The Iron Heart Empire

Dwarven civilization started in the middle east in an alternate universe battling for supremacy. The Dwarves created The Iron Heart Empire conqueroring the planet, now what? (This is a stroy about an Empire growth and experience as the start space faring. I wanted to do this cus you alway see Dwarves in the age of steam and blackpowder. I want to see what would happen if they advanced technology wise. THIS IS NOT TO BE TAKEN TO SERIOUS I WILL WRITE IT HOW I LIKE IF YOU START TO HATE IT TO BAD. However if you have any suggestion and where i should go next with the story plz do say your opinion.