In this world, people receive skills when they are born. There are two types of skills, external(affecting others) and internal(affecting oneself). There are 7 grades which classify these skills. Common, Rare, Unique, Holy, Sacred, Emperor and God. From most common to rarest. Most of the population is born with common skills, and 5-10 people are born with God skills every thousand years. Examples of skills of these grades would be, in order; Cook, Swordsman, Hero, Sword Saint, Dominate Mind, etc