Void Lash

You conjure a blade of pure darkness and fling it at a creature. Choose one creature you can see within range. The target must succeed on a dexterity saving throw and on a failed save take 1d8 necrotic and any weapon attack you make against the target has a +2 bonus to damage until the end of your next turn.

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