Insect Plague

5th-Level Conjuration Spell (Cleric, Druid, Sorcerer)

Casting Time: Action
Range: 300 feet
Components: V, S, M (a locust)
Duration: 10 minutes

Swarming locusts fill a 20-foot-radius

A Sphere is an area of effect that extends in straight lines from a point of origin outward in all directions. The effect that creates a Sphere specifies the distance it extends as the radius of the Sphere.

A Sphere's point of origin is included in the Sphere's area of effect.

centered on a point you choose within range. The

A Sphere is an area of effect that extends in straight lines from a point of origin outward in all directions. The effect that creates a Sphere specifies the distance it extends as the radius of the Sphere.

A Sphere's point of origin is included in the Sphere's area of effect.

remains for the duration, and its area is

You have Disadvantage on Wisdom (Perception) checks to see something in a Lightly Obscured space. See also Dim Light and Exploration.

and

If a space is Difficult Terrain, every foot of movement in that space costs 1 extra foot. For example, moving 5 feet through Difficult Terrain costs 10 feet of movement. Difficult Terrain isn't cumulative; either a space is Difficult Terrain or it isn't.

A space is Difficult Terrain if the space contains any of the following or something similar:

• A creature that isn't Tiny or your ally
• Furniture that is sized for creatures of your size or larger
• Heavy snow, ice, rubble, or undergrowth
• ... [more]

.

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: The damage increases by 1d10 for each spell slot level above 5.

Source: Player's Handbook, p. 289