Alsius' Frost v2

A frigid scattershot of ice crystals streaks toward a creature within range. Make a ranged spell attack against the target. On a hit, it takes 1d10 cold damage, and its speed is reduced by 10 feet until the start of your next turn.

The spell's damage increases by 1d10 when you reach 5th level (2d10), 11th level (3d10), and 17th level (4d10).

Regardless of your spell casting ability, your Attack bonus with this spell Attack equals your Dexterity modifier + your Proficiency Bonus.