Red Sonja - She-Devil With a Sword Vol. 10 Machines of Empire (TPB) (2012)

Collects issues #56 to 60!
In a savage, violent world, it takes a strong sword arm and quick wits to survive- Red Sonja -- mercenary, thief, and slayer -- arrives in Khorshemish, capital city of the mighty nation of Koth. With enemies on all sides, the She-Devil With a Sword finds herself at a crossroads between rival families, all vying for the kingdom's throne. Amid such intrigues, there's always a chance for profit, and Sonja's roll of the dice pits throws her into a snakepit of old grudges, ancient magicks, and arcane sciences...with the fate of a kingdom at stake.