Smite Evil

You can use this talent once per battle, plus an additional number
of times per day equal to your Charisma modifier.
As a free action add +1d12 to
the damage roll AND deal half damage with the attack if it misses.
Adventurer Feat: Your Smite Evil attacks gain a +4 attack bonus.
Champion Feat: Add 2d12 to the damage roll
Epic Feat: Add 4d12 to the damage roll