Sacred Light

You have learned to call on all your light at once that you may burn the undead and fiends who cross your path. With a divine word you strike a foe with the holly light of your angelic ancestor. The target must succeed on a dexterity saving throw equal to 8 + your charisma modifier + your proficiency bonus or take 1d8 radiant damage.

The effect's damage increases by 1d8 when you reach 5th level (2d8), 11th level (3d8), and 17th level (4d8).

If the target is an undead of a fiend the effect deals an extra 1d8 damage, increased by 2d8 at level 11.