All the fliers/climbers can see is the tree line and fog. There is obviously some force (of nature or otherwise) that wants us to stay put....unless we can figure out a trick to get us out of here. Simply walking has been proven ineffective. Perhaps we should sit tight as the "humming sound" appears to be getting closer to where we are now?
I'm sure waiting around will turn out all right, but a peaceful stroll through the forest does sound pleasant!
I've gotta wait with my hot tub until all of you fire types have gotten out of the hole, anyway..