Still wound tight from the sudden flare-up of magic from... whatever that thing was, soon as the rattle of metal and wood reached her ears, Gretel's bow dropped from her shoulder and aimed square at the door...
...that was opening. From her vantage, with no one behind it.
She stared at it from behind the wire cross-hairs, silent, lips open but not breathing. A stand-off with something she couldn't see was well below par on her list of favorites, but she couldn't just sit there forever. Something had to give. Gretel wet her lips, and said a calm as she could,
"Unless you want eleven inches of metal through your skull, I suggest you show yourself slowly..."