You do realize of course, you can't keep out you know who indefinitely.
That doesn't mean we can't delay him. And his name is Voldemort. Filius, you might as well use it. He has come to try to kill you either way.
Soldier statues come falling from above and take place.
Hogwarts is threatened. Man the boundaries. Protect us. Do your duty to our school.
I've always wanted to use that spell!