Lord Voldemort said casually, "This final exam was primarily designed to test their teamwork. In their future lives, when they have to face all kinds of dangers, they need to know how to cooperate with the witches and wizards around them in a timely manner."
"Those weren't people they were familiar with; some they had barely met just once. Couldn't they cooperate with each other? The answer is a definite yes."
Lord Voldemort continued, "The first-year Hufflepuffs and Ravenclaws—those students who hadn't originally planned to participate in the final battlefield, but later went to lure away the troll—all received an O."
Chapter 160