DC during Mori freezes killer

So this was fun. And by "Fun" I mean fun like we all know Dead by Daylight is "fun."

I had five stacks of Hex: Devour Hope to aid me in the "Kill survivors by any means" challenge in the current tome. The Laurie took exception to being killed in such a fashion after I picked her up out of a trap. I dropped her to begin the Mori and she disconnected....

...which utterly froze my killer. I could not WASD, nor attack. I had no trap left to set so I couldn't try that. I could hit Escape and quit, I suppose. Which is a little counterintuitive to doing a challenge, don't you think?

If this is a tile-based thing, here's the map and tile:

Or hey, maybe it's hacking, in which case...