Department of Mysteries
The Department of Mysteries is where Harry Potter, Hermione Granger, Ron Weasley, Luna Lovegood, Neville Longbottom and Ginny Weasley go to rescue Sirius Black where Harry had a vision, that Sirius was being tortured there by Voldemort. Instead Voldemort just wanted Harry to see the vision, so Harry would come and take his prophecy. After picking up the prophecy, Harry and his friends find themselves surrounded by Lucius Malfoy, Bellatrix Lestrange and other Death Eaters. They get into a battle when the Order of the Phoenix arrive Alastor Moody, Remus Lupin, Kingsley and Nymphadora Tonks. During the battle, Bellatrix Lestrange kills Sirius Black.