C224 Inspect the Brain

The cave was at the bottom of the hill, behind the trees, and in front of the cave, there were a few weird looking trees lying on the ground.

Only by bypassing the tree trunk could one see a gray stone that was neither too eye-catching nor too big. When one walked to the side of the stone, one could see a hole down there.

Only half of the hole was exposed to the ground. Behind the gray stone