Deep Magic Volume 2 (p.238)
Wilting Breath
0-level (Cantrip) Necromancy
Casting Time: 1 action
Range/Area: 30ft.
Components: Verbal, Somatic
Duration: 1 minute
Attack/Save: CHA Save
Damage/Effect: Poison
You cause the breath of one creature to become distractingly awful. The target must succeed on a Charisma saving throw or it takes 1d6 poison damage and has disadvantage on the next Charisma check it makes to influence another creature before the spell ends.
This spell’s damage increases by 1d6 when you reach 5th level (2d6), 11th level (3d6), and 17th level (4d6).
Available for: Bard, Cleric, Sorcerer, Wizard