
More information can be found in the Darkest Dungeon article on The Cutting Room Floor wiki. Non-religious heroes can refuse services from the Tavern for the Abbey, and religious heroes can refuse services from the Abbey for the Tavern.

The Light is the religion behind the crusades, and is a source of power utilized by the Vestal and the Flagellant. As far as I know, religious is not affected by quirks.

As a result, a Vestal with the Faithless quirk will still prevent nighttime ambushes when using Sanctuary. Note: Religion is NOT affected by quirks such as Faithless, Flagellant and God-Fearing.

There's no harm in using the Vestal's skills if the party is non-religious, unless better stress healing or PROT skills are available. Unless you have good stress healers, try to avoid adding additional stress. In Darkest Dungeon, stress gain should be minimized at all costs and can be the difference between a successful expedition or a much needed retreat.
