Deep Magic Volume 1
Thousand Darts
3-level Evocation
Casting Time: 1 action
Range/Area: Self
Components: Verbal, Somatic, Material
Materials: a set of mithral darts worth 25 gp
Duration: Instant
Attack/Save: DEX Save
Damage/Effect: Piercing
You launch thousands of needlelike darts in a 5-foot-wide line that is 120 feet long. Each creature in the line takes 6d6 piercing damage, or half as much damage if it makes a successful Dexterity saving throw. The first creature struck by the darts makes the saving throw with disadvantage.
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.
Available for: Sorcerer, Warlock, Wizard with Clockwork Specialization