You make a choking motion while pointing at a target, which must make a successful Wisdom saving throw or become unable to communicate verbally. The target's speech becomes garbled and it has disadvantage on Charisma checks that require speech. The creature can cast a spell with a verbal component only by making a successful Constitution check against your spell save DC. If the Constitution check fails, the creature's action is used but the spell slot isn't expended.Ritual Focus. If you expend your ritual focus, the affected target also takes 2d6 psychic damage every time it tries to talk.