Mordenkainen's Lost Notebook
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.