The planet possesed two souls. An external face, and an internal face; 
Lightside and Darkside. 46 billion years since the planet's birth, growth and 
decline circle to two wills. At the will of Lightside, new life is born. At the 
will of Darkside, ice ages descend. Lightside wills intelligent beings. Rapid 
progress takes root. Darkside's will breeds fear and disharmony. They came to 
be called 'God' and 'Devil.' There was a certain balance in the world. A perfect, 
fragile balance. But there are those who wish to disrupt that balance...