The Chromatic Domains
Silverlight City (also commonly called the Great Blue City) is the center of human civilization. To many, it is the pinnacle of technology and society. Standing taller than anything else in the city is the Sapphire Tower. The Tower has a great deal of influence in the city, and is highly respected across the Chromatic Domains.
Silverlight City is the capital of the human kingdom Aerilon. The Blue King runs the country from within the city, protected by the royal guard that polices the city. He is advised by a member of the Sapphire Tower as well as a representative of the Crimson Keep (who typically advises based on the ideologies of the school rather than the military.