Your great faith improves your ability to channel divinity.
Prerequisites
Channel divinity, Theology 3 ranks.
Benefit
When you use a channel divinity ability, you may spend 1 Faith Point to add 1d6 to your effective cleric level for that use of the ability, which may increase the save DC, damage dealt, or other factors based on cleric level.
Special
You immediately gain 5 faith points when you gain this feat.