Chapter Summaries

Anton used the Goblin's Eye Secret Art to uncover the exact date of the memory Aberforth had kept hidden: August 20, 1899. The recovered memory showed Albus and Grindelwald preparing to leave with Ariana, while Aberforth confronted them over the danger they would put her in.

• Anton explained the layers of memory and used the Elder Wand to enter Aberforth's Source Memory.
• Grindelwald identified the date as August 20, 1899, and Aberforth relived the memory.
• Albus and Grindelwald planned to change the world and invited Ariana to leave home with them.
• Aberforth rushed in and insisted Ariana stay home, offering to leave school to care for her.
• Aberforth accused Albus and Grindelwald of endangering Ariana and condemned their plans, while Albus insisted he would take care of her.

Anton witnessed Ariana's death in a memory and realized she had controlled her Obscurus, prompting him to connect Obscuruses with Patronuses and other magic. He then examined the living stone called the Eternal One and traced its creation to an ancient guardian magic based on a fragment of its creator's will.

• Aberforth accused Albus and Grindelwald of causing the tragedy, and Grindelwald cast the Cruciatus Curse before the three young men began fighting.
• Ariana watched the fight, blamed herself, and unleashed her Obscurus before falling down the stairs as another spell struck her.
• Anton explained that Ariana's Obscurus had killed her, and Grindelwald and Aberforth left the silent cabin.
• Anton realized Ariana had controlled an Obscurus and wondered whether willpower could also explain the Patronus Charm.
• Anton examined the Eternal One and found that it had no soul, only memories drawn from his Memory Planets and surrounded by Human Transfiguration magic.
• Anton recalled Pedro's account of ancient magic that erased a Fantastic Beast's memories and grafted on a fragment of its creator's will to make a guardian double.

Anton explored how Will related to Memory and Emotion and explained his ideas about magical bloodlines to Lockhart. Lockhart brought Anton an invitation to the International Animagus Conference and questions from Master Babajide Akingbade, while mistaking Anton’s Deathly Hallows symbol for Grindelwald’s mark.

• Anton summoned a second Stone Guardian with the Elder Wand and sent both Guardians to wait by the door.
• Lockhart visited Anton as Editor Aibo and explained that he had sorted through Anton’s letters and wanted to use one of his answers in the newspaper.
• Lockhart relayed Master Babajide Akingbade’s invitation to the International Animagus Conference and his questions about Animagi and unlocking Squibs’ magical power.
• Anton said becoming an Animagus would not unlock a Squib’s power, but that unlocking the power directly would be easier for Squibs.
• Anton explained magical bloodlines to Lockhart and drew the Deathly Hallows symbol, which Lockhart mistook for Grindelwald’s Saints’ Mark.

Anton explained a Transfiguration spell that could make clothing into soulless living things immune to the Killing Curse, and Lockhart urged him to turn the discovery into an entertaining, widely understood work. The chapter ended with Anton considering the idea while Anna showed interest in the magic.

• Anton promised Lockhart another paper, and Lockhart advised him to make serious research entertaining to gain fame and influence.
• Anton told Lockhart that Transfiguration could make clothing immune to the Killing Curse, and Lockhart eagerly asked to learn the spell.
• Lockhart admitted he could not understand Anton's explanation and urged him to present the discovery in simple, engaging terms.
• Lockhart argued that Anton's discovery could change how wizards viewed the Unforgivable Curses and bring Anton resources and recognition.
• Anton asked whether Anna was interested in the magic, and she said every wizard wanted to defend against the Killing Curse.

After Hogwarts won the European inter-school Quidditch tournament, Anton explained the concept of will to a growing group of listeners in Cabin. Watching from Hogwarts Castle, Grindelwald saw Anton as a source of hope and considered subtly guiding events toward a gentler future.

• The Twins, Neville, and Hannah arrived at Cabin to invite everyone to a celebration, but Editor Aibo encouraged them to listen to Anton's explanation instead.
• Anton struggled to explain the Ego and will in simple terms, then found a way to use a real-life example; Lockhart began writing notes about the Obscurus and the Patronus Charm.
• Anton taught the children in Cabin while Grindelwald watched from the highest tower and wondered whether Lockhart or the Elder Wand had helped bring about this change.
• Grindelwald concluded that Voldemort's obsession with the Defense Against the Dark Arts position would trap him at Hogwarts and make him an easy target for Dumbledore.
• Grindelwald decided to stay behind the scenes and gently guide events toward change, then raised his glass to the future and to hope.

Anton taught the group a Transfiguration method that animated objects according to their natural characteristics, explaining that it could help defend against the Killing Curse. Lockhart proposed turning Anton’s notes into a storybook series, and Anton reluctantly agreed to work with him.

• Anton demonstrated his Transfiguration spell by animating a brass pen holder, then showed that the Killing Curse did not harm it because it had no soul.
• Anna, George, Fred, Neville, and Hannah examined the animated objects and discussed how Anton’s spell differed from the Animation Charm.
• Anton explained that enchanted Wizarding Robes should move according to their natural characteristics, while George and Fred joked about using the magic for pranks.
• The group began practicing the spell as Lockhart praised Anton’s notes and suggested publishing them as an entertaining storybook series.
• Lockhart proposed the title I Survived a Dark Wizard’s Killing Curse, and Anton suggested a more sensational alternative before agreeing to work with him.

As the visiting students left Hogwarts for the Easter holidays, Anton returned to his busy plans and received Snape’s warning to be careful of Dumbledore. Draco proposed using a cross-house exchange to recruit students into Slytherin’s alliance, but Anton urged him to think beyond excluding Gryffindor and went to sleep, leaving Draco to reconsider his strategy.

• Anna departed for Durmstrang, where she planned to win the dueling tournament for alchemical knowledge and scarce magical materials, while Beauxbatons students left by Abraxan-drawn carriage.
• Anton watched the Durmstrang ship rise from the Black Lake and realized its journey involved folded space or similar magic.
• Snape quietly warned Anton to be careful of Dumbledore before Anton headed back to the Cabin and planned his Easter work.
• Draco asked Anton to teach another lesson and proposed using an exchange between the two Dumbledore’s Armies to draw Ravenclaw and Hufflepuff students into Slytherin’s alliance.
• Anton praised Draco’s leadership but told him to think bigger by considering Gryffindor as a group worth winning over, then went to sleep.
• Draco wondered whether Gryffindor could become an ally instead of merely a target for recruitment.

Old Ronaldo taught Anton how wizarding politics revolved around the International Statute of Secrecy and the factions competing for influence. He warned Anton that his proposal to recognize “Muggle Squibs” placed him in a dangerous political struggle, though Anton found the prospect thrilling.

• Anton finished Lockhart’s assignment to turn his Transfiguration research into a story before Old Ronaldo returned to teach him.
• Old Ronaldo explained how the Statute of Secrecy shaped the Ministry, Hogwarts, Gringotts, and the historical conflicts involving Goblins and factory owners.
• Old Ronaldo described the rival Muggle-hardliner and Muggle-friendly factions, the roles of Grindelwald, Voldemort, and Dumbledore, and how Muggle-born wizards became a central battleground.
• Old Ronaldo warned Anton that his “Muggle Squib” proposal had put him amid a dangerous three-way political struggle, but Anton admitted he found it thrilling.
• Old Ronaldo told Anton that Fudge belonged to the centrists and that Scrimgeour was a hardliner within the Muggle-friendly faction, then explained the Department of Magical Law Enforcement head’s mostly powerless role.

Anton received intelligence from Rookwood about potion ingredients, a new French newspaper, and the ancient wizard Phoenix, then wondered whether his research ambitions hid a desire for recognition. Lockhart walked in just as Anton blamed him for the change in his resolve.

• Old Ronaldo explained the Ministry of Magic's factions to Anton, then postponed their Auror training until the following weekend.
• An owl delivered Anton a crystal ball from Rookwood, who reported that Lucius had funded a newspaper in France and that organizations were buying ingredients from Anton's book.
• Rookwood sent Anton the location of his safe house and records about Phoenix's experiments from the Department of Mysteries; the crystal ball then shattered into a magical notebook.
• Anton fed the owl, wrote back asking Rookwood to gather information and folk recipes, and watched it fly away with his letter.
• Anton questioned whether he wanted to publish books and gain recognition, then blamed Lockhart when Lockhart entered and heard him.

Lockhart proposed turning Anton’s childhood and experiences into an adventure book about defending against the Killing Curse. Anton revealed that the story’s danger and grief reflected real events from his past, and Lockhart left him to decide whether to write them honestly.

• Lockhart suggested inventing a childhood friend whose death inspired Anton to find a defense against the Killing Curse.
• Anton told Lockhart he had really survived dangerous borderlands and had been struck by the Cruciatus Curse.
• Anton revealed that a childhood friend had died beside him after a Dark Wizard cursed the corpse, and admitted he had been too afraid to help.
• Lockhart tried to abandon the idea because writing Anton’s memories seemed cruel, but Anton insisted they could tell the story as it happened.
• Anton described being pierced by a Fantastic Beasts’ bone spike and suffering from its toxin, leaving Lockhart distressed.
• Anton observed that Lockhart seemed to be experiencing Shared Pain.

Anton finished two books during the Easter holiday and considered which electives to take in Third Year. Dumbledore confronted Grindelwald over impersonating him and sending Anton to Azkaban, while Anton stood behind Grindelwald holding the Elder Wand as Grindelwald secretly signaled for help.

• Anton finished writing Anton's Adventures: Teach You to Defend Against the Killing Curse and The Wisdom of Dumbledore, and Lockhart said he had already begun promoting them through the school newspaper.
• Anton realized he had not done his homework and weighed his Third Year elective choices, deciding to ask Professor Snape and Lupin for advice.
• Aberforth brought Anton Albus's World of Transfiguration and warned him that its contents were a Dumbledore family secret until Albus made the book public.
• Dumbledore returned and promised Lockhart the positions of Deputy Headmaster and editor-in-chief of the school newspaper in his own name.
• Grindelwald arrived and offered to use his connections to publish Anton's books, but Dumbledore appeared with Aberforth and confronted him about impersonating him and sending Anton to Azkaban.
• Anton watched Dumbledore and Grindelwald face off while Grindelwald covertly waved for help, leaving Anton unsure whether he had to choose a side.

Anthony tried to ease the tension among Dumbledore, Grindelwald, and Aberforth by invoking Ariana, but Headmaster Lockhart seized the Elder Wand and returned it to Dumbledore before fleeing. The three old men and Anthony were left together in Cabin.

• Anthony considered the tangled history between Dumbledore, Grindelwald, and Aberforth as they confronted one another.
• Grindelwald beckoned Anthony to hand over the Elder Wand, but Anthony hesitated and chose not to take sides.
• Anthony set the Elder Wand on the table and appealed to the men by saying Ariana would not want them to keep fighting.
• Headmaster Lockhart snatched up the Elder Wand, shoved it into Dumbledore's hand, and ran out of Cabin.
• Dumbledore, Grindelwald, Aberforth, and Anthony remained in silence.

After Lockhart backed Dumbledore, Dumbledore imprisoned Grindelwald in Anton’s Cabin, leaving Anton caught between the two powerful wizards. Anton chose to avoid taking sides and focus on school, until he remembered his overdue homework and ran to find Hermione Granger.

• Lockhart’s support for Dumbledore shifted the balance of power and made Anton worry that a rift had opened between him and Dumbledore.
• Dumbledore used the Elder Wand to imprison Grindelwald in a new cell beneath Anton’s Cabin, then left to deal with the mess.
• Anton offered to let Grindelwald out, but Grindelwald refused and said he would stay in the Cabin while waiting for the future to unfold.
• Anton discovered that Lockhart had taken two books with him, then decided to keep out of the conflict and focus on studying.
• Anton remembered that school was about to resume and rushed to find Hermione Granger, hoping she had finished his homework.

Harry and Ron discussed Anthony's book and worried about Dudley becoming a Wizard, while Hermione argued that the book could help her Muggle parents gain magic. After Ron drove Hermione away, the boys realized she was also their best chance of finishing their homework.

• Hermione explained that Anthony's book described using Human Transfiguration to awaken a Wizard bloodline in a Muggle Squib, but she could not find a way to turn Dudley back into a Muggle.
• Harry imagined Dudley joining Hogwarts, and Ron suggested Harry could outrank him as a third-year, prompting Hermione to scold Ron.
• Hermione accused Ron of ignoring her perspective and stormed away with Anthony's book.
• Seamus told Ron and Harry that Anthony had not done his homework and was looking for Hermione.
• Ron realized he had driven away the only person they could copy their homework from.

Anton finished his homework and decided to avoid wizarding politics by magically weakening his ability to recall political memories. He then spent time with Fat Ball and his plants before heading into the Forbidden Forest to meet a Thestral.

• Anton completed his essays with magic, while Harry, Draco, and Ron argued over his work and asked about his spell.
• Anton decided he wanted to focus on magic rather than take sides in the conflicts involving Dumbledore, Grindelwald, Voldemort, and their followers.
• Anton used a spell to weaken his mind's ability to call up political memories, then felt lighter and more carefree.
• Anton visited Cabin, played with Fat Ball, and fed rabbit meat to Elephant-Eating Vine No. 3.
• Anton took Fat Ball toward the Thestrals' habitat in the Forbidden Forest to meet a new friend.

Snape taught the class how Bezoars were formed and used questions from Anthony Weasley's book to explain the theory behind Potions. Harry recognized that Anthony's book was quietly changing how people thought and how Snape taught.

• Snape quizzed Harry about treating a Billywig sting, then took five points from Gryffindor when Harry could not answer.
• Anton explained how to prepare Bezoar-soaked water, earning ten points for Slytherin.
• Snape asked who had read Anthony's book and used its ideas to teach how Potions ingredients and magic worked in the human body.
• Snape assigned an essay on his seventh question, while many students realized they had failed to take notes.
• Harry suggested he and Ron apologize to Hermione and told Ron he could copy his notes.
• Harry watched Anthony walk with Draco and reflected that Anthony's book was influencing Snape's teaching and quietly changing everything.

Hogwarts professors shifted their lessons toward Muggles, Werewolves, and Pure-bloods, while Dumbledore struggled with the political fallout from Grindelwald’s influence. At Hogwarts, Draco approached Anton about working with Gryffindor, but Neville challenged him after recognizing he mainly wanted to copy Hermione’s homework.

• Harry noticed that lessons across Hogwarts had begun focusing on Muggles, Werewolves, and Pure-bloods, while Hermione praised the impact of Anthony’s book.
• Dumbledore and Grindelwald discussed the consequences of teaching about Muggle Squibs and Muggle families with wizarding blood, and Dumbledore discovered a mountain of letters Grindelwald had left for him.
• Anton celebrated the new lessons because they filled gaps in his studies, while Ron and Draco struggled to read his homework.
• Draco told Anton he wanted Slytherin to be more accepting of Gryffindor, but Neville accused him of wanting to copy Hermione’s work.
• Neville confronted Draco with his wand and challenged him, while Anton refused to take sides and offered to help carry either of them to the Hospital Wing.

Anton and his friends visited the twins’ animal paddock, where George and Fred showed them a new Puffskein-rabbit crossbreed and its unusual magical droppings. Anton tasted one of the yellow pellets and found it chewy, leaving the group with a possible new Potion Ingredient to investigate.

• Draco left after Neville stood up to him, but Anton offered to help arrange a meeting to bring peace between their families.
• Neville asked Anton how he had handled the confrontation, and Anton encouraged him to trust his own judgment before sending him back to his homework.
• Anton, Neville, and Hannah went to the twins’ paddock, where George and Fred showed them Fluffy Rabbits, a crossbreed of Puffskeins and Muggle rabbits.
• Fred showed the group the creatures’ crystal-yellow droppings, and Anton recognized that the pellets held Magical Power and had an inert quality.
• Anton put a pellet in his mouth, chewed it, and told the horrified group that it tasted good and was quite chewy.

Anton ate a toxic substance made from a Fantastic Beast and Plant breeding experiment, causing his face and soul to change. Neville and Hannah flew to the Greenhouse to fetch a possible antidote, while Anton calmly waited for them to return.

• Anton ate the crystal-clear beads, and his face darkened as his soul became a fluffy clump.
• Anton explained that the substance came from their work to lower the cost and simplify the Human Deformation Removal Potion.
• Hannah said the Fluffy Rabbit dung had helped a strange mushroom grow, and Anton asked her to bring some as a possible antidote.
• Neville transformed Fat Ball into a pink-feathered Fire Dragon, then took Hannah to the Greenhouse to find the mushroom.
• Anton watched them disappear into the distance as George and Fred recalled how Neville had grown after falling out with Ron and Harry.

Anton discovered that the Fluffy Rabbits’ droppings and Green Hand Mushrooms could affect human Bloodlines and might help make a Potion for Muggle Squibs. He realized Editor Aibo and Angelina Johnson had subtly guided his friends’ plans, so he ordered the ingredients sealed away and intended to wait until someone came to bargain for them.

• Hannah showed Anton and the others a Green Hand Mushroom that could grab a Wand and cast a Lighting Charm, and Anton ate its hand to test its effects.
• The mushroom’s Curse made Anton hallucinate, but it also faded his Bloodline marks and released yellow mist that transformed the grass into arm-like shapes.
• Anton concluded that the Yellow Crystal and Green Hand Mushroom could affect human Bloodlines and might be used in a Potion for Muggle Squibs.
• Anton asked Neville, Hannah, George, and Fred whether they had independently made plans to study ingredients and raise Fantastic Beasts, and they revealed that Editor Aibo and Angelina Johnson had inspired them.
• Anton ordered the Fluffy Rabbits’ droppings sealed away so they could not grow more Green Hand Mushrooms, intending to wait for someone to seek a deal.