Ulathar's Frozen Arrow

You hurl a dart of cold at a target creature. Make a ranged spell attack. If it hits, they take 3d6 cold damage and you choose which body part to hit:

Feet Their speed is reduced to 0 until the end of your next turn

Arms They have disadvantage on the next attack roll

Chest The next attack against them has advantage The effects of this spell wear off if the target takes any Fire Damage, or if the target is resistant or immune to cold damage.