Chapter Summaries

Severus and Gong Saiyi used historical clues and geometry to investigate a hidden plan in Paris, while Severus recognized that a mirror had warned him about something. Their search pointed toward Montsouris Park and a possible connection between François Jean Dominique Arago and Lucien Murat; Severus expected more help soon.

• Severus instructed Fiona to give Pomona a potion every six hours, then spoke with Gong Saiyi through a communication crystal.
• Gong Saiyi described how he and Gianluca used Paris landmarks, historical sites, and geometric calculations to identify Montsouris Park as a suspicious location.
• Gong Saiyi suggested that François Jean Dominique Arago and Lucien Murat might have designed the hidden plan, but admitted they lacked proof.
• Gong Saiyi told Severus that Gianluca had sent two agents to meet them at Lawrence Office, and Severus recognized them as former guides.
• Severus said help would arrive soon, hinting that the children would be on summer break.

Severus investigated the Montsouris Catacombs and the surrounding area while Monica and Alessandro pursued separate leads. He examined Paris Zero Point and prepared for the Bonaparte Foundation gathering, but his mirror still showed only white fog.

• Monica met a young explorer who knew the Montsouris Catacombs and agreed to explore them after dark, while Alessandro investigated Montsouris Park aboveground.
• Severus’s route through Paris led him from Père Lachaise Cemetery to the Paris Observatory, Place Monge, and the university city.
• Severus invited Filch and Madam Pince to Paris, where Filch agreed to help him with work during their stay.
• Severus visited Paris Zero Point near Notre-Dame Cathedral and considered the clues connecting Mr. Grey, Nicolas Flamel, and the temple.
• Severus fastened Thutmose’s Dagger and Kamos’s Golden Dagger to his belt, then checked the mirror and found only white fog.

After Louis-Napoleon’s failed uprising and escape from prison, Severus taught Monica methods for assessing intelligence while they waited for Alessandro at a football match. Their conversation turned to Monica’s doubts about Gianluca and her belief that Linda still loved Severus, leaving him quietly acknowledging the ghost who watched over Monica.

• Louis-Napoleon’s attempt to rally the garrison at Lille failed, and he was imprisoned for six years before escaping to Brussels disguised as a painter.
• Severus explained Red Hat analysis and the Devil’s Advocate method to Monica while they waited for Alessandro.
• Monica complained that Gianluca stayed in Italy instead of spending time with her in Paris, and Severus asked Gianluca to investigate where the stones from Notre-Dame’s former fountain had gone.
• Monica told Severus she believed Linda still loved him, and Severus thanked her.
• Severus pointed out the pearl-white ghost following Monica and said he believed it had always protected her.

Alessandro and Gianluca investigated the history of a demolished Paris fountain and the child disappearances of 1750, searching for clues connected to Severus’s case. After Cloris’s mirror revealed the Saint-Michel Fountain, Severus prepared to take Alessandro to a formal gathering at Versailles.

• Alessandro explored Montsouris Park, its reservoir, and the Capuchin Quarry while considering the origins of the stones used in a statue and fountain.
• Gianluca found no police record of a stolen Pensieve but discovered a record of a man arrested while disguised as a plaster statue.
• Gianluca searched historical documents about the 1750 child disappearances as the group speculated about whether a future revolutionary had been among the victims.
• Severus used Cloris’s mirror to reveal the Saint-Michel Fountain, which Monica recognized.
• Severus told Alessandro to bathe and change for a formal gathering at Versailles, and Monica offered to choose their outfits.

Severus warned Alessandro to protect Monica from danger and suspected that their Paris outing was leading toward a trap. He reflected that he and Alessandro had chosen separate paths, then quietly spoke with Haji as the group prepared for the banquet.

• Haji adapted to life in Paris and put on a driver's uniform because Alessandro could not drive.
• Severus covered the scar on his neck with makeup and helped Alessandro tie his bow tie.
• Severus warned Alessandro that Monica was too trusting and urged him to watch her, especially around Bruny.
• Alessandro mentioned a magazine's clues about the Sceaux Line and Sceaux Park, prompting Severus to explain that their paths had diverged.
• Severus told Alessandro that people should be treated differently, then whispered something to Haji.
• Monica arrived in a gray evening gown, and Alessandro praised her before she struck the same spot on his head that Severus had hit.

Severus investigated the connection between Sceaux Park, the Sceaux Line, and nearby water systems, suspecting that a plan involving the parks and a sculpture might be tied to royal power. He left to continue investigating after discussing the Potter and Gaunt families and a possible use for summoned Water of Immortality.

• The chapter described François Foveau's fatal wound at Waterloo and the restored breastplate Napoleon III displayed at the 1867 military review, which ended with an assassination attempt that Napoleon III and Alexander II survived.
• At Sceaux Park, Severus and Alessandro discussed its water sources, the history of Nicolas Fouquet, and the risks of exceeding one's station.
• Severus told Alessandro to investigate Mr. Grey's sculpture rather than move the sculpture from the Michelle Fountain, and Alessandro left.
• Severus contacted Gong Saiyi, who challenged Severus's talk of rank and said he had other business to handle.
• Severus questioned why the Potter family was not among the Sacred Twenty-Eight despite being pure-blooded and linked Sceaux Park's water supply to Montsouris Park and an aqueduct built by Caroline de Medici.
• Severus proposed draining the pools and filling them with summoned Water of Immortality, then Apparated away to continue investigating.

Severus and Monica attended a gathering of the Napoleon Foundation at Versailles, where the other guests questioned their presence and mocked Severus's formal clothes. The chapter ended with a woman recognizing Monica's fashion expertise and asking her to help.

• Severus and Monica arrived at the Versailles hotel to attend a gathering of the Napoleon Foundation.
• Severus used a Confundus Charm when the attendant asked them for invitations, and the attendant led them to a suite.
• Severus entered the suite and found middle-aged guests dressed casually, who questioned him and mocked his formal attire.
• Monica identified the woman’s dress as Dior and explained that she had altered a Givenchy dress of her own.
• The woman took Monica by the hand and asked her to help the guests.

Severus attended a gathering of Napoleon Foundation members at Versailles and investigated the theft of sacred vessels from the foundation chairman’s home. Alone in a room, he spoke to a silent presence about his hatred, grief, and determination to bring someone back before leaving to investigate the commotion outside.

• Severus questioned the foundation members with Veritaserum and learned about the stolen consecrated vessels and Napoleon’s gold seal.
• Severus assigned Alessandro and Haji to investigate, asked Madam Pince to search the National Library of France, and left Filch watching lawyer Lawrence’s home.
• Severus sat alone and addressed a silent figure, criticizing Muggles and the choices that had shaped his life and the Dark Lord’s.
• Severus said he had to bring her back and accused the dead emperor of refusing to accept that his empire was over.
• A commotion sounded outside, the presence disappeared, and Severus left the room.

Severus and his companions searched for the stolen seal while Alessandro, Haji, and Felix investigated the Saint-Michel Fountain. They found a hidden niche and recovered a golden Mass bell, but Alessandro worried that the discovery had gone too smoothly.

• Monica used Leonardo da Vinci’s upward-pointing finger motif to help Severus guide Alessandro toward the fountain’s hidden clue, and Severus told him to find Pierre Brongniart’s Invisibility Cloak.
• Alessandro and Haji decided to reach the fountain through a nearby building and found a concealed brick wall with help from Felix and Mrs Norris.
• Haji identified the four figures on the fountain as prudence, temperance, strength, and justice, and Felix tapped the corresponding bricks in order.
• Felix opened the revealed niche and found a golden Mass bell, while Alessandro called the discovery suspicious.

Alessandro, Felix, and Haji traveled to Place de la Concorde, the second location identified by the mirror, and searched its fountains for a statue that might point the way. The search left Alessandro confused and without a clue.

• Haji hotwired a motorcycle and drove Alessandro and Felix from Saint-Michel toward Place de la Concorde.
• The three crossed the Seine and reached the square, where Alessandro and the others began searching the fountains and nearby landmarks.
• Felix asked Alessandro what he saw as he examined the Fountain of the Seas, and Alessandro said he did not know.

Alessandro and his companions followed clues around Place de la Concorde to a small, inactive fountain in the park, which they believed was the place they had been seeking. They could not open it, and the chapter left them considering what to try next.

• Alessandro and Felix noticed that the city statues around Place de la Concorde held different objects, including Caduceuses and what looked like oars.
• Alessandro called Gianluca, who connected the fountains’ salt imagery to Brittany and its historic salt trade.
• Alessandro identified the northwest corner statues as Rouen and Brest, then followed a line parallel to the Champs-Élysées into the park.
• Mrs Norris cleared leaves from the opening of a small bronze fountain, while Felix examined it and Alessandro searched for clues.
• Alessandro contacted Monica for instructions, but she hung up before giving him an answer.
• Alessandro asked Felix where he could find Parseltongue, while Felix fed Mrs Norris dried fish.

Monica and Severus questioned Pierre about stolen artifacts and confirmed that the Mass bell was solid gold. Meanwhile, Alessandro experienced a vision of Hathor that led him to find a solid-gold censer boat, leaving the group with another recovered artifact and unanswered questions about what to do next.

• Pierre told Severus that Napoleon's belongings were gold or gilded, while objects connected to the Church were silver.
• Severus asked Monica to confirm the Mass bell's material, and Alessandro confirmed by phone that it was solid gold.
• After drinking pomegranate juice, Alessandro saw Hathor, who told him to offer perfume at the fountain to awaken its power.
• Alessandro struck the fountain with a sword, causing water to burst out and a wooden box to appear.
• Alessandro came out of the vision and found a solid-gold censer boat inside the box.

Alessandro and Felix followed clues from a golden incense boat toward hidden objects in Paris, while Severus and Monica questioned President Pierre about his private life. The search split between the Hôtel de la Marine and the Jeu de Paume Museum, and Pierre revealed his connection to Asmodeus.

• Alessandro showed Felix and Haji the golden incense boat and traced the next clue to Strasbourg.
• Alessandro noticed the Strasbourg statue faced the Hôtel de la Marine and sent Felix and Haji to the Jeu de Paume Museum while he went to investigate the Hôtel de la Marine with Mrs Norris.
• Haji gave Alessandro a walkie-talkie so they could stay in contact.
• Severus and Monica spoke with President Pierre about his former relationship and his choice to remain himself rather than change his appearance.
• Pierre corrected Severus by asking to be addressed as monsieur, and Severus recognized him as Asmodeus, the demon associated with guarding secrets.

Alessandro followed Hathor to a room in the Louvre, where she used a vision of Egyptian women and perfume to lull him unconscious before he could learn the location of the hidden object. Meanwhile, Severus sparred verbally with Pierre and Monsieur Asmodeus, while Voldemort remained in Limbo.

• Alessandro circled the French Admiralty and worried that entering it would get him arrested.
• Hathor revealed a secret passage beneath a city statue and led Alessandro to a Louvre room containing five enormous mirrors.
• Hathor conjured a vision of women preparing themselves and urged Alessandro to sleep, and he released Mrs Norris to seek help before collapsing.
• Pierre questioned Severus and Monica about Machiavelli, and Severus challenged Pierre’s assumptions about reliable men.
• Monica linked arms with Severus before Monsieur Asmodeus’s glare made her let go.
• Voldemort remained in the mist-shrouded train station in Limbo.

Alessandro learned that Hathor wanted him to place her statue in the Tuileries Palace to heal Napoleon’s wounds, but he refused to help manipulate Napoleon’s soul. He escaped Hathor’s collapsing illusion and returned to the Jeu de Paume Museum with Felix, where Haji urged them to flee.

• Hathor showed Alessandro how five statues in Place de la Concorde formed a pentagram and explained that Grindelwald had disrupted the city’s order.
• Hathor recounted how rumors about Napoleon’s wife had been used to unsettle him and asked Alessandro to place her statue in the Tuileries Palace.
• Hathor explained that vengeance over the deaths during construction of the Suez Canal had threatened Paris’s water supply and forced Egyptian artifacts out of the Tuileries Palace.
• Alessandro refused to help Hathor frame Napoleon’s soul, and a breach opened as her illusion began to collapse.
• Alessandro grabbed his backpack and the golden censer, escaped through the mirror, and landed in the Jeu de Paume Museum with Felix.
• Haji covered the strange Baroque mirror and hurried out of the museum carrying Felix and Mrs Norris.

Alessandro, Felix, and Haji escaped to the Louvre, where Alessandro decided to rest instead of pursuing the next location. Severus questioned Pierre about Napoleon and the planetary clues, then left the gathering and doused Monica with water while asking where his assistant had gone.

• Alessandro told Haji about Hathor’s story, and Haji warned him not to get involved in the dispute between her and Josephine.
• Alessandro used Haji’s burner phone to call Gianluca for a spare, while Felix offered to retrieve it and check on Leroy.
• Alessandro examined the golden ritual objects but put them away, saying he wanted to rest rather than ask his cousins for the next location.
• Pierre argued with Severus and Monica about patriotism, Napoleon, and the truth behind the history presented to the public.
• Pierre rejected Severus’s attempt at friendship and answered that Kronos and Zeus could not coexist peacefully.
• Severus left with Monica, poured water from the Anti-Theft Fountain over her, and asked Susan where his assistant had gone.

Severus confronted Hervé at Versailles while trying to find his assistant and investigate the unrest in France. Their standoff ended with Madam Pince contacting him and Severus suggesting that Napoleon’s preserved corpse might be connected to Polyjuice Potion, leaving Hervé shocked by his claim about her relative.

• Severus identified Susan as Hervé by her perfume and learned that his assistant was in the women's dressing room.
• Hervé challenged Severus, but his Confundus Charm struck an invisible shield and she answered with a spell.
• Severus warned Hervé that France could descend into riots and urged her to discuss the crisis at the Cunning Hare Tavern.
• Madam Pince contacted Severus, prompting Hervé to recognize him as Severus Snape, whom she believed dead.
• Severus explained his theory about Polyjuice Potion and Napoleon's preserved corpse, then asked Hervé whether her relative brought order or disrupted the world.

Severus searched a map of Paris for clues connected to the mystery and directed Gong Saiyi to investigate a fountain in Luxembourg Garden. He left the chapter preparing to search for the fountain himself while warning that de Andre might be controlled by the devil.

• Severus traced a circle on a map from Les Invalides and considered Swan Island and the Statue of Liberty as possible clues.
• Pomona brought Severus a newspaper about a magician who had made the Statue of Liberty disappear in 1983.
• Severus identified Luxembourg Palace as another point on the circle and told Monica to contact her brother, but she could not reach him.
• Severus recalled Madam Pince's clue about Louis XIV's globes and the Double Globe Room at the National Library of France.
• Severus contacted Gong Saiyi, told him to return to France, and directed him to find a fountain in Luxembourg Garden.
• Severus used a mirror that could find things and saw a new fountain appear.

Madam Pince searched the National Library of France for manuscripts while Gong Saiyi and Severus pursued clues in Paris, with the Malfoys watching Susanna Elvé. Severus flew toward Radio House as Alessandro finally returned Monica’s call to Gianluca, and the chapter ended with a comparison to Hermione’s unusually disciplined reading.

• Madam Pince bewitched a Muggle librarian and entered the Manuscripts Department’s Restricted Section, but found no catalog to guide her search.
• Gong Saiyi searched Luxembourg for clues after returning to Paris from Venice.
• Severus arranged for the Malfoys to watch Susanna Elvé while he went to Swan Island and questioned the Statue of Liberty.
• Severus noticed Radio House and flew toward it in black smoke to investigate.
• Alessandro, Haji, and Felix heard a radio dedication mentioning Mr. Smith and Place Saint-Sulpice, and Alessandro eventually called Gianluca after Monica’s unanswered calls.

Severus and Felix investigated the Rose Line at Saint-Sulpice Fountain and discussed Felix’s father, the Dark Mark, and their pasts. Severus sent Alessandro to protect Monica in Montsouris Park while he went to Luxembourg, leaving Felix with a Galleon for sending messages.

• Severus spoke Parseltongue to Saint-Sulpice Fountain, but nothing happened before Felix arrived with the recovered incense boat, thurible, and Mass bell.
• Felix told Severus that Alessandro refused to go to the Louvre Museum, and Severus said Alessandro could stop investigating and protect Monica in Montsouris Park.
• Severus showed Felix his Dark Mark and explained that he wanted its bearers, including his godson, to regain acceptance in the wizarding world.
• Severus and Felix discussed Felix’s father, childhood bullies, and Severus’s grudges against Black and Potter, as well as his decision to let people choose their own actions.
• Severus gave Felix a Galleon for sending messages, took the vessels in a Mokeskin pouch, and flew toward Luxembourg as black smoke; Felix transformed into an Obscurus and followed into the sky.