Exhaust Ooze

Nearly invisible blobs of noxious gas, exhaust oozes live in the warm toxic output of industrial machinery and large vehicles. Although often content to feed on the heat of these machines, exhaust oozes are drawn to the warmth and expelled byproducts of breathing creatures, seeking such meals whenever available. When hunting living creatures, the exhaust ooze uses its natural camouflage to stalk and engulf its isolated prey.