The Smite attack looks interesting with the group healing it can do. If you are in a non melee Epic Destiny I can see its usefulness to fit in to your Heroic attacks.
So what would you give up for it.
Right now I have some Human for Tier 1 healing amp and STR and CON.
I have Aura, Cure Focus and Reactive Heal.
I have Necrotic Ray and Neg Energy Burst.
Can't give up Aura for constant Divine Power. I nice idea though, but I just use tons of clicks if I need it. All the Bracers with the 5's are Divine Power. Just click and swap back to Villager Parry Bracer is easy enough when needed.
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Thinking about giving up Cure Focus and Reactive Heal (and the tree leading up to it). This should free up points. Maybe even increase Turn regen rate cause it is only 1 every 2 minutes and not like before where turns would regen faster.