A fungus that can grow pretty much anywhere, depending on what it grows on, it changes and adapts. The fungus acts as a hive mind and will talk to whatever it's growing on through telepathy. The fungus is usually nice and reasonable despite how fast it grows on anything. It slowly corrupts it's host's flesh growing just underneath the host's skin and inside organs, it spreads quickly and unpredictably. It causes it's host to swell all over in unnatural ways with liquids, spores, and fat.