The Theme of Prejudice and Blood Purity
Harry Potter and the Chamber of SecretsThe novel explores the destructive nature of blood purity prejudice through the actions of the Malfoys and the Heir of Slytherin.
increasing
Bearing strength in each event
decreasing
The Mudblood Insult

A Slur That Stings
The Challenge
Draco Malfoy calls Hermione a "Mudblood" during a confrontation on the Quidditch field. Ron is furious and tries to curse him, but his wand backfires.
The Explanation
Ron explains that Mudblood is a derogatory term for Muggle-born wizards. It reflects the pure-blood belief that magical lineage is superior.
The Impact
Hermione is hurt, but she maintains her dignity. The incident highlights the casual cruelty of blood prejudice and sets up the attacks on Muggle-borns.
The Attacks as Ideological Violence

The Heir's War
The Targets
The basilisk attacks only Muggle-borns: Colin, Justin, Hermione, and Penelope. The message "Enemies of the Heir, beware" makes the motive clear.
The Fear
The pure-blood students are safe, creating a divide. Some Slytherins, like Draco, are openly pleased. The attacks are a physical manifestation of prejudice.
The Resistance
Harry, a half-blood, and Ron, a pure-blood, stand with Hermione. They reject the ideology and fight to protect the innocent. The novel condemns discrimination.
The Final Defeat of Prejudice

A Moral Victory
The Heir's Fall
Tom Riddle's plan to purge the school of Muggle-borns fails. The diary is destroyed, and the basilisk killed. The pure-blood supremacists lose their weapon.
The Reinstatement of Dumbledore
Dumbledore, a champion of equality, returns. He awards points to Harry and Ron, who are not pure-blood. The message is clear: worth is not determined by blood.
The New Normal
Lucius Malfoy is removed from the school board. The attacks end, and the school heals. The theme of prejudice is resolved with a reaffirmation of inclusivity.
during the Quidditch practice, early in the year
throughout the year
end of the year