↑ Harry Potter: Hogwarts Mystery, Year 6, Chapter 37 (Entering the Black Lake!) - Defence Against the Dark Arts Lesson "Stretching Jinx" ↑ Harry Potter and the Deathly Hallows, Chapter 20 (Xenophilius Lovegood) ↑ Harry Potter and the Deathly Hallows, Chapter 22 (The Deathly Hallows) ...