This is what happens when Chase gets bored
Just before dawn this morning, Chase and Gert set up a modified tennis ball launcher outside Castle Hall behind one of the many conveniently existing (if partially melted) snow blinds. It has been calibrated down so in case his ammo freezes (which he's hoping it doesn't) so that theoretically somebody dressed for the weather won't get bruised by impact. Yeah, he made a snowball launcher and is lying in ambush for his fellow Castle hallers to come stumbling out into the Sunday dawn.
If a pack of Cadets come rushing past, clearly being sheepherded to another hell run, he's not going to shoot at them. But anybody else is fair game, including Cadets who don't look like they're in a hurry.
He doesn't actually expect to get to do this long, and he fully expects to get his ass kicked, but