Mordenkainen's Lost Notebook

Storm of Needles

3-level Abjuration

You instantly fill the area with a burst of thousands of tiny needles. Each creature in a 30-foot cone must make a Dexterity saving throw. A creature takes 8d6 piercing damage on a failed save, or half as much damage on a successful one.
At higher levels: At Higher Levels. When you cast this spell using a spell slot of 4th level or higher, the damage increases by 1d6 for each slot level above 3rd.