I am thinking about like a plant or some kind big organisim. That doesent need to survive on solid food like carnivors or herbivors. More like planktin that feed on the energy from the sun to survive. The hot air that rushes out would be oxegin going into the air like a plant taking in carbon dioxide and releasing oxigin. The reason it would be hot is because of the energy from the sun. Plus since it is big enough to fit a mudokin inside one. The air rushing out would obviously be strong enough to spit anything that goes in, out. Yea I sound too scientific. Who knows what it really is.
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