Swarm of Insects

The swarm of Insects is a Medium beast of challenge rating 1/2 in the fifth-edition System Reference Document.

SRD 5.1 (2014)

Swarm of Insects

Size and type
Medium beast
Challenge
1/2 (100 XP)
Armour class
12
Hit points
22 (5d8)
Speed
20 ft, climb 20 ft
Resistances
bludgeoning, piercing, slashing
Condition immunities
charmed, frightened, grappled, paralyzed, petrified, prone, restrained, stunned
Senses
blindsight 10 ft, passive perception 8
STR3-4
DEX13+1
CON10+0
INT1-5
WIS7-2
CHA1-5

Swarm. The swarm can occupy another creature’s space and vice versa, and the swarm can move through any opening large enough for a Tiny insect. The swarm can’t regain hit points or gain temporary hit points.

Actions

Bites. Melee Weapon Attack: +3 to hit, reach 0 ft., one target in the swarm’s space. Hit: 10 (4d4) piercing damage, or 5 (2d4) piercing damage if the swarm has half of its hit points or fewer.

Page 389.

SRD 5.2.1 (2024)

Swarm of Insects

Size and type
Medium beast
Challenge
1/2 (100 XP)
Armour class
11
Hit points
19 (3d8+6)
Speed
20 ft, climb 20 ft
Resistances
bludgeoning, piercing, slashing
Condition immunities
charmed, frightened, grappled, paralyzed, petrified, prone, restrained, stunned
Senses
blindsight 30 ft, passive perception 8
STR3-4
DEX13+1
CON14+2
INT1-5
WIS7-2
CHA1-5

Spider Climb. If the swarm has a Climb Speed, the swarm can climb difficult surfaces, including along ceilings, without needing to make an ability check.

Swarm. The swarm can occupy another creature’s space and vice versa, and the swarm can move through any opening large enough for a Tiny insect. The swarm can’t regain Hit Points or gain Temporary Hit Points.

Actions

Bites. Melee Attack Roll: +3, reach 5 ft. Hit: 6 (2d4 + 1) Poison damage, or 3 (1d4 + 1) Poison damage if the swarm is Bloodied.

Page 361.

Fight a swarm of insects in Kith Moot. A 5e RPG in your browser with an AI game master. Free to start.

Fight a swarm of insects in Kith Moot