Acolytes travel the land, finding and passing each of the 12 Crests’ Trials in order to become Knights.
The Pilgrimade can take months, even years, depending of the individual, and theres no real age to begin. Some start young, others live far into adulthood before finding their call, but all of them need to take this ancestral journey to become something more.
The real challenge for Minos was to perform his duty while keeping it secret from his new home.