Vol. 4Hydra and the Purifiers

Li Weide founded Hydra, freed Miravia, and built a flying refuge while pursuing Ancient Magic and confronting the Purifiers. After the raid on their stronghold, he suspected the attack had been arranged and began studying the enemies’ life-draining magic.

  • Li Weide rescued Slytherin, recruited Andrews and Iliana, and founded Hydra with Tom to challenge the Pure-blood Families.
  • Li Weide retrieved Ravenclaw’s Diadem, transformed Newt’s fire dragon into Alduin, and traveled with his companions toward North Sea ruins.
  • Li Weide built influence through the Malfoys and defeated masked attackers and a giant who assaulted the Hogwarts Express.
  • Li Weide agreed to seek Ancient Magic, then used the Great Hall award ceremony to make the school believe he was still present before turning translucent in Headmaster Dippet’s office.
  • Li Weide discovered that Tom’s feelings had turned Nightmare Magic into a curse that made people forget him, and he broke it by invoking their father-son bond.
  • Li Weide freed Senior Sister, who became Miravia, then questioned Grindelwald’s account of the Purifiers and whether their captured member had been deliberately sacrificed.
  • Li Weide investigated the weakened, memory-altered Purifier and built a cloaked flying home where Miravia and Nagini joined him.
  • Li Weide and his allies crushed a Purifier stronghold, but he suspected someone had arranged the attack and began studying the enemies’ life-draining magic.
Chapters 303–402 Read from ch. 303

Arc 13The Birth of Hydra

Li Weide rescued Slytherin, recruited allies, and began laying plans to challenge the Pure-blood Families through a new organization called Hydra. He pursued inventions and research, rescued and transformed a fire dragon named Alduin, then headed with his companions toward North Sea ruins.

  • Li Weide flew north to find Slytherin, hired Andrews after learning he had been framed by Yuriev, and rescued Slytherin from an ancient tomb.
  • Li Weide captured Aurors sent to kill Andrews and recruited Iliana, who revealed that her father had murdered her mother.
  • Slytherin met Tom and fought him, but Tom won by shooting Slytherin’s Obscurus coat, then began secretly training with him.
  • Li Weide explained his plans to challenge the Pure-blood Families, founded Hydra with Tom and Iliana, and argued that the Hogwarts Houses represented different parts of society.
  • Li Weide retrieved Ravenclaw’s Diadem, researched new devices, and created a sapphire pendant that converted and stored residue.
  • Li Weide helped Newt’s fire dragon assume the form of a Hungarian Horntail, named it Alduin, and took it with him.
  • Li Weide and his companions traveled to a North Sea reef, where Alduin grew to dragon size and Li Weide realized the Gubraithian Fire Energy Core could be useful again.
Chapters 303–327 Summaries Read

Arc 14The Train Attack

Li Weide built his influence through the Malfoys and his growing reputation, then fought off an assault on the Hogwarts Express. After Senior Sister and Dumbledore arranged his secret departure to gather Ancient Magic, Li Weide used the award ceremony to make the school believe he was still there.

  • Li Weide arranged funding from the Malfoys and other Pure-blood Families, then returned to Hogwarts with Tom and the Mutual Aid Society.
  • Masked wizards and a giant attacked the Hogwarts Express, and Li Weide defeated them while protecting the students.
  • The prisoners disappeared after an order sent them to the Ministry, while Dumbledore warned Li Weide that powerful people wanted his secrets.
  • Li Weide learned that Senior Sister needed more Ancient Magic and agreed to travel in search of it while Dumbledore helped conceal his absence.
  • Senior Sister explained her plan to transfer the Ancient Magic residue into Li Weide, and Dumbledore agreed to help him use Nightmare Magic on the school.
  • Li Weide received cheers from Slytherin students and accepted a Special Contribution Award at the Great Hall ceremony.
  • Li Weide told Headmaster Dippet he had already finished, then turned translucent before him.
Chapters 328–352 Summaries Read

Arc 15Miravia’s Return

Li Weide discovered that Tom’s intense feelings had twisted Nightmare Magic into a curse that made people forget him, then freed Senior Sister from her long confinement. After Miravia and Helga Hufflepuff reunited, Grindelwald revealed that Purifiers had resurfaced, and Li Weide questioned whether the evidence against them was genuine.

  • Tom’s memories of Li Weide vanished, and Li Weide learned that Nightmare Magic was making people forget him whenever they came near Tom.
  • Senior Sister explained that Tom’s feelings had amplified the magic, and Li Weide broke the curse by invoking their father-son bond.
  • Li Weide returned to Hogwarts, began organizing Hydra, and learned from Helora Paris that she had known Senior Sister and her old friends.
  • Li Weide awakened an intelligent Gubraithian Fire named Lucifer, then prepared to free Senior Sister despite the danger posed by the Residue within her.
  • Li Weide drew Residue from Senior Sister as the stone house dissolved, and she awoke in her Crystal Coffin before Ms. Paris helped her regain control of her body.
  • Slytherin recognized Ms. Paris as Helga Hufflepuff, and Senior Sister escaped before giving Li Weide a badge of command and accepting the name Miravia.
  • Dumbledore urged Li Weide to trust his friends, while Hufflepuff stayed with Miravia and Slytherin as Grindelwald arrived with news about the Purifiers.
  • Grindelwald said the Purifiers had regrouped as an anti-magic organization, but Li Weide questioned their story and suggested the captured Purifier might have been a deliberate sacrifice.
Chapters 353–377 Summaries Read

Arc 16The Moving Castle and Purifiers

Li Weide built a flying home, strengthened his allies, and drew Tom deeper into magic and combat as Grindelwald pursued the Purifiers. After the group crushed a Purifier stronghold, Li Weide suspected someone had arranged the attack, while the story left him studying the enemies’ life-draining power and preparing to review battle memories with Tom.

  • Li Weide visited Azkaban with Tom, Annie, and Andre, where he uncovered evidence that the captured Purifier had hidden memories removed and had been left physically and magically weakened.
  • Li Weide established a refuge for the Riddle Family, recruited House-elves, and began raising Basilisks in Ethiopia with Professor Slughorn and Slytherin.
  • Li Weide shared Pure Magic Power with Tom and trusted companions, while Ravenclaw’s Diadem awakened as an intelligent consciousness and offered help with his research.
  • Li Weide moved his miniature castle onto a hilltop, expanded it into a cloaked flying home, and welcomed Miravia and Nagini to live there.
  • Li Weide restored Miravia’s strength with Pure Magic Power and invited her to join his cause, while Tom refused to learn Li Weide’s lethal stone-shattering spell and studied Soul Magic instead.
  • Grindelwald located the Purifiers’ base and led a raid with Dumbledore, Li Weide, Tom, Miravia, and Nagini, where Tom entered the battle and Li Weide taught him to fight.
  • Li Weide, Dumbledore, and Grindelwald broke the Purifiers’ formation, then found that their enemies were pure-blood Englishmen whose strength had been temporarily boosted at the cost of their lives.
  • Li Weide suspected the attack had been arranged to make Grindelwald crush the Purifiers, returned to his castle to study their magic, and received combat memories from Tom while Miravia showed him her new appointment as Deputy Director.
Chapters 378–402 Summaries Read
Volume 4 of 6