Chapter Summaries

Kayson unlocked Tinkers' Construct after seeing the smeltery Cedric and the Weasley twins had built, then rebuilt it into a functional version. He began using molten gold to create molds while Cedric dismantled a mechanical frame, leaving the twins aghast at the wasted gold.

• Kayson followed Cedric and the Weasley twins upstairs and discovered their crude smeltery in an abandoned storage room.
• After touching the smeltery, Kayson unlocked Tinkers' Construct and decided to replace their furnace with an improved smeltery.
• Kayson melted cobblestone into seared stone, cleared away the old structure, and built a new smeltery with a controller, fuel tank, drain, and casting faucet.
• Kayson filled the smeltery with lava and gold ingots, then gave Cedric a wooden mechanical frame and ten arms to dismantle and label.
• Kayson sent the Weasley twins downstairs with lollipops to play Dungeons & Dragons while he prepared the mechanical parts.
• The twins returned and saw Kayson pour molten gold over the wooden pieces to make molds, and they mourned the gold he had used.

Kayson enlisted the Weasley twins and Cedric to help cast and sort Netherite parts while he built a skeleton frame. Sirius's Cooling Charm caused the overheated floor beneath the smelter to crack and collapse, leaving Kayson to repair the damage; Grindelwald then announced dinner was ready.

• Kayson asked the Weasley twins to destroy the custom molds after he finished using them, then had them cast Netherite parts while Cedric sorted the dried pieces.
• Lupin sensed trouble as the smelter heated the floor, but Sirius cast a Cooling Charm to lower the room's temperature.
• The sudden cooling cracked the overheated floor, and the smelter crashed through it, leaving a huge hole and dusting the first floor.
• Cedric explained that thermal expansion and contraction had shattered the floor beneath the smelter, while Kayson began repairing the damage.
• Sirius proposed using the smelter as a fireplace, and Grindelwald came from the kitchen to announce that dinner was ready.

Kayson was pulled away from researching his mechanical arm to attend a crowded dinner, where his question about wizards praising God silenced the table. The adults asked the young wizards about their plans for the future, and Neville asked Kayson about advanced alchemy.

• Grindelwald stopped Kayson’s work on mechanical-arm components and brought him to dinner.
• Kayson questioned why wizards praised God despite the persecution of wizards by his followers, and Snape silenced him with a pinch under the table.
• Harry said he hoped to become an Auror, while George and Fred chose to open a joke shop and Ron considered becoming a Quidditch player.
• Percy admitted that the Ministry of Magic was not a good place, and Cedric said he wanted to run an alchemy shop.
• McGonagall urged Neville to consider his advanced classes, and Kayson explained that advanced alchemy would demand a lot of time.

Kayson replaced all 206 of his original bones with Netherite ones, with Dumbledore performing the operation. After recovering, Kayson encountered Harry, who was uneasy about Grindelwald using Legilimency to train him.

• Snape briefly attended dinner at the Black family manor and left after less than an hour.
• Kayson finished adjusting the Netherite skeleton and mechanical arms, then asked Dumbledore to replace his bones.
• Dumbledore removed Kayson's original bones and moved the Netherite bones into his body.
• Kayson tested his new body and gave his removed bones to Dumbledore, who assembled them into a skeleton and sent it to Hogwarts.
• Kayson met Harry, who explained that Grindelwald's Legilimency training embarrassed him whenever he failed to resist.

After Christmas break, Kayson enjoyed drinks and snacks with Sirius, Lupin, and Hagrid before returning to Hogwarts aboard the uncomfortable Hogwarts Express. The next morning, he opened his Christmas gifts and saved the wrapping paper for reuse.

• Kayson joined Sirius, Lupin, and Hagrid for a drinking session at the Black family manor, where Sirius served them snacks he had cooked.
• Kayson, Lupin, Hagrid, and Sirius finished their holiday gathering, and the Christmas break ended.
• Kayson accompanied the Ministry officials escorting the Hogwarts Express and arrived at Hogwarts after a long, uncomfortable journey.
• Kayson reached the Great Hall late, and Dumbledore welcomed the returning students with a brief order to eat.
• The next morning, Kayson opened his gifts, was sprayed by a Slytherin brooch, and flattened the wrapping paper to reuse next Christmas.

Kayson taught Hogwarts’ advanced Alchemy class that graduating wizards needed ways to protect themselves if Voldemort returned to power, and began explaining a progression of magical crafting techniques. The Weasley twins realized that Kayson was teaching their classmates the same methods he had taught them, leaving them to wonder whether they had only been test subjects.

• Kayson considered how young wizards might survive after graduating from Hogwarts if Voldemort took power.
• Kayson told his advanced class that he would teach them a method to improve their combat ability and had Cedric distribute his papers on mystical crafting.
• Kayson dismissed the students’ chances of mastering mystical alchemy, while the Weasley twins privately celebrated their supposed inheritance of his teachings.
• Cedric became distracted by plans to study the smeltery and was struck on the forehead by Kayson’s chalk.
• Kayson began teaching a crafting progression from making a Crafting Table to upgrading a wand into a staff, and the Weasley twins realized it resembled what he had taught them before.

Kayson helped Cedric and the Weasley twins with their magical and mechanical projects after class, then followed the twins to their hidden alchemy workshop at Hogwarts. The group reached a secret attic chamber, where the twins planned to show Kayson their unstable enchanting table.

• Kayson stopped the Weasley twins from showing off their dangerous death Essences and scolded them.
• After class, Cedric asked Kayson to upgrade his mechanical arm, while the Weasley twins asked for help with their increasingly unstable enchanting.
• Kayson decided to inspect the twins’ enchanting table before tackling Cedric’s more difficult mechanical arm.
• The Weasley twins led Kayson and Cedric through a concealed passage on the sixth floor to an attic chamber they had discovered by accident.

Kayson showed the Weasley twins how to make magic candles from ordinary candles and encouraged Cedric to innovate by handing him the smeltery work. He then proposed turning his sturdy skeleton into a spell-dodging sparring partner for Dumbledore and brought out an Enchanted Bow.

• Kayson placed an ordinary candle on the infusion altar and used magic to turn it into a magic candle, then warned Cedric not to become rigidly conservative.
• Kayson built a Tinkers' Construct smeltery in his office and gave Cedric full control over the production work.
• Kayson headed to Dumbledore's office, where he found Dumbledore boxing with the skeleton Kayson had dismantled.
• Kayson suggested that the skeleton could train Dumbledore to dodge spells, and he pulled out an Enchanted Bow after Dumbledore doubted it could cast magic.

Kayson’s enchanted skeleton accidentally shot Dumbledore, who recovered in the Hospital Wing. Dumbledore then asked Kayson to guide the Slytherin students’ career planning, and Kayson agreed despite worrying that they feared him.

• Kayson gave the skeleton Life Essence and an enchanted bow, and the skeleton accidentally shot an arrow through Dumbledore.
• Kayson rushed Dumbledore to the Hospital Wing, where Madam Pomfrey healed his injuries.
• Dumbledore joked with Kayson and the skeleton after they left the Hospital Wing and returned to his office.
• Dumbledore asked Kayson to lead career guidance for Slytherin students because McGonagall and Snape would be away at a conference.
• Kayson agreed to guide the students, though he disliked relying on the fear they felt toward him.

Kayson struggled to provide career guidance despite having no experience with wizarding employment, then advised several students about their future plans. The chapter ended as a frail-looking Slytherin noticed Kayson's snake brooch and looked interested.

• Kayson asked the skeleton to return home with him, but Dumbledore said the skeleton preferred staying with him, so Kayson left alone.
• A week later, Kayson was left in charge of career guidance after Dumbledore, Professor McGonagall, and Snape departed.
• Hermione explained that she hoped to work for the Ministry of Magic, the Wizengamot, or the Daily Prophet, and Kayson encouraged her to pursue those goals despite the challenges facing Muggle-born witches.
• Kayson waved Harry through and quickly sent Ron on to the next student, then advised Neville to study hard if he wanted to stay near Hogwarts as a member of staff.
• After meeting several Gryffindors interested in adventurous or lucrative careers, Kayson received a frail-looking Slytherin student who showed interest in his brooch.

Kayson advised Bayers on pursuing a future working alongside the Prime Minister and gave him contacts after learning he wanted to leave the wizarding world. Draco then arrived for career guidance, and Kayson asked him about his dream.

• Kayson questioned Bayers about his plans and heard him criticize the wizarding world and describe his preference for a less resistant path to success.
• Bayers revealed that he had given Kayson the water-spraying brooch as part of a wager and presented him with a platinum-colored dagger as his intended gift.
• Kayson gave Bayers two business cards, marked useful subjects on his transcript, and told him to work hard if he wanted the job.
• Draco handed Kayson his transcript and asked about the brooch; Kayson explained that Bayers had given it to him and praised Draco's grades.
• Kayson asked Draco to tell him about his dream.

Kayson guided Draco through choosing courses before Hagrid asked him to discipline his giant brother, Grawp. Kayson beat Grawp until hearing “I am Kayson Heath” made him cower, then declared the discipline complete.

• Kayson told Draco to choose his courses according to his interests, and Draco left the office.
• Dumbledore told Hagrid he would let Grawp remain on Hogwarts grounds if a professor could discipline him and keep him in line.
• Hagrid asked Kayson to stop Grawp from smashing things, and Kayson warned that he would use pain and fear rather than reason.
• Kayson repeatedly struck Grawp, shouting “I am Kayson Heath” with each blow, and devastated part of the Forbidden Forest.
• Kayson had Hagrid repeat the phrase, causing Grawp to wail again, then took back his coat and announced that the discipline was complete.

As the OWL exams approached, Hogwarts professors criticized Snape for wasting class time insulting students. Kayson defended Snape by arguing that Potions mistakes were far more dangerous than failed alchemy, leaving McGonagall without an easy rebuttal.

• Grawp wandered around the Forbidden Forest near Hagrid's hut, and Kayson told students to use his name to distract the giant briefly if he approached.
• Hagrid chased off students who bullied Grawp, while the professors focused on helping students prepare for their OWL exams.
• McGonagall, Sprout, and another Head of House criticized Snape's habit of insulting students during lessons.
• Snape argued that teaching students with his magical skill would frustrate anyone, and Sprout suggested he learn from Kayson's considerate manner.
• McGonagall asked Kayson to judge Snape's treatment of students, and Kayson said failed alchemy was usually less dangerous than a botched potion.
• McGonagall struggled to respond after Kayson pointed out that Potions mistakes could poison or permanently injure students.

Snape unexpectedly agreed to speak less and write more on the board, prompting Kayson to check whether Dumbledore had given him a dangerous mission. In Dumbledore’s office, Kayson met the newly talkative skeleton, who named himself Steve and asked Kayson to make him a Netherite rapier and armor.

• Snape agreed to talk less and write more on the board for the month, then left the Professors' lounge.
• Kayson went to Dumbledore’s office and asked whether Dumbledore had sent Snape on a fatal mission; Dumbledore denied it and suggested Kayson mattered greatly to Snape.
• Kayson encountered a sharply dressed skeleton at the office door, who scolded him for his sloppy clothes and took the cookies he had picked up.
• The skeleton introduced himself as Steve and asked Kayson for a Netherite rapier, several sets of Netherite armor, and a scabbard.
• Kayson offered to introduce Steve to the professors and young wizards, and Steve agreed to meet the young wizards.

Kayson forged a heavily upgraded Netherite rapier as a gift for his new friend Steve, then asked Cedric to deliver it to the Headmaster’s Office. Cedric met Steve and left stunned by how unexpected he was.

• Kayson melted Netherite and built a Part Builder while Cedric worked on upgrading his mechanical arms and skeleton.
• Kayson crafted a Netherite rapier and used an Upgrade Station to add speed, fire, attack power, and durability recovery.
• Kayson asked Cedric to make a flashy scabbard, then enchanted the rapier to make it easier for Steve to wield.
• Kayson packed the rapier as a gift and told Cedric to deliver it to Steve in the Headmaster’s Office.
• Cedric delivered the gift to Steve and walked out stunned, agreeing that Steve was truly unexpected.

Steve wondered why Kayson had treated him so well, and Dumbledore suggested Steve helped fill an emptiness in Kayson's heart. After settling in at Hogwarts, Steve proposed starting a swordsmanship club to distinguish himself from Kayson.

• Dumbledore admired Steve's enchanted rapier and told him that his existence might bring more love into Kayson's life.
• The Hogwarts students got acquainted with Steve, while Fred and George suspected he was made from the skeletal data they had processed for Kayson.
• Hagrid confused Steve with Kayson while drinking, and Steve explained that he wanted to be treated as his own person.
• Steve suggested distinguishing himself from Kayson through swordsmanship and asked whether Hogwarts could add a swordsmanship class.
• After Hagrid said a new class would be difficult, Steve proposed a club and claimed swordsmanship was a skeleton's talent.

Steve established a Fencing Club at Hogwarts, and Neville discovered an unexpected talent for swordsmanship. Steve praised Neville’s skill and encouraged him to pursue it, giving Neville hope of becoming Kayson’s disciple in a field where he could excel.

• Steve asked Dumbledore to approve a Fencing Club, and Dumbledore signed off on the proposal.
• Kayson assigned Cedric to forge practice rapiers, but Steve insisted they should not mix iron and Netherite swords.
• Gryffindor students showed particular interest in the club, and Neville eagerly joined to get closer to Kayson.
• Neville performed a sword flourish smoothly while the other young wizards struggled with theirs.
• Steve praised Neville’s natural ability, and Neville promised not to disappoint him.

Kayson tried to bribe Ollivander into giving his alchemy students some leeway on their OWL exams, but Ollivander refused and challenged Kayson to trust their abilities. Kayson then hinted that a new alchemy system based on infusion was emerging, leaving Ollivander surprised.

• Kayson explained that Voldemort’s resurrection and Barty Crouch’s crackdown had left Hogwarts professors responsible for finding OWL examiners, so he recruited Ollivander for alchemy.
• Kayson offered Ollivander expensive gifts in hopes of securing lenient grading for his students, but Ollivander rejected the bribe.
• Ollivander questioned Kayson’s confidence in his students and compared his expectations to Snape’s high standards.
• Kayson insisted his students would earn at least Acceptable grades, while Ollivander said a stronger alchemy field would benefit everyone.
• Kayson described alchemical machinery as a future replacement for manual labor and revealed that the new system he had mentioned involved infusion, surprising Ollivander.

After the examinations, Ollivander learned that two of Kayson’s students had mastered enchanting platforms, while Harry continued his grueling Legilimency lessons and reported his dreams to veteran professors. Hogwarts began preparing students for advanced classes, with Herbology and Kayson’s alchemy available to those who struggled elsewhere.

• Ollivander reacted with disbelief when Kayson told him two students had mastered enchanting platforms, and Kayson asked him to grade them leniently.
• Ollivander gave the young wizards high marks in the alchemy examination despite his surprise at Kayson’s students.
• Harry endured exhausting Legilimency training with Grindelwald and learned to block Voldemort’s probing while glimpsing some of his thoughts.
• Harry recorded his dreams for Dumbledore, McGonagall, and other veteran professors to interpret, while Kayson was excluded after making an inappropriate interpretation.
• After the OWL examinations, students moved on to new classes and considered their advanced subjects, with Sprout’s Herbology and Kayson’s alchemy welcoming struggling students.

Kayson prepared to upgrade Cedric’s bones and install his student’s elaborate mechanical arms, while Cedric revealed extra neural ports he had secretly added to his body. After fitting the arms, Kayson connected two floating skulls containing enhancement beacons to Cedric’s neural links.

• Neville’s swordsmanship made him famous at Hogwarts, and he repeatedly defeated Draco in the Fencing Club.
• Kayson decided to coat Cedric’s bones rather than replace his skeleton, since Cedric could not withstand the dangerous procedure Kayson had endured.
• Cedric completed a bulky set of mechanical arms equipped with spells, weapons, and power tools.
• Cedric showed Kayson the neural ports he had secretly installed across his chest, shoulders, and back.
• Cedric stunned himself, and Kayson used his mechanical arms to install Cedric’s new limbs.
• Kayson connected two floating skulls containing enhancement beacons to Cedric’s neural links and told him to open his eyes.