Wails of Lost Memories

You unleash a torrent of painful recollections in a 30-foot cone. Each creature in the area must make an Intelligence saving throw. On a failed save, a target takes 6d6 psychic damage and is frightened of you until the end of its next turn as haunting memories overwhelm its senses. On a successful save, the target takes half as much damage and isn’t frightened. At Higher Levels. When you cast this spell using a spell slot of 4th level or higher, the damage increases by 1d6 for each slot level above 3rd.