AC 12 (natural armor)
HP 22 (5d8; bloodied 11)
Speed 20 ft., climb 20 ft.
Proficiency +2; Maneuver DC 12
Damage Resistances bludgeoning, piercing, slashing
Condition Immunities charmed , frightened , grappled , paralyzed , petrified , prone , restrained , stunned , unconscious
Senses blindsight 10 ft., passive Perception 8
Languages —
Swarm. The swarm can occupy another creature’s space and move through any opening large enough for a Tiny creature. It can’t gain hit points or temporary hit points.
ACTIONS
Bites. Melee Weapon Attack: +4 to hit, reach 0 ft., one target. Hit: 11 (2d10) piercing damage, or 5 (1d10) piercing damage if the swarm is bloodied .
Venom. Melee Weapon Attack: +4 to hit, reach 0 ft., one target. Hit: 5 (2d4) piercing damage plus 7 (2d6) poison damage, or 2 (1d4) piercing damage plus 3 (1d6) poison damage if the swarm is bloodied .
Variant Insect Swarms
Swarms composed of different insects may have slightly different characteristics based on the traits, movement modes, and attacks of a member of that swarm. Below are examples of common swarms.
Swarm of Beetles. A swarm of beetles has no venom attack and gains a burrowing speed of 5 feet.
Swarm of Centipedes. A swarm of centipedes has no bite attack.
Swarm of Spiders. A swarm of spiders gains the following traits:
Spider Climb. The swarm can climb even on difficult surfaces and upside down on ceilings.
Web Sense. While touching a web, the swarm knows the location of other creatures touching that web.
Web Walker. The swarm ignores movement restrictions imposed by webs.
Swarm of Wasps. A swarm of wasps gains a flying speed of 30 feet, but has no climbing speed or bite attack.
Beasts are natural animals whose existence and abilities are nonmagical. A bear and a tyrannosaurus rex are both beasts.