The ODC was the epicenter of the Draconic Empire's industrial & military might, yet it it would come to mean very little under the gaze of a sunless, starless sky. thousands of kobolds, dragonborn, & dragons became under threat of starvation in the empire, so drastic measures had to be taken. The kobolds of the empire got to work in the factories, mass-producing robotic shells for kobolds, dragon-born, & dragons alike. For such a feat, all the empire's resources were consolidated in the capital, leaving all other settlements stripped and abandoned. The capital was now the only city in the empire, and once every draconic soul was transfered into a metal draconic vessel, the city only continued to grow.

These draconic robots were powered by magic and steam, hence they still needed heat. Eventually the capital would run out of coal, oil, and wood to burn, so as a last ditch effort to keep themselves powered, the dragons focused all of their magical might to tear a massive portal in the sky, right above the whole capital, straight into into the elemental plane of fire. With the surface of the city at a balmy 200C, they don't need to worry about lacking enough heat to power themselves.

Presently the Old Draconic Capital mostly concerns itself with the mass-production of coins for the hoards of it's robotic dragons. coins made of gold, copper, silver, bronze, iron, tungsten, platinum, bismuth, uranium, exc.

It is rumored that any outsiders that wonder into the city get their soul ripped out of their body and put into a vacant kobolt (assuming they don't get cooked by the heat first).

Kobolts munch on scrap sometimes. They miss being hungry.

Hierarchy:
Cyber Dragon: command
Dragon-borg (Dragon-born): soldier drones
Kobolts: worker drones