I think that picture screams "OBSIDIAN FARMING!!" at you.
Nah, it's a volcano - I have more obsidian than I can shake a stick at anyway. I was going to dig a channel down and drop excess junk/enemies into the pool.
OTOH, I've never done farming ... perhaps it's time for !!SCIENCE!!
I will be purging my fort of fire mages and fire kins in the future.
The Firemage Furnace Operator *Firemage* is caught in a cloud of dragonfire!
The Firemage Furnace Operator *Firemage* is caught in a cloud of dragonfire!
The Firemage Furnace Operator *Firemage* is caught in a cloud of dragonfire!
The Firemage Furnace Operator *Firemage* is caught in a cloud of dragonfire!
The Firemage Furnace Operator *Firemage* is caught in a cloud of dragonfire!
The Firemage Furnace Operator *Firemage* is caught in a cloud of dragonfire!
Uvash Nabidtakuth Firemage Furnace Operator *Firemage* has bled to death.
Urist McWhiner screams, "Aw, man! Who's going to clean this up? There's blood all up and down the main staircase!"