The fictional deity Sigmar Heldenhammer is the patron deity of this faction whose cultures are based on what real-world empire?
The Empire (Warhammer): In Games Workshop's "Warhammer Fantasy" fictional universe, The Empire is one of the human political factions and armies, and is featured in many games and novels. The Empire (Warhammer):  In terms of location, language, culture, and society, it is clearly based on the real-world medieval Holy Roman Empire.
i don't know