acid bolt

You hurl a ball of acid at a creature or object within range. Make a ranged spell attack against the target. On a hit, the target takes 1d8 acid damage. on a hit the target has disadvantage of ranged attacks until the players next turn.

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