Chromaturgy is the art of harnessing light and creating a substance from it, called Luxin. Luxin can take on many different shades from the visible spectrum and to either end of it (what we would call infrared and ultraviolet), and each color has its own unique properties. Luxin is deeply linked with the earthly flow of energies, and imbalance in the use of Luxin colors on a worldwide scale can result in natural disasters. In most cases Luxin flow is self-regulating, but occasionally it must be balanced by increased usage of certain colors of Luxin. Most often than not, this is accomplished by the Prism, a religious leader and political figurehead who rules over the Seven Satrapies as Emperor, although his political power is ceremonial at best. The Prism can draft every color of Luxin, and does not require colored glasses as he possesses the unique ability to split white light into its component colors.

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