Interspecies interactions in caves can be particularly interesting due to the isolated and often fragile nature of these ecosystems. These interactions can include mutualism, commensalism, and parasitism, and they play a crucial role in the functioning of cave ecosystems.

The walls and ceilings of Udonge are covered with a variety of microorganisms, including bacteria and fungi. These microscopic life forms play a crucial role in the cave's ecosystem, contributing to the decomposition of organic matter and the cycling of nutrients.

Reisen adjusted her grip. The heavy weight of the weapon was a comfort, but not against what she was hunting. Bullets were useless against things that didn't have vital organs, or worse, things that wanted to be shot.

Lastly, there were the Aerthys, ethereal beings with delicate wings that shimmered like the moon. They were the keepers of the wind, able to summon gentle breezes or fierce gusts with a flick of their wrists.