Patricia Rakepick is a curse-breaker that returned to Hogwarts during the fourth year of the Main Character. She returned to open the Cursed Vaults and break the curse inside. When she entered the Great Hall, she somehow scared Ben Copper.
In the Cursed Vault, she betrayed Main Character by breaking their wand and casted Crucio on Merula Snyde.
In the Forbidden Forest, she accidentaly killed Rowan Khanna while trying to kill Ben Copper.