The ooze, the cat girl and the rest of the group will notice as Hilda suddenly squats down towards the ground and easily creates a shallow hole for her entire body to fit into and poke her head out from the earth...
HildaSpoiler (click to show/hide):
After moving so much dirt you feels an incredible emptiness inside of her, like she has become hollow and weightless... and there is so much dirt just laying around her, just taking up space.
Razajin will notice that he came from the north, if he wants to go any further, he'll have to climb the mountain or walk around it, or possibly go back inside.
Garian claws through the dirt in the dungeon hoping to find easy passage on the other side, after a few hours he's only made a little bit of headway and he's surrounded by dirt. Nir is the first to find him, discovering the room disappearing behind her as she walks through the ethereal wall.
Kal has an easy time finding finding a lake by following a rive flowing down the mountain. There are no mushrooms to be found, but there appears to be some kind of hardened reed growing all around the lake.
Max is able to suppress his anger long enough to go wandering off into the woods aimlessly. At the deepest point of the forest is the giant mountainside which is host to their dungeon. The mountain chain cradles the forest in a crescent shape, it is hard to find much else with the trees blocking his view.