Con
Insect Plague
5th-level Conjuration · XPHB, p. 289
Casting Time1 action
Range300 feet
ComponentsV, S, M (a locust)
DurationConcentration, up to 10 minutes
Saving Throwconstitution
Damage Typepiercing
ClassesCleric, Druid, Sorcerer
Description
Swarming locusts fill a 20-foot-radius Sphere [Area of Effect] centered on a point you choose within range. The Sphere [Area of Effect] remains for the duration, and its area is Lightly Obscured and Difficult Terrain. When the swarm appears, each creature in it makes a Constitution saving throw, taking 4d10 Piercing damage on a failed save or half as much damage on a successful one. A creature also makes this save when it enters the spell's area for the first time on a turn or ends its turn there. A creature makes this save only once per turn.
At Higher Levels
Using a Higher-Level Spell Slot: The damage increases by 4d10 for each spell slot level above 5.