Ron's wand is damaged, and the car ejects them out before driving off. Both boys narrowly avoid expulsion when Professor McGonagall gives them detention. While serving detention with Lockhart, Harry hears strange voices and later finds caretaker Argus Filch's cat, Mrs. Norris, petrified, along with a message written in blood announcing the "Chamber of Secrets has been opened, Enemies of the Heir, beware". McGonagall explains that one of Hogwarts' founders, Salazar Slytherin, supposedly constructed a secret Chamber and placed inside it a monster that only his Heir can control, to purge the school of impure-blooded wizards and witches. More attacks occur over the course of the year. Harry and Ron suspect Malfoy is the Heir, so Hermione suggests they question him while disguised using polyjuice potion. Their makeshift laboratory leads to a disused bathroom haunted by a ghost, Moaning Myrtle. When Harry communicates with a snake (something Salazar Slytherin could do), the school suspects him as the
Ron's wand is damaged, and the car ejects them out before driving off. Both boys narrowly avoid expulsion when Professor McGonagall gives them detention. While serving detention with Lockhart, Harry hears strange voices and later finds caretaker Argus Filch's cat, Mrs. Norris, petrified, along with a message written in blood announcing the "Chamber of Secrets has been opened, Enemies of the Heir, beware". McGonagall explains that one of Hogwarts' founders, Salazar Slytherin, supposedly constructed a secret Chamber and placed inside it a monster that only his Heir can control, to purge the school of impure-blooded wizards and witches. More attacks occur over the course of the year. Harry and Ron suspect Malfoy is the Heir, so Hermione suggests they question him while disguised using polyjuice potion. Their makeshift laboratory leads to a disused bathroom haunted by a ghost, Moaning Myrtle. When Harry communicates with a snake (something Salazar Slytherin could do), the school suspects him as the