Wow. This could totally be a Planarch Codex thingy. Some planes that Dis consumes get the tar sands treatment to power the city’s boilers – first the leviathan temples to urban gods, such as the Syncrude Sulfur pyramids, go up, in the midst of vast devastation…
Wow.
Wow.
Dis! http://www.energy-reality.org/action/syncrude-mine/
Why bother with Dis, just try Earth ! Hell at your door….
yes…ooo…
You could have an entire quasi-elemental plane of tar! Call it “Alberta.”