Buildings such as stables and libraries were born here, which is also an era when war and technology are integrated. Equestrian training began to appear formal and powerful cavalry units, and library research is the best scientific and technological restoration to promote the development of civilization.

The factory is a building that appeared in the latest enlightenment era. Mainly used to produce high-grade arms. After all, after the technology climbs to a higher level, the arms will be upgraded accordingly. If the landlord wants to experience the role of the factory, then upgrade his town to enter the enlightenment era.