Religion makes a big deal in Calradia. In spiritual terminology, piety is a virtue that may include religious devotion, spirituality, or a mixture of both. A common element in most conceptions of piety is humility and religiosity.
Increasing your piety has the added benefit of providing bonuses.
+1 Charisma for every 10 piety points (max 100 Piety Points)
Piety can be increased by praying at the appropriate structure, making a donation, or having holy artifacts.
1000 florins of donation equals 1 piety point