The Second Age of Reason
Magical rock that heats up on command
Hot Rocks have three temperatures based on the command words used:
“Hot Rock warm rock” – creates a comfortably warm heat but won’t burn flammable objects
“Hot Rock hot rock” – creates a heat that can be cooked with and does 1d6 fire damage per round if touched.
“Hot Rock burn” – creates a heat so intense it can be used in a crucible or forge to soften metal and does 3d6 fire damage per round if touched, 1d6 fire damage to everything within 5 ft.