Chosen of a Deity--a possible Template
Here is the template I came up with for Nobanion. Comments, concerns, and critiques are welcome:
Creating a Chosen of Nobanion
"Chosen of Nobanion" is a template that can be added to any humanoid, or monstrous humanoid, creature (referred to hereafter as the "character"). A Chosen of Nobanion uses the character's statistics and special abilities except as noted here. A Chosen of Nobanion only has its powers at the will of Nobanion, should the Lord of the Beasts decide to remove Chosen status from the character, he reverts to his original abilities. Given that Nobanion is a lesser Deity, there is generally only one Chosen of Nobanion at a time.
Special Qualities: A Chosen of Nobanion retains all special qualities of the character and also gains the following.
Bonus Spells (SP): Constant--Magic Circle against Evil, At will--Know Greatest Enemy, 5/day--War Cry, Cure Serious Wounds, Suggestion, Charm Monster, 1/day--Holy Star, Geas, Dominate Monster---All spell cast as per a Cleric of level 14, though the character may not spontaneously cast healing spells in place of other spells.
Damage Reduction (Ex): 10/Magic
Immunities: A Chosen of Nobanion is immune to aging effects and does not age. Bonuses still accrue, and the Chosen still dies of old age whin his time is up. A Chosen of Nobanion is immune to hunger and thirst, and all effects relating to them. A Chosen does not need to eat or drink and can exist indefinitely without food or water, though the character can eat or drink if he/she chooses.
Regeneration 3 The character takes normal damage from cold and acid.
Guardian Angel(Su): A Chosen of Nobanion can summon an Astral Deva a number of times per 10 day equal to twice his/her charisma bonus. The Astral Deva remains until dismissed or the Chosen is deceased. As per the spell Greater Planar Ally, the Deva expects payment or a favor of like difficulty as the task just completed.
Great Roar (Su):As per the spell Great Thunderclap, except that the character releases a roar like Nobanion's. This is a supernatural ability, useable a number of times per day as the character's wisdom modifier.
Natural Armor: The character gains a divine protection of natural armour +14 that stacks with any natural armor the character may posses.
Saves: Same as the character.
Abilities: Increase from the character as follows: Strength +2, Charisma +10.
Skills: Same as the character.
Feats: Same as the character.
Climate/Terrain: Same as the character.
Organization: Same as the character.
Challenge Rating: Same as the character +4.
Alignment: Always Lawful Good.
Treasure: Same as the character.
Advancement: Same as the character.
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So that's the Template. As I said, any comments would be appreciated.