In the inky darkness, she heard the slithering of what might well be a groo! She thought she had a flashlight with her, but as she frantically searched through her stuff, all the could find was:

She stumbled back toward the door and tried to open it, but failed to pick the lock. Luckily, she tried again and the door sprang open. In her haste she tried three or four more times but the door was already open.