Bullet Rain

You throw a handful of bullets into the air, and then cause them to rain down with incredible force around you for the next round. everyone of your choice in a 20 foot radius sphere surrounding you must make a dexterity saving throw against your saving throw DC. Creatures then take 4d10 damage and have disadvantage on their next attack, or half damage and no disadvantage on a successful one. when you're casting this spell with a higher level spell slot, this spell deals 1d10 more damage and has a 5 foot larger radius for each higher level you cast it at.