After their sixteenth birthday, all young adults are tested to see which major skill set they have developed. Skill sets often run in families, but there may be some variation. On an appointed day of every year, the sixteen-year-olds must select the faction to which they will devote their lives. They make this choice based upon a combination of their test results and personal inclination. Choosing ‘against” their test results carries the risk they will not succeed in their chosen faction.
