A large creature that resembles a manta ray. Its body is comprised of compartmentalized gas sacs, each filled with a lighter than air mixture, allowing it to sail through the air by gracefully flapping its body. It attaches to a ceiling and drops down on prey, suffocating it and digesting the corpses. Its underside has chameleon like skin, blending in to whatever surface it is attached to. Instinct: To suffocate and devour

• smother victims by dropping on them from above