Basic Rules, pg. 271
Ray of Frost
0-level (Cantrip) Evocation
Casting Time: 1 Action
Range/Area: 12 sq.
Components: V, S
Duration: Instantaneous
Attack/Save: Ranged
Damage/Effect: Cold, 1d8 , 5 2d8 , 11 3d8 , 17 4d8
A frigid beam of blue-white light streaks toward a creature within range. Make a ranged spell attack against the target. On a hit, it takes 1d8 cold damage, and its speed is reduced by 2 squares until the start of your next turn.
At higher levels: The spell's damage increases by 1d8 when you reach 5th level (2d8), 11th level (3d8), and 17th level (4d8).
Available for: Sorcerer, Wizard, Artificer