Sorrel's Missile Swarm (5e Spell)
From D&D Wiki
|Casting time:||1 action|
|Duration:||Concentration, up to 1 minute|
A swarm of magical darts fills a 15ft radius sphere centered on a point you choose within range. The sphere spreads around corners. The sphere remains for the duration, and its area is lightly obscured. When the area appears each creature in it must make a dexterity saving throw. a creature takes 4d10 force damage on a failed save, or half as much damage on a successful save. A creature must also make this saving throw when it enters the spells area for the first time on a turn or ends its turn there.
At Higher Levels. When you cast this spell using a spell slot of 5th level or higher, the damage increases by 2d10 for each slot level above 4th