Cryo Caltrops

You select an area within 30 feet of you that you can see that point creates a mass of caltrops made of ice extending in a 10 foot radius any creature that moves within the radius must make it dexterity saving throw on a failure the creature takes 1d4 cold damage And has their movement speed by 10 feet on the success of the creature takes no damage

this spell’s damage increases by 1d4 when you reach 5th level (2d4), 11th level (3d4) and 17th level (4d4).