Chapter Summaries

Roy pretended to be unconscious after Pheobe collapsed, and Cedric helped carry him upstairs amid the confusion. Aisling confronted Roy in private, then emerged smiling after a loud fight, telling everyone to keep the music playing and dancing.

• Cedric and Gabrielle wept over Roy and Pheobe, while Roy secretly told Cedric to carry him upstairs.
• The Weasley siblings helped take Roy to a guest room, and servants carried Pheobe upstairs as Aisling comforted Gabrielle.
• Roy sat up unharmed in Aisling's room, and Cedric and the others questioned him about the commotion.
• Aisling stormed into the room, and the others left Roy alone with her.
• After several minutes of fighting and Roy's screams, Aisling emerged with her dress disheveled and told the gathered crowd to keep the music playing and dancing.

At Aisling’s banquet, Cedric watched Draco Malfoy insult the Weasley family and decided to use one of Roy’s alchemical toys on him. Cedric shook Malfoy’s hand with the concealed device, and Malfoy screamed in pain.

• Aisling returned to the banquet after healing the bruises from her fight with Roy, then escaped the idle chatter of the young ladies.
• Cedric watched Draco Malfoy boast among the pure-blood boys and insult the Weasley family near the dessert table.
• Cedric decided to act against Malfoy and secretly set one of Roy’s alchemical toys to maximum power.
• Cedric approached Malfoy and shook his hand, causing Malfoy to scream.

Mia took Harry and Ron to an ice cream shop, where she used her money and the Dumbledore Caller to reassure them. After Ron accidentally stained a girl's dress outside, Mia magically cleaned it before hurrying away with the boys.

• Mia paid for ice cream and showed Harry and Ron the Dumbledore Caller, easing their worries about being in a crowded place.
• Mia paid for three cones, and the server gave her free cones and vouchers after hearing about her terminal illness.
• Ron accidentally spilled ice cream on a brown-haired girl's dress while Harry stood by, and Mia offered to pay for the damage.
• Mia touched the stained dress and restored it to its clean state, then dragged Harry and Ron away.

Mia took Harry and Ron to Feldcroft to visit the Saru family house, which was hidden by a Fidelius Charm. She revealed the cottage to her friends and prepared to see what her parents had left behind.

• Mia pulled Harry and Ron away after using wandless magic on a girl, then led them through the Leaky Cauldron fireplace to Feldcroft.
• Harry and Ron arrived at a church and saw Hogwarts across the valley as Mia explained that they were heading to her family home.
• Mia led them to a patch of grass where the Saru family house was concealed, then removed its house number to reveal the cottage.
• Mia invited Harry and Ron inside to search for what her parents had left behind.

Pheobe Delacour woke after Roy Smee accidentally drained her magic, and he explained the malfunctioning device before winning her over with another prank. The chapter ended with Pheobe laughing with Roy while Aisling privately noted that Roy had infected another person with his mischief.

• Pheobe Delacour woke in Grindelwald Castle with a headache and remembered Roy Smee shocking her magic away.
• Roy startled Pheobe by appearing in the dark, and Aisling turned on the lights and sent Gabrielle away after discovering she had helped prank her sister.
• Roy returned Pheobe's wand and showed Aisling the Magic Conversion Core, explaining that Pheobe's Veela bloodline had caused it to mistake her magic for a source to drain.
• Roy apologized and shook Pheobe's hand to show the device had been removed, then startled her with a hidden electric shock toy.
• Pheobe realized Roy's final shock was a joke, accepted his gift, and laughed with him while Aisling thought he had infected another person.

Roy returned home from Grindelwald Castle after Aisling challenged him to a duel in the castle courtyard. The chapter ended with Roy and Aisling facing off over the Black Eagle Dagger, ready to continue their long-running rivalry.

• Roy came home in formal clothes from Aisling Grindelwald and Mia noticed faint scars on his arm before he changed.
• Roy recalled breakfast at Grindelwald Castle, where he spoke with Pheobe while Cedric and several others had already left.
• Aisling arranged for the Slytherins to practice dueling and challenged Roy, hoping to measure how much stronger he had become.
• Aisling held Roy's Black Eagle Dagger hostage and lit blue flames along its blade to make him fight for it.
• Roy drew his wand and a chainsaw from his suitcase, and he and Aisling prepared to duel.

Roy returned from his fight with Aisling and helped Mia open an ancient box found at the Sallow Family house. Inside, they discovered an enormous diamond Roy recognized as the Heart of Africa.

• Mia noticed Roy's Black Eagle Dagger and asked whether he had defeated Aisling, and Roy said he had won while hiding how badly the fight had scarred him.
• Roy found an ancient wooden box on the coffee table, and Mia explained that she, Harry, and Ron had discovered it at the Sallow Family house.
• Roy examined the box and explained that counterspell and contract lock spells had prevented Mia and the others from opening it.
• Roy picked the rusty lock and opened the box himself, revealing a huge diamond that he identified as the Heart of Africa.

Roy discovered that the Heart of Africa purified Dark Magic, but its effect caused Mia’s Obscurus to become violently painful. After stabilizing Mia and summoning Dumbledore, Roy showed him the gem.

• Roy examined the Heart of Africa and handed it to Mia, who was delighted with the Sallow family heirloom.
• The gem began purifying Mia’s Dark Magic, causing her Obscurus to lash out, so Roy took the gem and knocked her unconscious.
• Roy tested the gem on his own corrupted magic and found that it removed the black energy without harming him.
• Roy pressed the gem to Mia’s forehead, saw that its purification caused her severe pain, and knocked her unconscious again.
• Roy used Ancient Magic to stabilize Mia’s Obscurus, summoned Dumbledore with the pager, and showed him the Heart of Africa.

Dumbledore examined the magical diamond Mia found in her family home and explained how gemstones, especially diamonds, could store and enhance magic. He let Mia keep the family treasure, while Roy decided to investigate its origins and the mysterious Sebastian.

• Dumbledore tested the diamond and its battered wooden box after Roy explained that Mia had found them in her family's ancestral home.
• Dumbledore awakened Mia and asked whether Sebastian had told her anything about the diamond, but Mia said Sebastian had not known about the hidden safe.
• Dumbledore explained that gemstones were used in ancient Wild Magic rituals and that magical diamonds were rare, powerful, and sometimes linked to spells or immortality.
• Dumbledore compared the diamond to the Hope Diamond and the rough diamond Nicolas Flamel had used to make the Philosopher's Stone.
• Dumbledore agreed that Mia could keep the diamond, and Roy said he had an idea about how to investigate its origins.

Roy and Dumbledore discovered that the diamond could purify Mia’s Obscurus, but using it would also kill her, so Dumbledore planned to consult Newt Scamander. In Sebastian’s Memory Book, Mia confided her fears about her illness and her family’s abandonment.

• Roy suggested sending the battered box to Bill in Egypt, and Dumbledore agreed to ask him to examine it.
• Roy tested the diamond on Mia and showed that its magic clashed with her Obscurus; Dumbledore warned that removing the Obscurus would drain Mia’s life force.
• Dumbledore said Newt Scamander had once separated an Obscurus and offered to introduce Roy to him after making contact.
• Dumbledore told Roy to send the box to Bill and keep Mia away from the diamond, then left after praising Roy’s weapon.
• Mia entered Sebastian’s Memory Book and asked why her parents had abandoned her and whether she would die; Sebastian comforted her and said he was sure she would not die soon.

Dumbledore visited Roy’s renovated hilltop home, where Harry and Ron were staying with Mia, and gave Roy the location of Newt Scamander’s secluded residence. Roy planned to visit Newt with Mia and Aisling, despite Newt’s dislike of strangers.

• Dumbledore admired how Roy had transformed the hill with flowers, pebble paths, a swing, and fences, including flowers planted where Ariana had fallen.
• Dumbledore entered the house and greeted Harry and Ron while Mia told him Roy had gone shopping with Aisling and joked that they were planning a honeymoon trip.
• Roy and Aisling returned through the fireplace carrying their shopping, and Dumbledore handed Roy a note with Newt Scamander’s location.
• Dumbledore told Roy that Newt had agreed to a visit and instructed him to bring Mia, then left to find a Defense Against the Dark Arts professor.
• Roy asked Aisling if she wanted to meet Newt, the man who had captured her great-uncle, and she wondered whether Newt would welcome strangers.

Roy, Mia, and Aisling visited Newt Scamander so he could treat Mia’s Obscurus, but an enraged Erumpent charged at Mia and Roy and Aisling knocked it down with spells. As Newt and Roy inspected the beast, it suddenly got up and kicked Roy in the back.

• Tina welcomed Roy, Mia, and Aisling into the Scamanders’ home and led them to Newt in the woods.
• Roy told Tina they had come because Mia had an Obscurus, and Newt tried to guide his Erumpent, Lina, into his case.
• Lina spotted Mia, lost control, and charged at her despite Tina and Aisling’s Stunning Spells.
• Roy and Aisling struck Lina with Chidori and Crucio, bringing her down before she could hit Mia.
• Newt assured Roy that Lina was alive, then Lina sprang up and kicked Roy in the back.

Roy recovered from an Erumpent’s kick inside Newt’s case and reassured Newt that he understood why the magizoologist had hesitated to hurt the creature. Newt embraced Roy’s belief that a true magizoologist never damages an animal’s scales.

• Roy woke in Newt’s workshop inside the case and learned that the Erumpent had kicked him, leaving two broken ribs.
• Roy healed his ribs with magic, impressing Aisling and Newt with how quickly he recovered.
• Tina recognized Roy as the child from the newspapers and realized Aisling’s identity after Roy pointed her out.
• Newt tried to apologize for Roy’s injury, but Roy interrupted and said that a true magizoologist should never damage an animal’s scales.
• Newt repeated Roy’s words, agreed with him, and patted his shoulder with satisfaction.

Roy and his companions explored Newt’s enormous magical-creature case before Newt tested a way to separate Mia’s Obscurus. The test showed that Mia’s Obscurus was unusually powerful, and Newt concluded that treating it might require help from a Horned Serpent.

• Roy touched a young Occamy’s egg and was thrown away, then a Zouwu knocked him back to the group.
• Newt led Roy, Mia, and Aisling through his case, explaining the dangerous creatures living there.
• Newt used Roy’s diamond to draw some of Mia’s Obscurus out, but found the magic too powerful to remove safely.
• Newt revealed that a Horned Serpent gemstone had helped him separate the Obscurus and suggested they seek a Horned Serpent’s help.

Bill received a letter and an antique wooden box from Roy at the Gringotts Archaeology Office in Cairo, then asked Tiago Brando to examine it. Brando recognized the box, reacted with concealed excitement and disappointment, and left the bank thinking about Roy.

• A raven delivered Roy’s letter and a wooden box to Bill at the Gringotts Archaeology Office in Cairo.
• Bill examined the box after work and asked Tiago Brando to identify it.
• Brando showed a brief flash of shock and excitement when he saw the box, then asked whether there was only one.
• Bill told Brando that Roy Smith, a second-year Hogwarts student, had found the box in Britain.
• Brando left the bank in his limousine, muttered Roy’s name, and told the driver to go.

Tiago Brando remembered how he had pursued the Stone Mask’s power as the vampire Dio, until two British wizards stole its final gemstone and sealed him against evil. He was left in Egypt with an incomplete mask, a painful chest seal, and bitter resentment toward the British.

• Tiago noticed the chain-shaped seal over his heart and recalled that it punished him when he committed evil.
• Tiago teased a young maid after she ran into him outside the bathroom.
• Tiago retrieved the Stone Mask from his safe and lamented the empty gemstone socket.
• Tiago recalled that, as Dio, he had studied the mask and learned its creator intended its three gemstones to overcome vampires’ weaknesses.
• Tiago remembered acquiring an emerald and a red beryl, which let him cast spells and gave him some resistance to sunlight.
• Tiago recalled that two British wizards took the Great Mogul Diamond fragment and sealed him, then cursed the British in anger.

Dio was defeated by two young wizards in Cairo, forced to surrender, and made their experimental subject. Three days later, they began teaching him to be a good person at his mansion, using a magical seal to make him obey.

• Dio watched as the wizards killed his underlings and shattered his limbs, leaving him unable to fight or escape.
• Dio knelt and begged the wizards to spare him, while secretly planning to drain them after collecting three gems.
• One wizard cast a spell into Dio's chest and declared that Dio would serve as a guinea pig until they were sure he had turned over a new leaf.
• Three days later, the wizards began the Good Person Course at Dio's mansion by having him return a wallet dropped by an actor controlled by Imperio.
• When Dio resisted, one wizard used the seal on his body to tickle him until he agreed to return the wallet.

Roy demonstrated that Ancient Magic could destroy and purify Obscurus fragments, while Newt explained that treating Mia would require repeatedly extracting, purifying, and returning the magic. The group needed a Horned Serpent or its gem to perform the treatment, and Mia suggested Harry Potter might help because he could talk to snakes.

• Roy shattered an extracted Obscurus with Ancient Magic and refined its fragments into white magic crystals.
• Newt recounted how a Horned Serpent had once extracted an Obscurus from a dying girl, though she died soon afterward.
• Newt explained his dialysis-like plan to treat Mia and said they needed a complete Horned Serpent gem or a cooperative Horned Serpent.
• Roy asked Aisling whether she could speak Parseltongue, and she rejected the suggestion.
• Mia said she knew someone who could talk to snakes: Harry Potter.

Roy discussed finding Horned Serpent gems without harming the protected creatures, and Newt agreed to ask Jacob and Queenie to search the American black market. In Cairo, Tiago considered how to buy back the diamond from Roy without violating the seal that prevented him from doing evil.

• Mia told Roy and Aisling that Harry had spoken Parseltongue to a snake at the zoo, and Roy considered bringing Harry to America.
• Newt warned Roy that forcibly taking gems from Horned Serpents was illegal, while Tina suggested asking Jacob and Queenie to search the black market.
• Roy accepted Newt's help in finding ready-made Horned Serpent gems, and Newt reassured him that the favor was no trouble.
• Tiago resolved to recover the diamond from Roy but recognized that his seal prevented him from using force, deception, or theft.
• Tiago considered offering Roy a fortune for the diamond and studied a Daily Prophet report about Roy's arrest and imprisonment.

Roy told Mia that the Thorn family’s enormous estate and fortune had been left to him, but the American wizarding authorities had denied his visa and were resisting his claim. He kept the manor’s Key and wondered whether Elias Thorn had truly died from the spell that struck him.

• Roy and Mia lounged at home watching television, and Mia asked why Roy had not gone to America for a vacation.
• Roy explained that America had denied his visa and showed Mia the golden Key to the Thorn family’s ancestral manor in Palm Beach.
• Roy said Elias Thorn’s will left him the family’s estate and wealth, but the American wizarding authorities would not let him claim them easily.
• Roy reassured Mia that the Key could keep the manor and vault inaccessible and said the British Ministry of Magic was helping appeal his claim.
• Roy privately recalled the spell that struck Elias and wondered whether Elias was truly dead.