Dumbledore's Army – still recruiting

Well, that had been Neville's idea, of course. But she had been with him. They had all stuck together – she and Neville and Ginny and the rest of the DA – after Harry and the others hadn't come back and darkness crept into the walls of the castle that had protected them for so long. They had spent countless hours in the Room of Requirement, together, planning and plotting and comforting each other, and others, from the horrors of the day. It turned out she was good at it. She had a place in the rebellion. She had friends.

In the dark days, friends were more important than ever.

If that was the only thing the war had taught her: that it had.