You cause numbing frost to form on one creature that you can see within range. The target must make a Constitution saving throw. On a failed save, the target takes 3d6 lightning damage, and it has disadvantage on the next weapon attack roll it makes before the end of its next turn. On a successful save, the target only takes half damage.
***At Higher Levels.*** When you cast this spell using a spell slot of 2nd level or higher, the initial damage increases by 1d6 for each slot level above 1st.