Chapter Summaries

Grindelwald recognized that Li Weide was using the Mutual Aid Society to build influence while Dumbledore underestimated him. At Hogwarts, Li Weide used the society to confront bullies and weaken Pureblood Supremacy before handing its management to Tom, but angry pure-blood parents began writing to the Headmaster.

• Grindelwald told Vita to have Annie watch Li Weide and leave the notebook’s location alone for now.
• Li Weide organized the Mutual Aid Society’s members into study partnerships, and Slughorn’s rewards helped the group become popular.
• After the society became profitable, Li Weide asked Yak to name the students who had bullied him and promised to seek justice for members who had suffered mistreatment.
• Li Weide led dozens of society members to confront former bullies, who apologized and had to earn forgiveness before joining the society.
• With Slughorn’s support, Li Weide’s efforts weakened Pureblood Supremacy at Hogwarts, and he handed the society’s management to Tom.
• Angry pure-blood parents sent countless owls to the Headmaster’s Office.

Li Weide and Tom discussed the Mutual Aid Society’s progress and grew concerned that Abraxas’s family was pressuring him to leave. After Abraxas accepted Li Weide’s help as a friend and called him Leader, Li Weide promised that his father would send a supportive letter the next day.

• At Malfoy Manor, Abraxas’s father raged over his son’s surrender to the Mutual Aid Society, while Mrs. Malfoy defended him.
• Headmaster Dippet burned letters from Pure-blood families, dismissed their complaints about the Mutual Aid Society, and made Dumbledore responsible for Hogwarts’s external affairs.
• During Potions class, Tom told Li Weide that Abraxas had become withdrawn, and Li Weide suspected his parents were pressuring him.
• Professor Slughorn gave Li Weide a Gringotts vault key for the profits from their beauty potion.
• Li Weide met Abraxas at the society activity room, urged him to trust his friends, and Abraxas asked for his help as a member and friend.
• Li Weide told Abraxas that his father would send a letter supporting him the next day.

Li Weide decided to bring the Malfoy family into the Mutual Aid Society and used Nightmare Magic to confront them in a shared dream. He left the terrified couple with three minutes to make an Unbreakable Vow supporting the society and abandoning Pureblood Supremacy.

• Tom warned Li Weide that promising to change the Malfoy family's minds could ruin his reputation, but Li Weide remained confident.
• Li Weide gave Toby enchanted Galleons for contacting each other and entrusted him with the key to his Gringotts vault.
• In the dream world, Li Weide asked Senior Sister to send his consciousness into the Malfoys' dreams so he could influence their beliefs.
• Senior Sister linked Mr. and Mrs. Malfoy's dreams, where Li Weide frightened them with a nightmare and demanded that they stop planning against him.
• Li Weide started a three-minute timer and ordered the Malfoys to make an Unbreakable Vow supporting the Mutual Aid Society, and they began to swear.

Li Weide secretly visited the Malfoys in a shared nightmare, secured their vow of secrecy and support for Abraxas, then returned to Hogwarts without telling Tom. When Abraxas received his father’s supportive letter, Tom realized Li Weide had kept his promise, but Li Weide left hurt by Tom’s distrust.

• Li Weide witnessed the Malfoys’ Unbreakable Vow, removed the nightmare’s lingering effects, and collected residue for research before returning to Hogwarts.
• The Malfoys woke with matching vow marks and agreed to support Abraxas and stop opposing Li Weide.
• Tom, who had watched Li Weide all night, accused him of neglecting his promise to Abraxas and sat apart from him at breakfast.
• Abraxas received an encouraging letter from his father, thanked Li Weide, and explained that the letter reversed his father’s earlier condemnation of the club.
• Tom read the letter and asked how Li Weide had managed it, but Li Weide only said that he kept his promises and walked away, saddened by Tom’s distrust.

Li Weide absorbed Ancient Magic in the Forbidden Forest, where two Followers of Grindelwald ambushed him; he subdued them and took them to his laboratory as test subjects. In the dreamscape, Senior Sister reinforced his Nightmare Magic and offered to teach him additional restraints to keep the prisoners contained.

• Li Weide absorbed Ancient Magic at a hotspot in the Forbidden Forest and worried that he might not find enough to save Senior Sister.
• Two Followers of Grindelwald attacked Li Weide, but he outmaneuvered them, read their minds, and captured them without killing them.
• Li Weide returned to Hogwarts at four in the morning and entered the dreamscape, while Tom resolved to speak with him the next day.
• Senior Sister learned that Grindelwald's Followers were searching the forest and suggested using Fiendfyre to destroy bodies and evidence.
• Li Weide explained that he planned to study the prisoners and investigate magical power and the effects of the residues.
• Senior Sister agreed to reinforce Li Weide's Nightmare Magic and offered to teach him magical restraints for the prisoners in his family's Wizard Tower.

Li Weide kept his secret plans from Tom and the others while studying the effects of Senior Sister’s leaking remnants on captured followers of Grindelwald. Grindelwald ordered a closer watch on Li Weide and continued searches in the Forbidden Forest, while Li Weide discovered that the remnants’ negative emotions could enhance a wizard’s magic.

• Li Weide learned that Senior Sister’s cloak was failing and that she had about two years left, then said he had plans for the remnants leaking from it.
• Li Weide told Tom he was working alone on important matters, left Nagini in Tom’s care, and urged Tom to grow stronger and manage the club.
• Annie realized Li Weide had withdrawn from everyone and reported his secretive behavior to Grindelwald, who ordered her to watch Li Weide closely.
• Grindelwald discussed two missing followers in the Forbidden Forest with Vita and ordered the search teams to stay together and keep searching with the notebook’s locations.
• Li Weide experimented on the captured followers and concluded that the remnants’ negative emotions stimulated magic and could strengthen spells.

Li Weide experimented with ways to contain the negative effects of remnants, hoping to save Senior Sister without being corrupted himself. At dinner, he secretly told Annie that he had found Isidora Morganach’s manuscripts and leads to a hidden source of magical power, leaving her eager to see the pages.

• Li Weide extracted remnants from two test subjects and concluded that their negative emotions influenced hosts, while Senior Sister’s cloak had contained much of their effects.
• Li Weide tried to wrap remnants in a film of Ancient Magic, but the film ruptured and became contaminated.
• Li Weide returned to Hogwarts for dinner, where Tom silently trusted his reasons and distracted Annie from questioning him.
• Li Weide told Annie that Isidora Morganach’s manuscripts described hidden magical power and that he had found leads to it.
• Annie urgently asked to see the manuscripts, and Li Weide told her they would talk after dinner.

Li Weide told Annie and Tom that he had found locations connected to Professor Morgana’s power and arranged for them to investigate one during detention in the Forbidden Forest. He privately revealed to Tom that the power had dissipated with Ranrok’s death and explained that he planned to use a fabricated version as bait against Nurmengard.

• Li Weide gave Annie and Tom manuscripts about locations where Professor Morgana’s magical power might have existed, and Annie recognized the locations from her stolen notebook.
• Li Weide arranged for Annie to join him and Tom on a nighttime Forbidden Forest detention to investigate a nearby location.
• After Annie left, Li Weide opened a passage from the Room of Requirement to a secret passage and told Tom that the magical power was gone.
• Li Weide showed Tom burned diary fragments indicating that Ranrok had absorbed the power and that it dissipated when he died.
• Tom recovered from his disappointment and realized Li Weide had told Annie about the locations to draw Nurmengard into a trap.
• Li Weide explained that he had made a fake potion mist to convince Annie she had gained strength and could use it as bait against Nurmengard.

Li Weide, Tom, and Annie entered the Forbidden Forest under the pretext of serving detention and headed toward the ruins. Annie’s familiarity with the route revealed that she had visited the forest before, while Tom learned that Li Weide’s fake potion mist was meant to fool Rosier.

• Li Weide persuaded Professor Slughorn to arrange detention for Annie and met her with Tom at the castle entrance that evening.
• Tom flattered Mr. Ogg until the gamekeeper agreed to let the three young wizards enter the Forbidden Forest without an older student accompanying them.
• Li Weide and Tom pretended to study a map until Annie took it and confidently led them off the path toward the ruins.
• Tom noticed Annie knew the route well, and Li Weide explained that Grindelwald’s followers had long searched the Forbidden Forest for the magic they sought.
• Tom asked whether Li Weide’s fake potion mist could fool Rosier, then overheard Li Weide say he knew what it felt like to suddenly become stronger.
• Li Weide reminded Tom to turn off Voice Chat before insulting him next time.

Li Weide, Tom, and Annie investigated ruins in the Forbidden Forest, where Li Weide suspected the buildings were connected to Ancient Magic. Their search uncovered a magic-resistant stone slab concealing a small silver ball.

• Tom complained to Li Weide through the Whispering Charm, then panicked when Li Weide threatened to beat him.
• Annie led Li Weide and Tom to ruins that she had already searched many times.
• Li Weide noticed traces of Ancient Magic in the ruined buildings and theorized that Ancient Magic had once been used to construct them.
• Tom used the Revealing Charm and found a stone slab that did not match the ruins and resisted magic.
• Li Weide broke the slab with a transformed branch, revealing a small silver ball inside.

Li Weide led Tom and Annie to a Goblin Metal sphere and revealed a cloud of magical power that Annie absorbed, strengthening her abilities. On the way back, Li Weide urged secrecy, and Annie began considering hiding the discovery from Nurmengard while Li Weide and Tom recognized the effect of his manipulation.

• Li Weide identified the silver sphere as Goblin Metal, and Annie realized its magic-blocking properties could explain why the goblins had not detected the power.
• Li Weide used a magically controlled vine to press the sphere’s button, releasing a cloud of black-and-red magical residue.
• Li Weide offered the power to Annie, who absorbed it and discovered that she could cast a powerful Explosion Charm and perform finer Transfiguration.
• Li Weide secretly retrieved the Goblin Metal sphere as the group left, while Annie remained excited by her newfound strength.
• Li Weide advised Annie to keep the discovery secret until they found more, prompting her to consider withholding it from Nurmengard; Tom realized Li Weide was steering her toward betrayal.

After returning from the Forbidden Forest, Li Weide and Tom discussed Annie’s secret passage and their plans to draw Grindelwald’s followers into a trap. Li Weide revealed that Tom had been intended as bait, leaving Tom protesting as the chapter ended.

• Mr. Ogg escorted Li Weide, Tom, and Annie back to the castle after accepting Li Weide’s excuse that they had stopped to watch Mooncalves dance.
• Annie concealed her secret passage and planned to collect magical power alone, while Li Weide noticed her lie and later discussed it with Tom.
• Li Weide explained that the supposed magical power was a real but risky counterfeit and planned to use Annie to pass information to Grindelwald.
• Li Weide told Tom that their target was Grindelwald’s followers, and he outlined plans to incapacitate them with sleeping-potion Dungbombs.
• Li Weide revealed that he had planned to use Tom as bait, and Tom angrily objected.

Li Weide forced Tom to train his Shield Charm against Annie, whose power had surged after absorbing magical residue. After Tom mastered the charm, Li Weide tested Annie himself, revealing both her increased strength and the residue’s dangerous effect on her emotions.

• Li Weide pushed Tom to face Annie’s full-force attacks so he could improve his Shield Charm.
• Tom cast a complete Shield Charm for the first time, then repeated it successfully when Li Weide challenged him to reinforce his progress.
• Li Weide took Tom’s place and blocked Annie’s powerful spell without effort, then countered her attacks with matching nonverbal spells.
• Annie grew frustrated and unleashed increasingly dangerous spells, while Li Weide noticed her eyes flash red.
• Li Weide said he would not last ten seconds against Dumbledore, leaving Tom and Annie determined to become stronger.

Li Weide tried to restore a collapsed secret passage but stopped when his Repairing Charm caused an earthquake that alerted Hogwarts. He then developed a proximity-triggered Sleeping Potion Dungbomb, while Grindelwald ordered Vita to intensify the search for magical power and grew suspicious that Li Weide was behind an impending danger.

• Li Weide left duelling practice to investigate and asked his House-elf Toby to buy ingredients for making Dungbombs.
• Annie argued that Li Weide treated Tom as a friend, leaving Tom conflicted about his resentment and gratitude toward him.
• Li Weide used Ancient Magic to strengthen his Repairing Charm in the collapsed passage, but stopped when it caused a tremor that drew Dumbledore and Headmaster Dippet to investigate.
• Grindelwald told Vita to speed up the exploration and bring in Goblin Craftsmen, suspecting that his ominous premonition was connected to Li Weide.
• Li Weide tested his proximity-triggered Sleeping Potion Dungbomb on a Kneazle, which collapsed unconscious after the trap released its mist.

Li Weide experimented with different forms of emotional residue, finding a powerful version with milder side effects, then returned the Kneazle’s happiness and discovered it wanted to follow him. He disguised the Kneazle as a British Shorthair, named it Tom, and the real Tom sneezed at Hogwarts.

• Li Weide compared Annie’s increased magical power with his research and tested residue made from happy emotions, finding that it gave only a limited boost.
• Li Weide separated mixed emotional residue into joy, anger, and sorrow, then adjusted their proportions to create a powerful form with milder side effects.
• Li Weide returned the extracted happiness to the Kneazle, which woke and affectionately chose to follow him.
• Li Weide took the Kneazle to the Forbidden Forest, agreed to bring it home, and transformed it into a British Shorthair Blue and White.
• Li Weide named the Kneazle Tom, while Tom at Hogwarts sneezed and wondered why he felt someone was calling his name.

Li Weide brought home a Kneazle and named it Tom, irritating Tom Riddle, while he and Senior Sister planned to use a Goblin Craftsman to create an alchemical tool for treating her residue. After realizing Senior Sister could lead the research, Li Weide began studying and used Toby to scout the Chamber of Secrets, entering the elf’s dream to learn its layout.

• Li Weide introduced the Kneazle he found by the Black Lake to his dormmates and named it Tom, leaving Tom Riddle frustrated that no one defended him.
• In a dream, Li Weide told Senior Sister about his residue research, and she offered to handle experiments and make use of an arriving Goblin Craftsman.
• Li Weide accepted Senior Sister’s help, reconsidered his abilities, and began studying magical knowledge during the night.
• Li Weide asked Toby to scout the Chamber of Secrets, and Toby memorized its terrain before Li Weide put him to sleep.
• Li Weide entered Toby’s dream with Nightmare Magic.

Li Weide and Senior Sister captured a Goblin Craftsman from a heavily guarded camp, with Senior Sister using Nightmare Magic to put the guards to sleep. Back at the Wizard Tower, Senior Sister recognized the stolen Goblin Ring blueprint and prepared to enter the craftsman’s dream to learn how to improve it.

• Li Weide used Toby’s memories to recreate the Chamber of Secrets in a dream, then had Toby install sensor traps and collect the Goblin Metal.
• Senior Sister told Li Weide to bring his cat when he went to capture the Goblin Craftsman, and she possessed Tom Cat to guide him through the Forbidden Forest.
• Senior Sister used Nightmare Magic to put the Goblins and Followers of Grindelwald in the camp to sleep, allowing Li Weide to Apparate away with the Goblin Craftsman, a blueprint, and a ring.
• Senior Sister recognized the ring as a Goblin Ring that could control Magical Creatures and vowed to turn the goblins’ enslaving rings against them.
• Senior Sister entered the Goblin Craftsman’s dream to take his knowledge, while Li Weide wondered whether the old goblin had offended her before.

Li Weide prepared to draw Grindelwald’s followers into a trap while Annie received orders to return to Nurmengard for Christmas. As Senior Sister finished placing the planned remnants in the Forbidden Forest, she revealed progress on an item that could compress magical residue.

• Li Weide and Tom discussed how Annie’s growing strength and her return home would expose her progress to Grindelwald, while Li Weide’s planted fake goods and incomplete manuscripts were meant to lead Grindelwald’s people toward a trap.
• Annie told Li Weide and Tom that she planned to stay at Hogwarts, but a message from Nurmengard ordered her to return for Christmas and warned her about a strange presence in the Forbidden Forest.
• Annie reported that Li Weide planned another Forbidden Forest expedition, prompting Nurmengard to halt its operations for the night and warn her about a missing goblin craftsman and a camp whose members had all fallen asleep.
• Li Weide told Tom he would accompany him to visit his mother’s family over the holidays, then reassured him that he would keep him safe.
• Senior Sister, possessing Tom Cat, told Li Weide that she had placed the requested remnants in the Forbidden Forest using a controlled goblin, and said a goblin craftsman had made progress on an item that could compress residue.

Grindelwald used Annie’s discovery of Goblin Metal spheres to recover a small amount of magical power and resolved to recruit Li Weide and Tom. Before Christmas break, Tom told Dumbledore he planned to visit the Gaunt family, and Dumbledore warned him about the danger and offered to accompany him.

• Grindelwald sent his Followers to search the Forbidden Forest, recovered three Goblin Metal spheres containing magical power, and absorbed one portion.
• Grindelwald learned from Annie’s notes that Professor Morgana’s manuscripts might lead to the remaining power and decided to bring Li Weide and Tom into his camp.
• Dumbledore told Li Weide and Tom they could stay in a house left to him by an old friend during Christmas break.
• Tom explained that he wanted to find his family through his mother’s Gaunt surname, and Dumbledore identified the Gaunts as descendants of Slytherin.
• Dumbledore warned Tom that the Gaunt family might be dangerous and unwelcoming, but Tom still chose to visit them, so Dumbledore offered to go with him.

Li Weide and Tom moved into a Fidelius-protected house at 81 Godric's Hollow, where Dumbledore left Fawkes to protect them. Tom asked Dumbledore to accompany them to the Gaunt family home in Little Hangleton, and, impressed by Li Weide’s kindness, wondered if he should imitate him to win Dumbledore’s favor.

• On the way back, Tom questioned Li Weide about telling Dumbledore of their plans, while Li Weide insisted he had no ulterior motive.
• Dumbledore gave Li Weide and Tom the secret address, and they traveled by Floo Powder to 81 Godric's Hollow, where Toby welcomed them.
• Fawkes arrived at the house, and Dumbledore left the phoenix there to protect Li Weide and Tom from danger.
• Li Weide and Tom chose rooms, and Dumbledore arranged supplies while Toby offered to shop independently.
• Tom agreed to visit the Gaunt family home in Little Hangleton that day, and Dumbledore said they could use the Floo Network to travel there.
• After Dumbledore praised Li Weide for treating Toby kindly, Tom wondered whether he should simply imitate Li Weide.