Dauntless Smite

The next time you hit a creature with a melee weapon attack during the spell's duration, The creature takes 1d8 necrotic damage. If any creatures are frightened by the struck creature the  fear effect on them ends and the creature takes an extra 1d8 necrotic damage.

At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher, the base damage of the spell increases by 1d8 for each slot level above 1st.