How do you get into the Slytherin dorm on Lego Harry Potter?

2. Go to the staircase right across the staircase with the "Girls' Toilets" sign on the wall

3. Go up the staircase

4. Look right until you see a gargoyle

5. Use “Lumos” to talk to the gargoyle and answer its riddle

6. Say “I Am the Half Blood Prince” and the dormitory should now be accessible