Said to be made of chunks of dirt and cacti, this being was created to speed up the growth of trees. Instead, it turned out to be a massive killing machine, so it was sent to an unknown lab in the middle of antarctica. There, it was enclosed in a glass box for many years, unable to grow to it's godly form. After 26 years, this 'thing' was released into the Earth by an unknown spy. Now, antarctica is a scorching place filled with giant sized cacti, fungi, huge bugs, and soggy soil. This thing is evil.
First thing that popped into my head was this.
