During conversation can attempt to take the upper hand. A target that can understand you in conversation makes a Charisma saving throw. If they fail you cause them to take disadvantage on any Charisma saving throws and ability checks while you are within 120ft of them. If a creature under this effect your first attack against them deals 1d8 extra psychic damage. If they succeed then your next Charisma ability check has +1d8 to the roll.
