Formidable Smite Image
Prerequisite: Must have 18 Charisma
 

A Paladin taking this feat has learned to maximize the impact of his holy fervor, delivering devastating strikes of radiant Damage. When using smite you can reroll 1s and 2s but must keep the second roll. You also add your Charisma modifier to your Improved smite starting at level 11. 

Formidable Smite Image