A nasty, natural beast, like a large subterranean jellyfish. Usually tinting blue or green, these animals tend to lurk in dark corners and cracks, or flatten themselves along the ground in order to surprise prey. Fast-moving but possessing only rudimentary senses and intelligence, they’ll absorb all manner of material, organic or not, and slowly dissolve it within themselves, carefully extracting any meagre nutrients it can over long periods of time, sometimes years, before it needs to feed again.
Oozes can live hundreds of years, and are incredibly territorial. They grow in size and density as they feed through the decades, and reproduce via asexual fission, typically splitting the ooze in half by volume. The new ooze is then usually chased off, or in extreme cases as oozes can’t harm each other physically, starved to death by the older mother ooze who can capture prey faster than its child, who then begins its feeding and reproduction cycle anew.