- The code to enter the Ministry of Magic is 6-2-4-2-2, which spells “M-A-G-I-C”.
- When you clean Grimmauld Place, there’s a locket that can’t be opened by anyone. This is Salazar Slytherin’s locket.
- In Half Blood Prince, Hepzibah Smith is the owner of Hufflepuff’s Cup and Slytherin’s locket. His descendant is Zacharias Smith, who annoyed Ron Weasley and Harry Potter.
