Each time you take this feat, you gain four additional daily use of your Faith, and you also gain +1 to your turning damage roll.
You can gain Extra Faith multiple times. Its effects stack. Each time you take the feat, you gain four additional daily use of your Faith, and you gain +1 to your turning damage roll.
Without this feat, a character can typically use faith a number of times per day equal to half her Cleric and Paladin level plus his or her Charisma modifier.
