You Enwreath your hand with psychic power and grab the face of a nearby creature. Upon grabbing their face, you force them to relive every sin they have committed from a victim's perspective.   Make a Melee Spell Attack towards a creature within reach. On a hit, you deal XdY psychic damage.
Where "X" is the target's CR/Level(minimum of 1) and "Y" is the target's Hit Die Type.
If the target creature has a wisdom of 18 or higher it must also make a wisdom save, taking only half the damage on a success.   Example 1: When used on a Stone Golem, CR 10 with 17d10 hit points, this spell will deal 10d10 psychic damage.   Example 2: When used on a Tarrasque, CR 30 with 33d20 hit points, this spell will deal 30d20 psychic damage.   Example 3: When used on a level 5 Cleric PC, d8 Hit die, this spell will deal 5d8 psychic damage.   yes, it must be the face. if the creature dosen't have one, deffer to the DM's judgement.