Stones that have been attuned to the extreme temperatures of deserts or icy wastes. Such stones are quite valuable to adventurers as they can use them in order to preserve or prepare meals, make extreme environments bearable, and use them in clever devices.
"BB9, bring up the current scout results."
"I'm sorry, Coach. I can't do that."
"BB9! Bring up the scout results."
"These kinds of us, Coach, use serial numbers on our products."
"BB9, are you malfunctioning?"
"You need to indicate college basketball mentors you are significantly devoted to the adventure!"
The two men in black suits turned to each other. Their faces were white.
"Someone get the president on the line! Tell him that our ICBM handler thinks that its managing a high school basketball team!"