Uncertainty

You cause a creature you can see within range to doubt its own abilities. The target must succeed on a Charisma saving throw or take 1d8 psychic damage and subtract 1d4 from the next ability check it makes before the end of your next turn.

At Higher Levels. This spell’s damage increases by 1d8 when you reach certain levels: 5th level (2d8), 11th level (3d8), and 17th level (4d8).