In the ancient times, a meteorite fell from the sky, called "Divine Source". The energy released by the divine source was called the power of God, allowing those who were fit to evolve into monks, and those who were not fit to mutate into soul-eating beasts, which could become beasts or humans, and were called soul-eaters. The two forces have been fighting endlessly for thousands of years.
Intention: People always have to climb to the top