Make a melee spell attack against a creature you can reach. On a hit a ray of light shines down on them, and they are shaken to their core. 

If they are of Good alignment, they are healed for 8d8 hitpoints.

If they are of Neutral alignment, they take 8d8 psychic damage.

If they are of Evil alignment, they take 8d8 psychic damage and roll an intelligence save. On a failure, they are stunned for 1 round in mental anguish.

Creatures that have an Intelligence score of 2 or lower are unaffected.

At Higher Levels. When you cast this spell using a spell slot of 6th level or higher, the damage/healing increases by 2d8 for each slot level above 5th.