11) Who is Harry Potter's archenemy?
12) What is the name of the magical prison that houses Voldemort's most powerful followers?
13) What creature guards the entrance to Azkaban?
14) Who is the first person to be held prisoner in Azkaban?
15) Who tricked Sirius into being captured by Azkaban?
16) What is the name of the boat that takes prisoners to Azkaban?
17) Q9 What does Harry Potter cast in order to protect himself and his friends from the Dementors at Azkaban?
18) What is the name of the prison where Sirius Black was held?
19) Who were the three known people to have escaped from Azkaban?
20) What is the name of Sirius' black dog?