Frostbite

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 . 1 D 6 cold damage, and it has disadvantage on the next weapon attack roll it makes before the end of its next turn.

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The spell's damage increases by . 1 D 6 when you reach 5th level ( . 2 D 6 ),11th level ( . 3 D 6 ),and 17th level ( . 4 D 6 ).