What do you mean, the little wriggly ones you throw at fish or the big rock ones that squish people?
"Is it just me, or is this cave moving?"
- Obin the Spelunker’s last words
To experience liberation in the arms of Goran, one must first await the coming of the Uroghi..
The Magma Borer is a large creature native to the extreme world of Crematoria. Scientists and planetologists have yet to be able to explain so many things about the planet and the unknown lifeform that made it possible.
If you want to add a "supernatural" touch to your campaign, define the rules of magic and the universe. Make your players comfortable with those rules. Then your new supernatural creatures must then break those rules.