Celestial Vengeance

You call down a burst of celestial energy upon a target that has been marked by your divine wrath. Choose a creature within range that you have seen be a part of your recent melee weapon attack. The target must make a Dexterity saving throw. On a failed save, it takes 6d6 radiant damage, or half as much on a successful one.

Additionally, you can choose to deal 2d6 extra radiant damage to the target if you’ve had at least 10 kills. The extra damage is only applied if the spell’s initial damage roll is a hit.

At Higher Levels: When you cast this spell using a spell slot of 5th level or higher, the damage increases by 1d6 for each level above 4th.