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.
You find a patch of edible funghi. They taste well and all, no ill effects. UNLESS you consume some beverage, even 3 (three) days after eating it. Then you become really sick with pains, vomiting, all the fancy stuff. As a gift or good meal, it could be a cruel joke or to make sure the heroes spend their time focused on the mission. And the fine soup you had in the inn yesterday could have some in.
(Inspired through a real-world fungus. Was really used to cure alcoholism.)