Swarm of Bats

AC 12

HP 11 (2d10)

Speed 5 ft., fly 30 ft.

Resistances Bludgeoning; Piercing; Slashing

Condition Immunities Charmed, Frightened, Grappled, Paralyzed, Petrified, Prone, Restrained, Stunned

Senses Blindsight 60 ft., Passive Perception 11

CR 1/4

Traits

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 bat. The swarm can't regain Hit Points or gain Temporary Hit Points.

Actions

Bites. Melee Attack Roll: +4, reach 5 ft. Hit: 5 (2d4) Piercing damage, or 2 (1d4) Piercing damage if the swarm is Bloodied.