Aqua light

A beam of blue-white light emanating from the chest then to the hands bolts toward a creature within range. Make a ranged spell attack against the target. On a hit, it takes 2d8 radiant damage, and must make a dex save of 16 if the target wishes to move on a fail the target takes 2d4 cold damage and losses half their movement

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