Chapter Summaries

Li Weide met Senior Sister in a dream after she spent over a week searching for her missing name. She revealed a clue about the magic that erased it, then offered Li Weide a gift she had left at Hogwarts.

• Li Weide continued training his Ancient Magic and Nightmare Magic while he waited for Senior Sister to return.
• Senior Sister explained that her name had disappeared and recalled losing a portion of her consciousness while her Nightmare Magic wandered over London.
• Senior Sister warned Li Weide and Dumbledore not to investigate because the person responsible was terrifying, and Li Weide wondered whether she had seen something she was not meant to see.
• Senior Sister learned that Li Weide had awakened Ancient Magic and approved of his decision to study it with Dumbledore's guidance.
• Senior Sister offered Li Weide a gift she had left at Hogwarts during the height of her ambition.

Senior Sister explained to Li Weide that the dark mist he had mistaken for Ancient Magic was residue created when Ancient Magic extracted negative emotions, and described how Professor Morganach, Ranrok, and she had each sought to use it. She showed Li Weide a simulated image of pure Ancient Magic and said that Hogwarts held many hidden masses of it, leaving his post-enrollment story ready to begin.

• Senior Sister told Li Weide that Hogwarts held scattered masses of Ancient Magic, then showed him the black-and-red mist he feared absorbing.
• Senior Sister explained that the mist was residue formed when Ancient Magic extracted negative emotions and that it could strengthen both Ancient Magic and ordinary magic.
• Senior Sister recounted how Professor Morganach extracted negative emotions from Hogwarts students and stored the residue in Goblin-made vaults.
• Senior Sister said Ranrok found and absorbed the residue from nearly every vault, transformed into a fire dragon beneath Hogwarts, and was defeated by her.
• Senior Sister admitted that she absorbed the dispersed residue after defeating Ranrok and became more tempted by it than by Ancient Magic itself.
• Senior Sister showed Li Weide a simulated mass of pure Ancient Magic and said only people with the talent for it could find the many hidden masses around Hogwarts.

Li Weide learned that Senior Sister needed him to absorb her dangerous remnants to free her, then discovered she could make a single spell strike many targets. He eagerly asked her to teach him the technique, while an author’s note announced the book would go behind a paywall the next day.

• Senior Sister explained that her notebook listed places with suspected Ancient Magic power and that only Li Weide could absorb her remnants well enough to save her.
• Li Weide decided to study the remnants’ side effects and try to save Senior Sister, while continuing to improve his Ancient Magic.
• Li Weide asked how Senior Sister had fought large groups of enemies and described his difficulty facing twenty-five Followers of Grindelwald.
• Senior Sister demonstrated that her Killing Curse could split after hitting one target and strike more than twenty targets, then showed that a Stun Spell could do the same.
• Li Weide eagerly asked Senior Sister to teach him the multi-target spell technique.
• The author announced that the book had lost its second-round PK and would go behind a paywall the following day.

Li Weide learned to enhance spells with Ancient Magic from Senior Sister, then set off with Tom for Hogwarts. At King's Cross, he confronted the Black family after their daughter insulted Tom and claimed the boys were not pure-bloods, boasting that the Li family was ancient.

• Senior Sister taught Li Weide to use a trace of Ancient Magic to strengthen and reshape spells, and over half a month he improved his Nightmare Magic and Ancient Magic.
• On September 1, Li Weide and Tom prepared to leave for Hogwarts, while Toby stayed behind at the Hog's Head Inn.
• Li Weide and Tom traveled with Aberforth to King's Cross Station and found the concealed entrance to Platform Nine and Three-Quarters.
• A Black girl called Tom a Mudblood, and Aberforth argued with Mr. Black over her insult.
• Li Weide challenged the girl's assumptions about blood status and claimed that his family was an ancient Chinese pure-blood line, leaving Tom shocked.

Li Weide bluffed his way out of a confrontation with the Black family, then boarded the Hogwarts Express with Tom and Nagini. When Tom arranged for Abraxas Malfoy and several boys to attack Li Weide, Li Weide turned the attackers against one another and left Tom worried he would be blamed.

• Li Weide claimed to belong to an ancient Li family, and Pollux Black withdrew with Walburga and Alphard rather than risk a confrontation.
• After the Blacks left, Li Weide admitted to Tom that he had invented the family story, while Aberforth suspected some of it might be true and planned to tell his brother.
• Li Weide and Tom found a compartment on the Hogwarts Express, and Tom went looking for Pure-blood students to befriend.
• Tom persuaded Abraxas Malfoy and his companions to confront Li Weide, but the boys began fighting one another instead.
• Li Weide watched the brawl with Tom, and the attackers fled after seeing something that frightened them; Li Weide called them Tom's friends, prompting Tom to deny knowing them.

Li Weide joined Tom Riddle on the Hogwarts Express, where they met Annie Rosier and Alphard Black before arriving at Hogwarts for the Sorting Ceremony. Li Weide was sorted into Slytherin, but Tom’s sorting ended with the unexpected announcement of “Azkaban!”

• Li Weide noticed the system awarded him 200 Merit Points for inflicting mental damage on Tom Riddle.
• Annie Rosier joined Li Weide and Tom on the train, and Li Weide suspected she had been sent to investigate them because of her connection to Vinda Rosier.
• Li Weide, Tom, and Annie shared a boat to Hogwarts with Alphard Black, whom Li Weide greeted warmly.
• At the Sorting Ceremony, Li Weide used Occlumency to influence the Sorting Hat and chose Slytherin.
• The Sorting Hat began to sort Tom, but announced “Azkaban!” instead of Slytherin.

During the Sorting Ceremony, the Sorting Hat mistakenly announced Azkaban before placing Tom in Slytherin, and Tom suspected Li Weide had tampered with it as revenge. Li Weide reignited Tom’s competitive spirit, while Tom began to wonder whether Li Weide genuinely considered him a friend; Annie later joined them in Slytherin.

• The Sorting Hat announced Azkaban for Tom, then corrected itself and sorted him into Slytherin.
• Li Weide teased Tom about being the Prince of Azkaban and hinted that the humiliation was revenge for Tom’s train prank.
• Tom realized Li Weide might have used magic to manipulate the Sorting Hat and felt discouraged by the gap between their abilities.
• Li Weide encouraged Tom to keep striving, and Tom vowed to surprise him someday.
• After Alphard called Li Weide’s words encouragement, Tom reconsidered their past and wondered if Li Weide saw him as a friend.
• Annie was sorted into Slytherin, joined Tom and Li Weide, and learned that Tom had never spoken to her before.

Li Weide settled into Slytherin and learned that upgrading his system would require more Merit Points, then began exploring Hogwarts with Annie. Tom headed to the library alone, where Abraxas Malfoy and several Slytherins cornered him, and he prepared to face them without involving Li Weide.

• Li Weide and Tom entered the Slytherin common room, where Henry Avery called Tom the famous Prince of Azkaban and introduced himself as their roommate.
• Li Weide discovered that a system upgrade would cost 20,000 Merit Points, far more than the roughly 6,000 he had saved.
• Li Weide attended two introductory Transfiguration classes with Tom and learned that Professor McGonagall had assigned an essay instead of practical work.
• Li Weide declined to go to the library with Tom and set out to explore the castle with Annie, while Tom went to study.
• Abraxas Malfoy and seven or eight Slytherin students blocked Tom near the library, and Tom drew his wand and told them to face him alone.

Tom faced Abraxas and his allies, discovered how much stronger he was than he had expected, and fought off their attack until Li Weide arrived to shield him. The chapter left Tom protected by Li Weide’s Shield Charm as the fight continued.

• Abraxas attacked Tom with a series of jinxes, but Tom blocked them and realized Abraxas was weaker than he had expected.
• Tom disarmed Abraxas and used Levicorpus to hang him upside down, then refused to release him when the older students demanded it.
• When the group moved to attack, Tom used Super Lumos to blind them and took down several students before the remaining opponents recovered.
• An older student and a first-year coordinated their attacks, overwhelming Tom’s defenses and leaving him unable to block a Stun Spell.
• Li Weide arrived and cast a Shield Charm around Tom, praising his progress.

Tom and Li Weide dealt with Andre Shafiq’s group, and Li Weide used Nightmare Magic to make the attackers and Professor McGonagall believe he had defeated them. Li Weide tried to take the blame so he would get Forbidden Forest detention, but Tom protested, leaving his punishment for Professor Slughorn to decide as the group headed to his office.

• Li Weide appeared after Tom defeated several attackers, then used an illusion to make Andre Shafiq strike an unconscious student instead of him.
• Professor McGonagall arrived and sentenced the nine students she believed were involved to a month of detention and a total loss of 180 Slytherin points.
• Li Weide offered to take the blame for Tom, and Tom believed he was risking punishment to protect him.
• Li Weide altered the attackers’ accounts so they said he had defeated them, and Professor McGonagall initially excused Tom from punishment.
• Tom insisted that Li Weide should not be punished alone, so Professor McGonagall left Li Weide’s detention to Professor Slughorn while still deducting the points.

After Professor McGonagall brought the Slytherin students to Professor Slughorn, he scolded the bullies but privately rewarded Li Weide and Tom for fighting back. Li Weide persuaded Slughorn to let him visit the Forbidden Forest and left with guides to its ingredients and dangerous creatures, while Tom worried that Li Weide would risk his life—and their money—for profit.

• Professor Slughorn agreed with Professor McGonagall's punishment, reprimanded the Slytherin students, and dismissed them while asking Li Weide and Tom to stay.
• Professor Slughorn canceled Li Weide's detention and awarded Li Weide and Tom fifty House points each for bravely fighting back against their attackers.
• Li Weide insisted that his detention should stand, then admitted he wanted to explore the Forbidden Forest and offered to gather potion ingredients for Professor Slughorn.
• Professor Slughorn gave Li Weide permission to visit the Forbidden Forest without a deadline and lent him notebooks describing potion ingredients and dangerous creatures.
• Tom worried about the dangers in the Forbidden Forest, but Li Weide saw the creatures as sources of valuable materials and revealed that his spell research needed money.
• Tom accused Li Weide of spending money from their Gringotts vault, and Li Weide tried to dodge the question.

Li Weide memorized Hogwarts’s corridors while planning a nighttime trip to the Restricted Section for Senior Sister’s notebook. Annie’s remarks about Parseltongue stirred Tom’s interest in his ancestry, and Li Weide’s confrontation with Walburga ended with Annie intrigued by his supposed ancient Li Family.

• Li Weide finished Professor Slughorn’s notes, then explored Hogwarts and memorized its routes, paintings, and statues for a planned nighttime excursion.
• At dinner, Annie told Tom that Parseltongue was associated with Slytherin’s descendants, prompting Tom to search the library for historical books and information about the Slytherin Family’s inheritance.
• Li Weide planned to sneak into the Restricted Section that night to retrieve Senior Sister’s notebook before searching the Forbidden Forest for Ancient Magic hotspots.
• Outside the Slytherin Common Room, Li Weide criticized Walburga’s lack of elegance until she released Alphard and left in tears.
• Alphard praised Li Weide’s supposed ancient Pure-blood Family, and Annie became intrigued by the Li Family.

Li Weide and Tom sneaked out of their dormitory to search Hogwarts’s Restricted Section for clues about Tom’s family. They reached the library and found Peeves near the entrance.

• Annie reconsidered Li Weide’s pure-blood background after Alphard said Li Weide had told his friends about his family himself.
• Tom returned from the library disappointed that he had found no records linking Slytherin to the surname Riddle, and Li Weide suggested he investigate his mother’s surname, Gaunt.
• Li Weide prepared to leave the dormitory, but Tom deduced that he planned to visit the Restricted Section and insisted on joining him.
• Li Weide cast Disillusionment Charms on himself and Tom, then taught Tom spells for seeing in the dark and speaking privately.
• Li Weide and Tom carefully crossed the castle, evading staff and ghosts, and spotted Peeves by the library entrance.

Li Weide and Tom sneaked into the Restricted Section, where Li Weide discovered that the notebook he sought had recently been removed. Tom found evidence that his mother’s family descended from Slytherin and planned to seek out the Gaunts, though Li Weide warned him not to assume they were kind.

• Li Weide used an illusion of the Bloody Baron to drive Peeves away, then concealed the library entrance while he and Tom slipped inside.
• Li Weide gave Tom a glove that could detect books containing powerful Dark Arts and explained how to use it.
• Li Weide and Tom searched the Restricted Section separately while Li Weide used Nightmare Magic to pass a ghostly guard unnoticed.
• At bookshelf marker 3-5-5-1, Li Weide found an indentation showing that Senior Sister’s notebook had recently been taken.
• Tom told Li Weide that he had found the Gaunt name in a book and learned that his mother’s family descended from Slytherin.
• Tom asked Li Weide to accompany him to find the Gaunt Family during the holidays, and Li Weide cautioned him not to expect his mother’s relatives to be good people.

Li Weide and Tom investigated the stolen notebook and suspected that Gellert Grindelwald had learned of it through prophecy, while Li Weide planned to catch whoever took it. At Potions class, Slughorn rewarded both boys for identifying the potions, giving them twenty points each.

• Li Weide and Tom returned to their dormitory after searching the Restricted Section, and Nagini covered the sleeping Li Weide with a blanket.
• In a dream, Li Weide and Senior Sister reasoned that someone had taken her notebook after seeing its location in a prophecy, possibly by Gellert Grindelwald.
• Li Weide planned to watch the first locations listed in the notebook for whoever had stolen it.
• Tom refused to buy Li Weide’s overpriced Invigoration Draught, while Annie bought one on the way to class.
• Li Weide and Tom encountered wary Slytherins in Potions class, where Slughorn had them identify potions and awarded each of them twenty points for getting every answer right.

Professor Slughorn awarded Li Weide and Tom Felix Felicis for winning his Potions test, then paired them to brew Boil-Cure Potion. Li Weide arranged a splash to test Annie’s reflexes, and the chapter ended with him telling Tom that Annie was not Grindelwald in disguise.

• Li Weide and Tom won Slughorn’s test and accepted bottles of Felix Felicis, while Miss McLaggen received five points for answering a question about Boil-Cure Potion.
• Slughorn paired Li Weide and Tom to brew Boil-Cure Potion, and Li Weide secretly told Tom to add extra Porcupine Quill powder.
• Tom added the powder, causing the potion to splash toward Annie, who deflected it back into the cauldron with her wand.
• Li Weide blamed Tom for the mishap, and Slughorn explained that excess Porcupine Quill powder caused the violent reaction.
• After class, Tom asked whether Li Weide had learned anything about Annie, and Li Weide said she was not Grindelwald in disguise.

Li Weide and Tom faced hostility from their Slytherin classmates, while a few students stood by them. That night, Li Weide followed an invisible girl out of the Common Room with Nagini’s help.

• Li Weide and Tom debated whether Annie might be a disguised adult or a young follower of Grindelwald, then taunted McLaggen after she insulted them.
• During Herbology, Tom fell asleep and lost five house points, while Annie confirmed Professor Garrick had let him sleep.
• Li Weide warned Alphard and Henry that associating with him could isolate them, but they and Annie chose to sit with him anyway.
• Li Weide left the dormitory late at night with Nagini and saw a cloaked figure vanish after leaving the girls’ dormitory.
• Nagini sensed a human girl leaving the Common Room under an Invisibility Cloak, and Li Weide asked the snake to track her.

Li Weide followed Annie Rosier to several ruins in the Forbidden Forest, absorbed the Ancient Magic hidden there, and confirmed she had Senior Sister’s notebook. He captured Annie and entered her dream with Senior Sister to uncover why she had taken it, leaving them at the start of a memory involving Vinda Rosier and Gellert Grindelwald.

• Li Weide followed Annie through a hidden sewer passage into the Forbidden Forest and watched her search ruins with Senior Sister’s notebook.
• Li Weide found and absorbed Ancient Magic at three ruins, confirming that Annie carried Senior Sister’s notebook and appeared unaware of the magic.
• Li Weide used Nightmare Magic to capture Annie, took her to the Wizard Tower, and examined her notebook.
• Li Weide entered Annie’s dream with Senior Sister and chose to uncover her memories without letting Annie remember the dream.
• Li Weide used the keywords “notebook, Annie Rosier, Vinda Rosier, Gellert Grindelwald” to reveal a memory in which Annie approached a room and heard a familiar voice invite her inside.

Li Weide and Senior Sister witnessed a memory showing Grindelwald recruiting Annie Rosier and assigning her to spy on Li Weide and Tom Riddle and find a notebook. Li Weide and Tom decided to keep Annie unaware of their suspicions and investigate Grindelwald’s motives, while Tom angrily declared he would never help Li Weide again.

• Li Weide recognized the voice in Annie’s memory as Gellert Grindelwald, who welcomed her into his family and persuaded her to transfer from Beauxbatons to Hogwarts.
• Grindelwald gave Annie information about Li Weide and Tom Riddle, ordered her to befriend and observe them, and tasked her with finding a notebook and learning what it contained.
• Li Weide and Senior Sister concluded that Grindelwald was behind Annie’s actions, and Li Weide chose to pretend he knew nothing while allowing her to keep the notebook.
• Li Weide watched Annie’s memory of spying on him and Tom near the library, then observed her searching ruins for clues from the notebook without success.
• Back in the dormitory, Li Weide told Tom that Annie was a Grindelwald follower, and they agreed to keep her close and plan how to thwart Grindelwald.
• Tom protested that he and Grindelwald were not alike, and he angrily told Li Weide that this was the last time he would help him.

Grindelwald learned from Annie that she had befriended Li Weide and Tom, taken a mysterious notebook, and found only ancient ruins at several listed locations. At Hogwarts, Tom and Li Weide intervened when Charlie Prince challenged Slytherin’s pure-blood students, while Annie considered how to report their fighting ability to Grindelwald.

• Grindelwald read Annie’s reports through a blank book, learned that the notebook listed locations near Hogwarts, and ordered her to investigate the rest carefully.
• Annie reported that Li Weide seemed to come from an Eastern pure-blood family named Li and that she had seen him and Tom sneak into the library on the night she took the notebook.
• Annie met Li Weide and Tom in the Common Room, where Tom tried to sell her Li Weide’s Living Death Water and revealed that he shared in the potion profits.
• Abraxas Malfoy insulted Charlie Prince’s Muggle father, and Charlie answered by condemning pure-bloods, drawing an angry crowd of Slytherin students.
• Tom decided to help Charlie, and Li Weide followed after teasing Tom about calling him godfather; Annie wondered whether they had caused the earlier loss of 180 points.