Dread's Hand

harnessing the power of true dread grip you opponents mind forcing dread into them causing them to see things that arent there and take damage as long as you hold this grip.  The target must pass a charisma saving throw determined by caster or take 8d6 psychic damage or half as much on a successful save.  If the target fails the save the target is frightened of the caster and  take 4d6 psychic damage at the start of each of its turns, the target may attempt the save at the end of each of their turns.