Insect Plague

Swarming, biting locusts fill a 20-foot-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. The sphere's area is difficult terrain.

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When the area appears, each creature in it must make a constitution saving throw. A creature takes . 4 D 10 piercing damage on a failed save, or half as much damage on a successful one. A creature must also make this saving throw when it enters the spell's area for the first time on a turn or ends its turn there.

Higher level

When you cast this spell using a spell slot of 6th level or higher, the damage increases by . 1 D 10 for each slot level above 5th.