[She noticed Stiles disappearing a little while ago - and after learning from someone that he's gone off to explore the caves, she of course goes to find him, too.
She of course totally overestimates his ability to navigate a maze-like system of caves, being rather systematic about it and thinking "oh no, he wouldn't be in there, I already checked there and it would mean he went in a spiral and he wouldn't do that". How little did she know.]
[So it'll be FAR longer than she'd intended before she actually manages to find Stiles - and it's the yelling at the chirping dragon that finally does it]