Across this continent lie naturally formed caverns deep beneath the mountains, rich with mineral deposits.
The people of the great land relied on nature's gifts to invent and create a mechanical world.
Iron-drafters are the foundation of a nation.
All kinds of land, sea, and air machines can run smoothly with nothing more than a single white-iron chip.
Of course, talented iron-drafters can do far more than that.
The Tang Empire, with a history spanning a thousand years.
The small nations of the Turks, Khitans, and Uyghurs nearby, each with their own designs.
This is really just the story of an unambitious young man who accidentally became the chief retainer to the empire's foremost beauty and iron-drafter.