Lucius Malfoy actually begins casting the Unforgivable "Avada Kedavra" killing curse at Harry before Dobby intervenes.
Film/Series: Harry Potter and the Chamber of Secrets
Category: Trivia Fact
Timestamp: 02:22:15
When Harry tricks Lucius into freeing Dobby, the furious wizard raises his wand and clearly starts incanting "Avada-". Jason Isaacs later revealed he just read the first spell he could remember from the books because the script didn't specify one. This accidentally implies that Lucius was fully prepared to murder a 12-year-old child right outside Dumbledore's office.
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