array experience.

• Aaron used Illusion Magic to show the students the Thestrals, then challenged Umbridge’s claims and prevented her from recording negative evaluations of Hagrid and Neville.
• Umbridge ended her inspection but warned that Hagrid would face more inspections, and Hagrid continued teaching the students about Thestrals.
• Aaron thanked Hagrid for the magical creature feathers and warned him that Umbridge would keep targeting him.
• In the Room of Requirement, Aaron taught the D.A. the Stunning Spell, assigned Harry to help the beginners, and postponed teaching Fred and George the Patronus Charm until after Christmas.
• Aaron returned to the Divine Thunder Hall, where the Thoughtform transferred its Magic Array experience, allowing Aaron to cast the ultimate five-element arrays much faster.

Aaron used an anonymous letter to warn Ron about the prophecy that a Weasley was in mortal danger. Harry then woke from a vision of Arthur Weasley being attacked by a snake, and Dumbledore sent help while Professor McGonagall went to alert the other Weasley children.

• Aaron and the Thoughtform decided to warn the Weasleys without revealing the Book of Prophecy or contacting Dumbledore directly.
• Aaron disguised himself as Dumbledore, entered Gryffindor Tower, and left an anonymous letter beside Ron's bed.
• Harry woke convulsing from a vision of a huge snake biting Arthur Weasley, and Ron rushed to help him.
• Neville fetched Professor McGonagall, who believed Harry and took him and Ron to Dumbledore.
• Dumbledore sent Everard and Dilys to locate Arthur and asked McGonagall to wake the other Weasley children.

Harry and Ron learned that Arthur Weasley had survived an attack, while an anonymous warning letter revealed a hidden Gryffindor with exceptional prophetic talent. Professor McGonagall began searching for the letter’s author, and Hedwig might help identify them.

• Dumbledore learned that Arthur Weasley had been taken to St Mungo’s and would recover, then sent Harry, Ron, and the other Weasleys to Sirius’s home by Portkey.
• Ron showed the group an anonymous letter warning that a Weasley was in mortal danger, and Dumbledore and McGonagall determined that someone had secretly entered the dormitory to deliver it.
• McGonagall concluded that the letter’s author was a Gryffindor with rare prophetic talent, and Dumbledore agreed that she could look for the student without approaching them yet.
• McGonagall failed to find any traces in Harry’s dormitory, then told Hermione about the warning and the search for its author.
• Hermione pointed out Hedwig as a possible witness, and McGonagall asked the owl whether anyone had visited the dormitory.

Professor McGonagall and Hermione discovered that Aaron had entered Gryffindor Common Room disguised as Dumbledore to warn Ron about Arthur’s danger. Dumbledore questioned Aaron, who denied leaving the letter, then suggested its author may simply have wanted to save a life.

• McGonagall and Hermione searched Gryffindor for the student who had warned Ron, but the Fat Lady revealed that Dumbledore had entered the common room the previous night.
• Hermione used Hedwig at dinner to identify Aaron, and McGonagall reported her discovery to Dumbledore.
• Dumbledore decided not to recruit Aaron into the Phoenix Society yet and summoned him to discuss the break-in and warning letter.
• Aaron denied leaving the letter and claimed he had slept in his dormitory, while Abei frightened Hedwig into silence.
• Dumbledore asked Aaron what the letter’s author intended, and Aaron suggested that the person had simply not wanted to watch someone die.

Aaron explained his neutrality to Hermione and discouraged her from joining Dumbledore's Phoenix Society, warning her about its dangers and the effect her death would have on her parents. Hermione agreed to think about becoming an ally instead, and Aaron hinted that he might need her help.

• Aaron and the Thoughtform discussed Dumbledore identifying Aaron as the sender of the warning letter and his likely efforts to recruit the Gaius Family.
• After the Christmas departures, Hermione found Aaron in the Room of Requirement and apologized for directing McGonagall to use Hedwig, which had helped Dumbledore trace the letter to him.
• Aaron told Hermione that he intended to remain neutral, though he had sent the letter to protect a Weasley whose life his prophecy had warned was in danger.
• Hermione said she wanted to support Dumbledore and asked about joining the Phoenix Society, but Aaron warned that its members faced high casualties and that her parents would suffer if she died.
• Hermione admitted she was not ready to risk her parents' grief and agreed to consider becoming an ally of the Phoenix Society instead.
• Hermione invited Aaron to visit Arthur Weasley at St. Mungo's, but he declined and said he might need her help with something.

Aaron arranged for Hermione to bring Abei to the Order of the Phoenix in exchange for helping gather intelligence and heal Arthur Weasley. Hermione comforted Harry about his fear that Voldemort had possessed him, then brought Abei to St Mungo’s, where it demanded five turkeys before treating Arthur.

• Aaron asked Hermione to buy food for Abei and bring it to him, while allowing her to take Abei to heal Arthur Weasley.
• Aaron explained to the Thoughtform that Abei would gather intelligence for their protection and that saving Arthur made the arrangement a fair trade.
• Hermione brought Abei to Grimmauld Place, learned Harry feared that Voldemort had possessed him, and reassured him that his fear was unfounded.
• Harry rejoined Ron and Ginny, and Ginny reminded him that she had been possessed without knowing what she was doing.
• Hermione and the Weasleys visited Arthur at St Mungo’s, where Moody concealed Abei behind conjured partitions.
• Abei demanded five turkeys before treating Arthur, and Harry agreed to its price.

Abei healed Arthur Weasley and returned to Aaron after spending Christmas with the Weasleys, where it secretly ate well and caused trouble. Abei revealed that the Order of the Phoenix feared Voldemort could possess Harry, and Aaron began preparing for the danger ahead, including Draco, Crabbe, and Goyle.

• Abei healed Arthur Weasley's injuries, and the Weasleys decided he should remain at St Mungo's for examination rather than explain his sudden recovery.
• Harry and his friends encountered Neville visiting his parents, who had been driven insane by Death Eaters and confined in St Mungo's psychiatric ward.
• Abei reunited with Aaron and admitted it had secretly found extra food, gotten Fred, George, and Ron in trouble, and frightened Moody and Lupin during the holiday.
• Aaron and the Thoughtform stored Abei's supplies, then asked what it had learned while staying with the Order of the Phoenix.
• Abei reported that the Order met at 12 Grimmauld Place, worried Voldemort might possess Harry, and had Snape begin teaching Harry the Cerebral Sealing Technique.
• Aaron and the Thoughtform concluded that danger was approaching and discussed preparations for Harry, Draco, Crabbe, and Goyle.

Aaron taught the D.A. how to fight Dementors with the Patronus Charm after explaining that the escaped Death Eaters might have gained the Dementors’ support. After Harry and his allies revealed the truth about Voldemort’s return in The Quibbler, the article provoked Umbridge and enraged Draco, and Aaron took Draco, Crabbe, and Goyle with him.

• Aaron told Xilin that the D.A. would resume training and later warned the students that Dementors might join Voldemort after ten Death Eaters escaped Azkaban.
• Aaron demonstrated illusions of Dementors, explained the Patronus Charm, and left Harry to help the D.A. members practise it.
• Harry told Aaron that Snape’s Cerebral Sealing Technique lessons had not helped and that his scar and connection to Voldemort seemed stronger.
• Harry and his allies met Rita Skeeter and arranged for her to publish their account of the previous June in The Quibbler.
• Umbridge banned students from possessing The Quibbler, and Draco grew furious after reading its article accusing prominent figures of being Death Eaters.
• Aaron checked the article, found that it did not mention him, and told Draco, Crabbe, and Goyle to come with him.

Aaron warned Draco, Crabbe, and Goyle to stay quiet about the report that their fathers were Death Eaters, while he strengthened his soul with a Goat Talisman. The Book of Prophecy revealed that Umbridge would dismiss Sybill Trelawney, leaving Aaron considering how to help without attracting the Ministry’s attention.

• Aaron told Draco, Crabbe, and Goyle that he had witnessed Voldemort summon their fathers as Death Eaters, and advised them to neither admit nor deny the report in The Quibbler.
• Aaron and his Thoughtform discussed preparing for war, including their limited progress enchanting a powerful bullet and Aaron’s growing magical strength.
• Aaron spent one thousand Magic Points on the Goat Talisman, absorbed its sheep spirit, and gained abilities that could protect and strengthen his soul.
• The Book of Prophecy told Aaron that Umbridge would dismiss Sybill Trelawney that day.
• Aaron decided Trelawney deserved respect but hesitated to act against Umbridge because the Ministry might turn its attention toward him.

Umbridge tried to dismiss Professor Trelawney, but Dumbledore kept her at Hogwarts and appointed Firenze as the new Divination professor. Later, Aaron discovered that Marietta Edgecombe had betrayed D.A., so he suspended meetings and urged members to deny everything if Umbridge confronted them.

• Umbridge presented Trelawney’s dismissal order, but Dumbledore allowed her to remain at Hogwarts and Aaron offered her temporary work in Diagon Alley.
• Dumbledore announced that Firenze would take over Divination, and Umbridge’s attempt to control the position failed.
• As O.W.L. pressure mounted, Aaron continued tutoring Slytherins and overseeing D.A. training, then announced that someone had exposed the group.
• Aaron revealed Marietta Edgecombe’s name glowing red on D.A.’s list and explained that she had only just informed Umbridge.
• Aaron suspended D.A. classes, warned members to deny the group’s existence if questioned, and told them to leave separately.

Aaron let Harry, Ron, and Hermione escape while Umbridge arrested him, then accompanied her to Dumbledore’s office as Fudge confronted the Headmaster over Dumbledore’s Army. Marietta Ekko appeared as the Ministry’s witness, but the curse on her face exposed her betrayal and left her too distressed to testify.

• Aaron spent his quest reward on Magical Energy and told Harry, Ron, and Hermione to escape while he stayed behind as a scapegoat.
• Umbridge blasted open the Room of Requirement’s door and arrested Aaron, while the three students remained hidden under his Disillusionment Charm.
• Ron, Hermione, and Harry discussed Percy’s estrangement from his family and worried that Fudge was targeting Dumbledore.
• At the Headmaster’s Office, Aaron assured Fudge he would not interfere and persuaded him to keep Umbridge from targeting him.
• Umbridge brought Marietta Ekko to testify, but the cursed word “informer” on Marietta’s face made Fudge recoil and left her sobbing instead of speaking.