[What doesn't he need, really. The situation is not out of hand, not entirely, but it threatens to become so quickly.]

Barricades. The upstairs floors all have windows. Sealing off individual rooms is too much work, so it's better to block the stairs once we confirm the rooms are empty. I don't want anyone trapped up there. We can use the furniture to build barriers - and get all those blankets and pillows down here for everyone who's asleep.

[Take your pick of things to do, really. Once Will is settled safely on the ground floor here, he turns back toward the stairs and gestures for Javert, and maybe others, to follow.]

You're the one who's been helping people train to fight, aren't you?