Alternative Divine Smite

        Starting at 2nd level, when you hit a creature with a melee weapon, you can smite the target, dealing radiant damage in addition to the weapon's damage. The extra damage is a number of d8s equal to your paladin level/4 (round up). The damage increases by 18d if the target is an undead or fiend.

        You can use this feature a number of times equal to your Charisma modifier (a minimum of once). You regain any expended uses when you finish a long rest.