Yeah, we don't have monopoly. It's just that there's a difference between some mortal being inspired to heat up the pretty rocks and a egypt-esque expansionist empire being made out of disparate stone age tribes at a snap of the fingers.

If you're stuck for what to write, get into the details of what you're trying to build. Show us the interesting challenges that were overcome to make this new society. It will do wonders in setting the tone for the society and building its character.

Sorry that there isn't much foundation for epic clashes right now, but you're simply going to have to build them yourself over time, so everyone understands what is actually being built.

Right now there's simply Amartia corrupting people, and a whole bunch of dialogue-starved, faceless characters behind him. I can't tell whether this new city is a dangerous place, or a utopian place, or barely holding together through fear, or what. There are plenty of gaps to fill.