Spirits of the Righteous

Ranged spell
Once per battle
Target: 
One nearby enemy
Hit: 
4d6 + Wisdom holy damage, and your nearby ally with the fewest hit points gains a +4 bonus to AC until the end of your next turn.
Miss: 
Your nearby ally with the fewest hit points gains a +2 bonus to AC until the end of your next turn.
3rd Level Spell: 
7d6 damage.
5th Level Spell: 
7d10 damage.
7th Level Spell: 
10d10 damage.
9th Level Spell: 
2d8 x 10 damage.
Champion Feat: 

You also gain the bonus to AC until the end of your next turn on a hit.