Arc 4The Albanian Expedition
Gerald captured Nagini during a dangerous expedition in Albania, where Chris Horton died and Helena Perry escaped. Back at Hogwarts, Gerald studied new magic and confronted the disguised Ella Winslet, leaving her defeated and at his mercy.
- Gerald learned that Peter had betrayed James and Lily, and Dumbledore urged him to control his hatred while promising Peter would be punished.
- Gerald received money from Sirius Black, warned Harry about his godfather, and later joined Lupin on a journey to Albania in search of Paracelsus's laboratory.
- Gerald and Lupin found Helena Perry's gathering, where a runic tablet revealed the laboratory's location and led many wizards, including Chris Horton, toward it.
- Gerald and Lupin found Chris Horton dying from a curse, and Horton entrusted Lupin with his money before dying.
- Helena attacked Gerald and Lupin after Horton's burial, while Voldemort's soul fragment tried to possess Gerald and then fled from Nagini.
- Gerald subdued Nagini with his Beast-Taming Ring, returned to England with Lupin, and later found Paracelsus's research on a runic disc taken by Horton.
- Gerald practiced Parseltongue, left the Thunderbird Egg in Hagrid's care, studied Sectumsempra, and learned more about dark magic from Professor Flitwick.
- After defeating Graham Montague in an exam, Gerald confronted Ella Winslet in a secret passage and paralyzed her with lightning when she attacked him with the Cruciatus Curse.