...Another thought.
People had noted before that just giving all Favored Souls control over the undead doesn't make sense for a lot of deities (despite this being a legacy issue for Clerics). Maybe I could change the ability to something like:
Divine Protection (Su): At 2nd level, as an immediate action, the Favored Soul can gain a +2 sacred or profane bonus on their next saving throw. Good-aligned deities grant a sacred bonus, Evil-aligned grant a profane bonus, and the Favored Soul must choose a bonus type if their deity is Neutral-aligned. Once made, this choice cannot be changed.
This ability can be used three times per day plus the Favored Soul's Charisma modifier. Uses of Divine Protection can be used like Turn/Rebuke Undead to fuel various Cleric domain abilities,[Devotion] feats, or Divine Metamagic.
And then I could create a feat called "Extra Divine Protection" to grant four more daily uses.
This shouldn't be a big power boost, but it's worth writing on your character sheet and feels somewhat thematic.
