Chapter Summaries

Peeves explained that Myrtle blamed him for her accidental death after she encountered the Basilisk near the Chamber of Secrets. Jon planned to connect Myrtle to the Magic Net and visit her that night.

• Peeves told Jon and Seshatri that Myrtle refused to help because she still blamed him for her death.
• Peeves explained that Myrtle accidentally saw the Basilisk after he tried to drive her from the bathroom.
• Jon said he would deal with Myrtle, but Peeves refused to get involved and left.
• Jon explained that he wanted to use Myrtle as a node for the Magic Net, and Seshatri agreed to the plan.
• Jon decided to visit Moaning Myrtle that night.

Jon sent a wisp of his soul, carried by the Mysterious Bird, to connect Moaning Myrtle to the Magic Net. As he crossed Hogwarts Castle on a magical spider, it suddenly veered away from the girls' bathroom, and Jon let it continue without knowing why.

• Jon explained to Seshatri that he would investigate Moaning Myrtle using an out-of-body method rather than wait until the next day.
• Jon sent a wisp of his soul out under the Mysterious Bird's protection and took a strand of the Magic Net with him.
• A small spider emerged from the Magic Net, carrying a new branch line that Jon intended to connect to Moaning Myrtle.
• Jon rode the spider into Hogwarts Castle and headed toward the girls' bathroom.
• The spider abruptly changed direction before reaching the bathroom, and Jon allowed it to act on its own.

Jon discovered that the Magic Net had absorbed a small amount of negative emotion from beneath Shadow of Hogwarts, injuring him and destabilizing the net. While Seshatri repaired it by transferring its lingering negative sparks into Black Lake creatures, she sensed that chaotic information and other impurities had accumulated within it.

• Jon returned in a panic after the Magic Net absorbed negative emotions beneath Shadow of Hogwarts and injured his soul.
• Jon explained that negative emotions could briefly strengthen the Magic Net but would cause lasting harm if it absorbed too much.
• Seshatri sent her soul into the void space to repair the Magic Net while Jon rested.
• Seshatri found widespread negative sparks throughout the Magic Net and used it to catch fish and shrimp in Black Lake, transferring the sparks into them in exchange for their soul power.
• Seshatri sensed that the Magic Net had slipped beyond their control and filled with chaotic information and impurities.

Jon dreamed of observing Seshatri stabilize the Magic Net by purging its harmful negative emotions, a process that consumed their power. As Jon began supporting her, the vine in his pocket drew his blood and sprouted.

• Jon recognized that the negative emotions surrounding the Magic Net had been absorbed from Shadow of Hogwarts and the environment.
• Jon saw Seshatri correcting the Magic Net and sending its negative emotions away through countless fine wounds in its structure.
• Jon understood that the Magic Net and Seshatri had reached a stable balance, while their work consumed the power of both builders.
• Jon's Thestral-feather-and-bone pendant glowed and stirred the vine in his pocket.
• The vine tore through Jon's clothes, pierced his skin, drew his blood, and began to sprout.

Jon explained that the World Tree had absorbed the pressure threatening him and Seshatri, who proposed a new plan. Meanwhile, Grindelwald tracked a cult's wealthy sponsor to a yacht and captured her.

• Jon showed Seshatri the World Tree roots wrapped around his Silent Bracelet and explained that they had taken the pressure from his soul.
• Seshatri considered Jon's explanation and proposed a new plan.
• Grindelwald investigated the abandoned island where a suspected cult sponsor funded the racing scene.
• Grindelwald crossed the cliff to a yacht and identified the cult's target among the revelers.
• Grindelwald knocked out the people on the yacht and pulled a woman from the room, realizing she was the cult's investor.

Jon and Seshatri considered moving the Magic Net’s foundation into the Magic Fairy Castle, but Jon warned that doing so would risk losing the World Will’s support. They settled on testing a safe passage between worlds instead, pending Professor Grindelwald’s return.

• Seshatri proposed moving the Magic Net’s foundation from Hogwarts to another world and asked to speak with Helga directly.
• Jon explained that relocating the foundation would violate the World Will’s conditions and could cause It to destroy the Magic Net.
• Seshatri proposed using soul intervention to test a passage from a Magic Net relay point to the Magic Fairy Castle.
• Jon agreed that the World Tree’s roots could help construct the passage, but said they would have to wait for Professor Grindelwald to return.
• Seshatri said Grindelwald was likely investigating groups connected to the Pantheon Revival and would return after learning what they were planning.

Jon and Seshatri stabilized the Magic Net while Harry, Hermione, and Ron secretly tried to brew Polyjuice Potion. After learning that Harry had been injured in a Quidditch match, Jon heard that Hogwarts’s House-elves wanted to leave for another world and agreed to consult Helga.

• Jon and Seshatri decided to practice transferring souls while waiting for Grindelwald to return and worked Moaning Myrtle into the Magic Net’s surveillance system.
• Harry, Hermione, and Ron used Lockhart’s name to obtain a potion book and began trying to brew Polyjuice Potion in the girls’ bathroom.
• Jon told Seshatri not to have Snape help the trio and said he planned to leave so Harry’s later school years could unfold without his interference.
• A House-elf told Jon that Harry had been injured by a Bludger and Lockhart had vanished the bones in his arm.
• The House-elf asked whether the Hogwarts House-elves could go to another world, and Jon said he would discuss their request with Helga.

Jon discussed the Hogwarts House-elves’ wish to leave and said he would help them reach Helga’s Magic Fairy Castle once things had settled. After Seshatri reported an unidentified House-elf heading to the hospital, Jon recognized that Dobby was going to find Harry Potter and suspected the Basilisk had made another move.

• Seshatri questioned whether Hogwarts’ House-elves could be trusted, and Jon said they knew their boundaries and that he planned to help them leave later.
• Jon explained that transporting the House-elves to Helga’s Magic Fairy Castle would be difficult but possible with a strong magic array and help from the ancestors.
• Seshatri told Jon that an unidentified House-elf had run from the Forbidden Forest toward the school hospital.
• Jon recognized the House-elf as Dobby and recalled that he and Grindelwald had once caught him near Harry Potter’s home.
• Seshatri and Jon noted that the Magic Net and Peeves’ unusual silence pointed to trouble at Hogwarts, and Jon concluded that the Basilisk had acted again.

Jon discussed Colin Creevey’s petrification and the Basilisk’s growing danger with Peeves, arguing that the creature should not be transferred to Helga’s world. Peeves noticed Jon was acting strangely, and Jon warned that his emotions might disrupt Dumbledore’s plan.

• Peeves told Jon that the Basilisk had petrified Colin Creevey, whose camera had been destroyed, and that Dumbledore had revealed the Basilisk’s existence to the professors.
• Peeves reported that Miss Granger and Mr. Weasley had gone to Moaning Myrtle’s bathroom, near the Basilisk’s entrance to the Chamber of Secrets.
• Jon rejected Peeves’s plan to transfer the Basilisk to Helga’s world and argued that it was better suited to die and nourish the Magic Net.
• Jon explained that Shadow of Hogwarts’s accumulated negative emotions had made the Basilisk more violent, while Peeves argued that the recovering castle could eventually suppress it.
• Jon said he might lose control of his emotions and disrupt Dumbledore’s plan, and Peeves told him that he was not right.

After Colin Creevey was attacked, fear and rumors spread through Hogwarts while Jon reflected on his unfinished plans and left the students to manage their own affairs. Harry, Ron, and Hermione tried to obtain the ingredients for their Polyjuice Potion, and Harry set off fireworks in Snape’s class to distract him while Hermione planned to break into his storeroom.

• Colin Creevey was found attacked and lying in the hospital wing, prompting students to trade protective charms and travel in groups.
• Jon discussed Gabriel Truman and his unfinished responsibilities with Seshatri, then accepted that events outside his control would unfold without him.
• Harry, Ron, and Hermione stayed at Hogwarts for Christmas so they could investigate Malfoy using Polyjuice Potion.
• Hermione decided to steal the missing potion ingredients from Snape’s storeroom while Harry and Ron distracted him.
• Harry set off Fred’s Wildfire Whiz-bangs in Potions class after Snape turned to criticize Neville.

Jon discussed Dumbledore’s plans for Harry and worried that Dumbledore might be harmed while searching for Voldemort’s Horcruxes. He decided to go to Magic Fairy Castle that night, with Seshatri agreeing to suppress the Magic Net while he was away.

• Hermione slipped out of Snape’s classroom after Goyle’s potion exploded and returned with the fireworks hidden beneath her robes.
• Snape treated the students’ swelling and threatened to expel whoever had caused the explosion, while Peeves laughed at his reaction.
• Peeves told Jon that Dumbledore wanted his opinion on Lockhart’s proposed Dueling Club, and Jon approved but warned against rushing Harry’s development.
• Seshatri guessed that Jon had used Peeves to send Dumbledore a warning about taking care around the Horcruxes.
• Jon decided to visit Magic Fairy Castle that night, and Seshatri agreed to suppress the Magic Net’s movements while he was gone.

Jon used Divine Prayer to reach Helga and found her nearing the end of her first evolution while creating life in another land. After Helga asked what he would do if the world proved different from what he imagined, Jon urged his weary ancestor not to take its cruelty so hard.

• Jon arrived in the great hall and asked Deler whether Helga had awakened, then attempted to contact Helga through Divine Prayer.
• Jon sensed Helga transforming magical power into divine power and realized that she was completing her evolution while shaping the Magic Fairy Castle world.
• Helga showed Jon a grand ritual before a white tower, where her created people witnessed a divine miracle at sunset.
• Helga asked Jon what he would do if the world was not what he imagined it to be.
• Jon acknowledged the world's cruelty and told Helga not to take it so hard.

Jon waited for Helga to overcome her doubts, and her decision transformed the world’s night by creating a moon. He then met with Helga and asked her to help test a passage for transferring the souls of people petrified by the Basilisk.

• Jon told Helga that she could not change the mortal world and urged her to accept how it worked.
• Helga gave up trying to change the world, and the Mysterious Bird’s call accompanied the emergence of new creatures and a moon that brought light to the night.
• Jon saw the newborn moon take shape as light poured into it, then vanished from where he had been.
• Jon met Helga in the great hall, and she agreed to help him with the Basilisk.
• Jon asked Helga to cooperate in an experiment transferring the souls of Basilisk victims as a trial for a soul-transfer passage.

Jon arranged with Helga to create a passage for a few souls to enter the Azure Deep Sea, while Helga reflected on her loneliness and prepared to ignite her divine fire. After waking, Jon told Seshatri to prepare because the passage could be established at any moment.

• Jon warned Helga that other wizards and divine forces might discover the passage, but Helga agreed to create it using the World Tree roots within him.
• Helga told Jon she would temper herself to prepare for igniting the divine fire, then watched the moon alone.
• Jon woke after spending two hours outside his body and about six hours asleep, and Seshatri explained that she had listened to music on his phonograph.
• Jon recognized the Russian record as a collection Lenna had arranged for him and recalled her efforts to keep watch over Vitas.
• Jon told Seshatri that Helga could create the passage at any moment, so they began preparing to receive the souls.

Jon prepared for his departure from Hogwarts by arranging plans for the Hufflepuff Magic Research Society and his travels with Seshatri, while accounting for Harry’s coming Parseltongue revelation and the Basilisk’s threat. He then set out to see Dumbledore, leaving Seshatri behind to meditate.

• Jon and Seshatri agreed that Elder Hufflepuff could help build the passageway, so Jon planned to tell Professor Grindelwald there was no need to hurry back.
• Jon reflected on his busy life, then wrote plans for Stephen to manage the Hufflepuff Magic Research Society and for Anthony to support his and Seshatri’s travels.
• Jon prepared Stephen and the others for the fallout when Harry revealed his Parseltongue, mindful that the Basilisk would remain in the school while he might be away.
• Jon went to find Seshatri, saw that she was meditating, and left without her to visit Dumbledore.

Jon went to Hogwarts hoping to speak with Dumbledore, but learned that he had left the school. He wandered to the empty Headmaster’s office and began questioning the Sorting Hat.

• Jon found Peeves scribbling graffiti and learned that Dumbledore had left Hogwarts three days earlier.
• Jon wandered through the castle and remembered that he had promised Mr. Filch help with learning magic again.
• Jon entered the empty Headmaster’s office and examined its instruments, portraits, and Sorting Hat.
• Jon threatened to give the Sorting Hat a bath until it asked what he wanted, and Jon said he had come to ask about something.

Jon visited Dumbledore’s office seeking ancient healing potions and learned from the Sorting Hat that Dumbledore was away. After studying the ailing phoenix, Jon searched the headmasters’ portraits for someone who could help him find Hogwarts’ wartime potion reserves.

• Jon asked the Sorting Hat about potions that could quickly heal his injuries, and it advised him to consult the headmaster or Professors Snape and Sprout.
• The Sorting Hat told Jon that Dumbledore had left to find ingredients for his ailing phoenix and would not return soon.
• Jon examined the nearly featherless phoenix and considered its connection to ancient myths and rebirth.
• Jon remembered that he wanted to improve his healing options for himself and Seshatri, and considered using Hogwarts’ old wartime potion stores.
• Jon searched the headmasters’ portraits for someone reliable, noting that many early portraits had been lost during Hogwarts’ war with the Papacy.

Jon bargained with Headmaster Phineas Black for ancient restorative potion formulas in exchange for helping Sirius Black leave Azkaban. Phineas handed Jon the formulas through a magically prepared frame, and Jon left with the knowledge he had sought.

• Jon approached Phineas Black and offered to help Sirius Black leave Azkaban in exchange for the Black family's ancient restorative potion formulas.
• Dalys offered her help, but Jon clarified that he wanted fast-acting potion formulas rather than healing magic.
• Phineas accepted Jon's offer and used magic to transfer the formulas he knew into a frame.
• Jon was astonished when Phineas showed him how to assemble the frame containing the formulas.

Jon collected Phineas’s potion formulas and asked Snape to identify and translate them, then went to Filch to discuss making him a wizard. He explained how his beliefs differed from Dumbledore’s and Grindelwald’s, leaving his plan for Filch still to be revealed.

• Jon promised Phineas he would help Sirius leave Azkaban and took the potion formulas from the Headmaster’s Office.
• Jon found Snape and Lockhart arguing, then asked Snape to identify the ancient potions and translate their names.
• Jon visited Filch and said he had come to discuss making him a wizard.
• Jon reflected that Dumbledore refused to help people become wizards because he would not set a precedent, and contrasted Dumbledore’s conservatism with Grindelwald’s radicalism and his own broader ambitions.

Jon offered Filch a way to become a wizard through the Magic Net, despite the restriction that he would have to remain at Hogwarts. After Filch accepted, Jon planned to adjust the Magic Net before the approaching blizzard put it under further strain.

• Jon told Filch that the Magic Net could let him use magic, but warned that he might be unable to leave Hogwarts for years and would have to learn magic late in life.
• Filch immediately accepted, and Jon invited him to his cottage that night; Filch instead proposed meeting a week later.
• Jon agreed to help Filch before Christmas, then decided to return to his cottage and adjust the Magic Net.
• Jon planned to send Stephen a note inviting the others to an early Christmas barbecue at the cottage.
• As a blizzard approached, Jon recognized that the infant Magic Net on Black Lake needed adjustment and that only he could handle its complex operations.