Chapter Summaries

Jon discovered that the former Hogwarts headmasters in their portraits could answer almost any question, though their constant arguments made the office unbearable. He challenged Phineas Black’s claims about Wandless Casting and began explaining why wizards’ ability to use tools mattered.

• Jon learned that the headmasters’ portraits were a valuable source of knowledge, despite their frequent arguments.
• After returning to the Headmaster's Office, Jon tried to summon Pumpkin Juice without his Wand, failed, and used his Wand to bring the cup to him.
• Phineas Black urged Jon to learn Wandless Casting, but Jon questioned its practical value and pointed out that it was weaker than ordinary spellcasting.
• Jon challenged Black’s claim that Wandless Casting could help after a wizard was disarmed, and Black was left speechless as the other headmasters laughed.
• Jon apologized for his argument and said that wizards differed from Magical Creatures because they could use tools; Oliver Cromwell praised his point as Jon began to explain his own magical abilities.

Jon Hart explained that his strength came not from exceptional spellcasting talent but from using wisdom and every available tool to solve problems. After he fell asleep in Dumbledore's office, the headmasters discussed a private matter involving Albus, while Jon pretended not to hear them.

• Jon told the headmasters that he was an average spellcaster with strengths in subjects such as Herbology, Potions, and memory magic.
• Jon recalled using potions, plants, and Fawkes to overcome the Triwizard Tournament tasks, and declared that practical ingenuity was his magical philosophy.
• Jon argued that outstanding wizards used tools and reason instead of relying only on spells or brute force, and the headmasters applauded him.
• Jon fell asleep in a sleeping bag as the portraits discussed whether to reveal something concerning Albus's privacy.
• Jon heard the headmasters' conversation but kept pretending to sleep.

Jon prepared to leave the Headmaster's Office after learning that the girl he had helped was recovering, while Harry's Occlumency lesson with Snape was interrupted by news that Kristoff Patrick had returned to Hogwarts. Jon claimed that he had escaped a Vanishing Cabinet using Apparition, and Snape reacted with sudden concern before leaving for his office.

• Headmistress Delis Derwent told Jon that the girl had recovered and would soon return to school, prompting Jon to plan his departure from the Headmaster's Office.
• Snape began Harry's Occlumency lesson, but Draco Malfoy interrupted to report that Kristoff had appeared outside Hogwarts and been taken to the Hospital Wing.
• Harry noticed Snape's silvery memory in the Pensieve after Snape left and wondered what it contained.
• Jon told Umbridge and the others that the Weasley twins had trapped him in a Vanishing Cabinet, where he survived by transfiguring food and escaped with Apparition.
• Snape abruptly left the Hospital Wing after Jon explained that he had Apparated from Hogsmeade.

Jon returned to Hogwarts disguised as Kristoff Patrick and recovered in the Hospital Wing, while Astoria also returned after her stay at St Mungo’s. Jon met her privately near the Forbidden Forest and questioned her about her illness, but she struggled to answer.

• Jon used magic to make himself look ill, pretended to faint at the Hogwarts entrance, and convinced Madam Pomfrey to treat him.
• After several days, Jon was discharged, and Crabbe and Goyle offered to beat up Ron Weasley on his behalf; Jon refused.
• Astoria returned to Hogwarts, and Jon found a chance to speak with her during Care of Magical Creatures.
• Jon left Avery and Selwyn and went to the Bowtruckle grove, where Astoria joined him.
• Jon told Astoria he had never been hurt, then asked sternly about her weeks at St Mungo’s; Astoria lowered her head and faltered.

Jon learned that Astoria had been hospitalized at St Mungo’s every summer, but she avoided explaining why. Umbridge then gathered Aurors and students to capture Hagrid, and Jon secretly steered the group into following him into the Forbidden Forest, where he fell behind.

• Jon asked Astoria about her recurring hospital stays, but she gave vague answers and changed the subject.
• Blaise Zabini told Jon that Umbridge urgently wanted to see him, and Jon found her office full of Aurors and restraints.
• Umbridge announced that her group would capture Hagrid after dark, while Jon worried about how to protect him without exposing himself.
• The group followed Hagrid from his hut, and Jon, Avery, and Zabini persuaded Umbridge that Hagrid might be guarding something left by Dumbledore.
• Umbridge ordered the group to follow Hagrid rather than attack, and Jon pretended to tie his shoelace so he could drop to the back.

Jon followed Umbridge’s group into the Forbidden Forest, where Hagrid’s giant brother Grop attacked the Aurors and students who tried to subdue Hagrid. Jon escaped unseen, and the chapter ended with an injured Kristoff Patrick collapsing at the castle entrance after warning Filch about danger in the forest.

• Jon secretly used a Stinging Jinx on Montague, whose shout alerted Hagrid to Umbridge and the Aurors.
• Umbridge ordered the Aurors and Slytherin students to attack Hagrid, who resisted their Stunning Spells.
• Grop rose from the supposed mound and attacked the group, knocking Aurors unconscious and scattering the students.
• Jon hid under a Disillusionment Charm as Grop carried Hagrid away, then returned toward the castle.
• Kristoff Patrick arrived bruised at the castle, warned Filch of danger in the Forbidden Forest, and collapsed.

After the Forbidden Forest disaster, Umbridge recovered and Hogwarts students prepared for their O.W.L.s while Jon gave Astoria space as she avoided him. During the History of Magic exam, Harry dreamed that Voldemort was torturing Sirius Black in the Department of Mysteries, then woke up in the examination room.

• Umbridge returned to Hogwarts in a wheelchair, while Delix remained unconscious and Montague narrowly escaped being swallowed by a Snargaluff.
• Cuthbert Mortotrich searched the Forbidden Forest for Hagrid and his brother but found no trace of them; Hagrid had fled into hiding with his brother.
• Umbridge issued Educational Decree Number Twenty-Seven and punished Montague, while favoring Malfoy and Patrick.
• As the term ended, Jon continued studying and let Astoria avoid him while she stayed with Daphne, who was preparing for her O.W.L.s.
• During the History of Magic O.W.L., Harry fell asleep and dreamed that Voldemort was torturing Sirius Black in the Department of Mysteries.
• Harry screamed and fell to the ground, then woke in the examination room as his classmates and the invigilator stared at him.

After Harry Potter fell asleep during his O.W.L. exam, he woke from a vision of Voldemort torturing Sirius and decided to go to the Department of Mysteries to save his godfather. Ginny, Luna, and Neville joined Harry, Ron, and Hermione as they prepared to contact Sirius through Umbridge’s office fireplace.

• Kristoff Patrick checked on Montague, who was guarding Professor Dolores Umbridge’s office, and warned him to watch for Harry Potter and his friends.
• Harry ran from the History of Magic exam after seeing Voldemort torture Sirius in a vision, leaving his exam paper blank.
• Harry told Ron Weasley and Hermione Granger that Sirius was in the Department of Mysteries and insisted they go rescue him.
• Hermione urged Harry to contact Sirius first, but Harry dismissed her concerns about a possible trap.
• Ginny Weasley suggested using Umbridge’s fireplace to contact the outside world, while Luna Lovegood and Neville Longbottom offered to join the rescue.

Jon Hart discovered that Harry Potter and Hermione Granger had broken into Dolores Umbridge's office to question Kreacher about Sirius, and he intervened before they could escape. Umbridge captured Harry and Hermione and demanded to know why Harry was in her office.

• Principal Dexter Fosco told Jon Hart that Harry Potter and Hermione Granger had entered Umbridge's office while Ron Weasley kept watch.
• Jon told Malfoy to find Umbridge and capture Harry's accomplices, then went to the office himself.
• Jon petrified Ron Weasley and overheard Harry questioning Kreacher about Sirius's whereabouts.
• Jon disarmed Hermione and confronted Harry, who dodged his spell and fired back.
• Umbridge arrived, bound Harry, took his Wand, and captured Hermione as her allies surrounded her.
• Umbridge praised Jon and demanded that Harry explain why he had entered her office.

Dolores Umbridge captured Harry and his friends in her office and tried to force Harry to reveal who he had contacted. Kristoff Patrick stopped her from using the Cruciatus Curse and began probing Harry's mind with Legilimency.

• Umbridge and the Slytherin students captured Harry, Hermione, Ron, Neville, Luna, and Ginny, while Draco Malfoy took Harry's Wand.
• Kristoff Patrick reported that the prisoners were all captured, and Umbridge praised him.
• Harry claimed he had come to retrieve his Firebolt, while Hermione invented a story about causing mischief in Umbridge's office.
• Kristoff told Umbridge that he had heard Harry speaking to someone through her fireplace, and Draco suggested using Veritaserum.
• Umbridge prepared to cast the Cruciatus Curse on Harry, but Kristoff stopped her and offered to use a spell that could read Harry's thoughts.
• Umbridge authorized Kristoff to use the forbidden spell, and he cast Legilimency on Harry.

Jon convinced Umbridge that Sirius Black and Dumbledore were planning to assassinate Minister Fudge, then urged her to prepare an ambush at the Ministry. Umbridge was tempted by the prospect of taking control of the Ministry while Harry lay unconscious and Hermione remained captive.

• Jon stunned Harry after seeing his memories and claiming he knew whom Harry had contacted.
• Draco and the other Slytherins took Ron, Neville, Ginny, and Luna away, while Pansy left Hermione tied up with Jon.
• Jon told Umbridge that Harry had contacted Sirius Black and that Black was working with escaped Death Eaters under Dumbledore's orders.
• Jon claimed Dumbledore's group planned to assassinate Fudge and advised Umbridge to prepare Aurors and block the Ministry's Floo and Apparition networks.
• Jon suggested that Umbridge could become the next master of the Ministry if she led the capture, and Umbridge grew eager at the prospect.

Jon tricked Umbridge into sending letters to the Ministry, then revealed himself as Dumbledore’s agent and rescued Hermione. After restoring her memories, he told her that Voldemort’s apparent capture of their friend at the Department of Mysteries was a trap.

• Umbridge sent owls to the Ministry of Magic and the Auror Office, hoping to capture Dumbledore and Black and advance her political ambitions.
• Umbridge threatened to torture Hermione, but Jon disarmed her and stunned her after revealing he was an undercover agent loyal to Dumbledore.
• Jon freed Hermione, returned her wand, and removed the Iron Ring, restoring her sealed memories of him.
• Hermione remembered that Jon had altered her memories in the Forbidden Forest and told him Voldemort had captured one of their friends at the Ministry.
• Jon insisted that the reported capture was a trap.

Jon revealed to Hermione that Voldemort’s vision of Sirius being captured was a lure for Harry and a trap for the Death Eaters, then asked her to impersonate Umbridge and command the Aurors. Harry and his friends left to save Sirius despite Hermione’s fears, while Hermione drank Polyjuice Potion and prepared to take Jon’s place.

• Jon told Hermione that Sirius was safe and Voldemort had fabricated Harry’s vision to lure him to the Department of Mysteries, where Death Eaters planned to seize an object and kill the group.
• Jon explained that he intended to use the mission to capture the Death Eaters, and asked Hermione to impersonate Umbridge and direct the Department of Magical Transportation staff and Aurors.
• Ron, Ginny, Luna, and Neville arrived after overpowering Umbridge’s allies, and Ginny revived Harry while Hermione concealed Jon’s involvement.
• Harry insisted on going to the Department of Mysteries to rescue Sirius, and Ginny, Luna, and Neville went to find Thestrals while Harry and Ron left Hermione behind.
• Hermione cried over sending her friends into danger, but Jon reassured her and gave her Polyjuice Potion; she drank it and asked what he planned to do next.

Jon coordinated the plan to expose Umbridge, alert Dumbledore, and prepare for the confrontation at the Ministry of Magic. As Harry and his friends headed to the Ministry, Jon went to the Room of Requirement to hide something.

• Hermione began transforming into Umbridge, while Jon left her to change into Umbridge's clothes and take her wand.
• Jon told the Stone Gargoyle that Umbridge was finished, then instructed the Hogwarts portraits to alert the Ministry and inform Dumbledore that Harry and his friends were on their way there.
• Phineas Black relayed Jon's message to Dumbledore that Fawkes should notify Jon if Dumbledore was about to fight Voldemort.
• Sirius Black argued with Dumbledore about joining the rescue, but Remus Lupin persuaded him to stay behind.
• Jon went to the eighth-floor tapestry and silently asked for a place to hide something.

Harry and his friends entered the Department of Mysteries to find Sirius but discovered the trip was a trap set by Lucius Malfoy and the Death Eaters. As Aurors and Death Eaters fought, Dolores Umbridge led Harry away with the Prophecy Orb.

• Harry and his friends reached Row 97 but found neither Sirius nor the Death Eaters from his dream.
• Neville pointed out a Crystal Ball marked with Harry’s name, and Harry picked it up despite Luna’s warning.
• Lucius Malfoy and twelve Death Eaters surrounded the group and demanded the Prophecy Orb, revealing that Harry had been lured into a trap.
• Dolores Umbridge alerted the Aurors, and Bellatrix Lestrange killed an Auror who appeared among the shelves.
• Harry and his friends blasted the Crystal Ball shelves to escape as Aurors clashed with the Death Eaters.
• Dolores Umbridge grabbed Harry and led him through the shelves while he clutched the Prophecy Orb.

Harry escaped the Department of Mysteries with the Prophecy Orb, but Lucius Malfoy and Bellatrix Lestrange cornered him and Neville. Members of the Order of the Phoenix arrived to fight the Death Eaters, just as Harry’s scar began to burn and he realized Voldemort was coming.

• Harry abandoned the unconscious Umbridge and escaped the Crystal Ball room, where he found a wounded Neville holding off the Death Eaters.
• Lucius Malfoy and Bellatrix Lestrange disarmed Neville, and Bellatrix tortured him to force Harry to surrender the Prophecy Orb.
• Kingsley Shacklebolt rescued Harry and fought Malfoy while Remus Lupin, Nymphadora Tonks, and other members of the Order of the Phoenix attacked Bellatrix and the Death Eaters.
• Arthur Weasley stunned Lucius Malfoy, while Bellatrix tried to flee from the Order’s attacks.
• Harry’s scar began burning painfully, and he warned everyone that Voldemort had arrived.

Voldemort confronted Dumbledore at the Ministry while Jon used Grindelwald’s Mithras Core to destroy two Horcruxes. Jon escaped Umbridge’s burning office and headed upstairs as Voldemort cried out in pain.

• Voldemort appeared in the Ministry hall, and Kingsley shielded Harry while the Order formed a protective circle around him.
• Dumbledore arrived to face Voldemort, while Kingsley led Harry away to find his friends and help capture the remaining Death Eaters.
• Fawkes appeared beside Jon, then returned to the Ministry to fight alongside Dumbledore.
• Jon placed Tom Riddle’s diary and Ravenclaw’s diadem on Umbridge’s desk and used the Mithras Core to amplify Fiendfyre.
• The flames consumed both Horcruxes, causing Voldemort to cry out in pain, and Jon pulled the waking Umbridge out before the office door shut.

Dumbledore battled Voldemort in the Department of Mysteries, with Fawkes and a mysterious pain weakening the Dark Lord. As golden fragments attacked Voldemort, an unidentified figure rushed into the room, leaving the confrontation unresolved.

• Voldemort destroyed the enchanted statues as Dumbledore directed them against him.
• Dumbledore and Voldemort exchanged attacks, and Fawkes appeared to defeat Voldemort's Fire Giant Serpent.
• Voldemort suddenly collapsed in pain, and Dumbledore said he had help.
• Dumbledore animated the shattered statue fragments, which tore through Voldemort and wounded Bellatrix Lestrange.
• Voldemort smiled as hurried footsteps approached, and an unidentified figure burst into the Department of Mysteries.

Barty Crouch Jr., disguised as Mad-Eye Moody, betrayed Voldemort during his duel with Dumbledore and struck him down, forcing Voldemort’s weakened soul to flee. The Death Eaters were captured or defeated, while Dumbledore hinted that an unknown ally had helped make the battle go as planned.

• Moody entered the Department of Mysteries as Voldemort ordered Barty to kill Dumbledore, then struck Voldemort with a powerful red beam.
• Voldemort realized that the attacker was Barty Crouch Jr. disguised as Moody, while the real Mad-Eye revealed himself and said he was not Barty.
• Voldemort’s body crumbled to ash and his soul fled as Dumbledore chose not to pursue it.
• Bellatrix Lestrange tried to escape through a fireplace, hit the wall, and was stunned by Nymphadora Tonks.
• Dumbledore told Kingsley Shacklebolt and Remus Lupin that Voldemort had escaped death again but would be weakened, and the Order and Aurors captured the remaining Death Eaters.
• Dumbledore told Tonks that an unnamed friend had helped, but he would explain more after telling that person a long story.

After Voldemort’s attack on the Ministry, Fudge learned that Lucius Malfoy had led the Death Eaters, while the injured Hermione was carried to safety. Jon waited at Hogwarts to tell Dumbledore about the Horcruxes, then Fawkes brought him to the Hog’s Head, where Dumbledore greeted him.

• Robards told Fudge that Dumbledore and Moody had defeated Voldemort and that Lucius Malfoy had led the Death Eaters.
• Hestia Jones carried the badly injured Hermione to Harry, but Hermione pushed his hand away and fainted.
• Jon heard that Dumbledore had been reappointed Hogwarts Headmaster and planned to tell him about the Horcruxes and the Gaunt ring.
• Fawkes took Jon from Hogwarts to Hogsmeade, where Dumbledore greeted him outside the Hog’s Head.