Vol. 4The World Cup and Helga’s Legacy

Su Er rescued Hermione from a time labyrinth, joined Harry and the Weasleys on the journey to the Quidditch World Cup, and prepared for Voldemort’s return as the Triwizard Tournament began. After passing Helga Hufflepuff’s trial and gaining new magical abilities, he returned to Hogwarts just as the tournament was about to start.

  • Su Er entered the time labyrinth and rescued Hermione, then grew closer to her as they finished the school year and Gryffindor won the Quidditch final.
  • Su Er warned Dumbledore about Trelawney’s prophecy, and Dumbledore showed him the prophecy identifying a child who could defeat Voldemort.
  • Su Er learned that Harry was the child named in the prophecy, visited the Scamanders with Hermione and Hagrid, and urged Harry to tell Dumbledore about his vision of Voldemort killing Frank.
  • Su Er joined the Weasleys at the Burrow, where the group prepared to travel to the Quidditch World Cup.
  • Su Er attended the Quidditch World Cup, defended his friends from masked attackers, and shared the gold Lucius Malfoy gave him with Harry, Ron, Hermione, and Ginny.
  • At Hogwarts, Su Er declined to enter the Triwizard Tournament, and Dumbledore explained Voldemort’s Horcruxes before destroying Hufflepuff’s Cup.
  • Su Er learned that Harry was a Horcrux, watched Fake Moody’s lessons, and passed Helga Hufflepuff’s trial, waking weeks later with stronger magical abilities.
  • Su Er reunited with Hermione and returned to Hogwarts as Beauxbatons and Durmstrang arrived and Dumbledore opened the Triwizard Tournament.
Chapters 301–400 Read from Ch. 301

Arc 13Hermione’s Lost Time

Su Er rescued Hermione from a time capsule that had caused people to forget her, then the two grew closer as Hogwarts moved through Animagus training, exams, and the Quidditch final. After Harry relayed Trelawney’s latest prophecy, Su Er warned Dumbledore and watched a memory of the prophecy that had foretold a child capable of defeating Voldemort.

  • Su Er discovered that memories of Hermione were disappearing, and Dumbledore concluded she was trapped in a time labyrinth that Su Er could enter with a Time-Turner.
  • Su Er traveled back three days, tracked Hermione’s repeated Time-Turner use, and followed her beyond the device’s usual limits into a time capsule in the Library.
  • Su Er broke the book linking their separate spaces, rescued the unconscious Hermione, and returned to his own time with her and the Time-Turner safe.
  • Hermione told Su Er that McGonagall had taken her Time-Turner, kissed him, and later completed her Animagus transformation as a black cat.
  • Su Er studied Helga Hufflepuff’s theories about Patronuses and the dead while Hermione and he resumed their usual closeness, and Gryffindor defeated Slytherin to win the Quidditch final.
  • During exams, Sirius gave Su Er a separate, demanding Defence Against the Dark Arts test, which Su Er passed by dodging, countering, and disarming him.
  • After Harry repeated Trelawney’s prophecy that Voldemort would rise again with a servant’s help, Su Er warned Dumbledore, who showed him a memory of Trelawney prophesying that a child born at July’s end could defeat the Dark Lord.
Chapters 301–32525 summaries Read

Arc 14The World Cup Journey

Su Er learned that Harry was the Champion in Trelawney’s prophecy, visited the Scamanders with Hermione and Hagrid, and helped Harry report a disturbing vision to Dumbledore. The group gathered at the Burrow and set out with the Weasleys for the Quidditch World Cup.

  • Dumbledore explained that Voldemort had made Harry the Champion by choosing to attack the Potters, and confirmed that Voldemort would return with his followers.
  • Sirius told Harry he was leaving Hogwarts to deliver news about a major event, gave him World Cup tickets, and departed with Lupin, and Su Er later revealed the Triwizard Tournament to Hermione and kissed her.
  • After Lupin’s werewolf secret spread through Hogwarts, Su Er and Hermione visited the Scamanders with Hagrid, where Newt showed them Selina’s dragon hatchlings and a Demiguise secretly gave Su Er a third badger ornament.
  • Voldemort killed Frank at the Riddle House and enlisted Barty’s help, and Harry then told Su Er about his vision of the murder and his aching scar, and Su Er urged him to tell Dumbledore.
  • Su Er and Hermione joined the Weasleys at the Burrow, where Harry arrived with Arthur and told Su Er that Dumbledore had removed memories from his temple.
  • Percy complained about Bagman’s handling of Bertha Jorkins’s disappearance and hinted at a major Ministry event, while Hermione guessed it was the Triwizard Tournament.
  • The Weasleys prepared for the World Cup final, and Su Er, Hermione, Harry, and the family set out before dawn to meet the Portkey at Stoatshead Hill.
Chapters 326–35025 summaries Read

Arc 15The World Cup and the Triwizard Tournament

Su Er attended the Quidditch World Cup, helped stop a Death Eater attack, and returned to Hogwarts as the Triwizard Tournament was announced. The arc ended with Dumbledore revealing Voldemort’s Horcruxes and destroying Hufflepuff’s Cup.

  • Su Er traveled with the Weasleys to the Quidditch World Cup, met Ludo Bagman, and warned Fred and George not to trust him with their bet.
  • Su Er watched Ireland beat Bulgaria, then offered to invest in Fred and George’s joke business.
  • Masked wizards attacked the campsite, and Su Er defended his friends, subdued a Death Eater, and challenged Ter after Ter attacked Hermione.
  • The Ministry investigated the incident, and Barty Crouch resigned as the Daily Prophet reported that the Dark Mark had been a prank.
  • Lucius Malfoy thanked Su Er for saving Draco, and Su Er shared the gold he received with Harry, Ron, Hermione, and Ginny.
  • At Hogwarts, Dumbledore introduced Alastor Moody and announced the Triwizard Tournament, with an age limit of thirteen.
  • Su Er told Hermione he would not enter the Tournament, then met Dumbledore, who explained Voldemort’s Horcruxes and showed him Hufflepuff’s Cup.
  • Dumbledore pierced Hufflepuff’s Cup with the Sword of Gryffindor, releasing a shrieking cloud of black mist.
Chapters 351–37525 summaries Read

Arc 16Helga’s Chosen Successor

Su Er learned of Harry’s connection to Voldemort, watched Fake Moody’s lessons, and passed Helga Hufflepuff’s trial, emerging with enhanced magical abilities and a long absence behind him. He reunited with Hermione as Beauxbatons and Durmstrang arrived at Hogwarts, where the Triwizard Tournament was about to begin.

  • Dumbledore told Su Er that Harry was a Horcrux and showed him memories of Voldemort killing the Potters and the soul fragment entering Harry.
  • Su Er used Harry’s Marauder’s Map to confirm that Alastor Moody and Barty Crouch were both in Moody’s office, then agreed to watch Fake Moody and help Harry learn about Occlumency.
  • Fake Moody taught the students about the Unforgivable Curses, while Su Er recorded his demonstrations and later joined Hermione’s efforts to secure rights for house-elves.
  • Su Er visited the centaurs and passed through a hidden entrance to meet Helga Hufflepuff, who recognized him as an outsider she had foreseen a thousand years earlier.
  • Helga gave Su Er glowing seeds and left him asleep in a sealed place, and he woke weeks later with improved magical control and the ability to perform wandless, nonverbal magic.
  • Su Er reunited with Hermione, explained his disappearance, and returned to Hogwarts, where Kleis declared him Helga’s chosen successor.
  • Su Er arranged to help Aberforth attempt to summon Ariana with the Patronus Charm and made Kleis watch for anyone entering the Triwizard Cup.
  • Beauxbatons and Durmstrang arrived at Hogwarts, and Dumbledore announced the tournament’s start as Fleur Delacour and tournament officials joined the feast.
Chapters 376–40025 summaries Read
Volume 4 of 7