Vicky wasn't sure what she could do about the pressure in her bladder, short of summoning a bucket and that just sounded... gross. She wondered if she couldn't just hold it until they figured out how to get the hell out of this room.
"Um... I think I'll try and wait for a real toilet," she decided out loud. There might be witches, but if there was a spell to make her suddenly not need to pee, she didn't know what it was. If they worked together on the door, though, maybe they could get out of here faster.
"What do you think? Alohamora doesn't work. Do you have any other ideas?"