You create a momentary needle of cold, sharp pain in a creature within range. The target must make a successful Constitution saving throw or take 1d6 necrotic damage immediately and have its speed halved until the start of your next turn.
Cantrip Upgrade. This spell’s damage increases to 2d6 when you reach 5th level, 3d6 when you reach 11th level, and 4d6 when you reach 17th level.