### Swarm of Bats

*Medium swarm of Tiny beasts, unaligned*

**Armor Class** 12

**Hit Points** 22 (5d8)

**Speed** 0 ft., fly 30 ft.

| STR      | DEX      | CON      | INT      | WIS      | CHA      |
|:--------:|:--------:|:--------:|:--------:|:--------:|:--------:|
| 5 (-3)   | 15 (+2)  | 10 (+0)  | 2 (-4)   | 12 (+1)  | 4 (-3)   |

**Damage Resistances** bludgeoning, piercing, slashing

**Condition Immunities** charmed, frightened, grappled, paralyzed, petrified, prone, restrained, stunned

**Senses** blindsight 60 ft., passive Perception 11

**Languages** -

**Challenge** 1/4 (50 XP)

***Echolocation***. The swarm can't use its blindsight while deafened.

***Keen Hearing***. The swarm has advantage on Wisdom (Perception) checks that rely on hearing.

***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 Weapon Attack:* +4 to hit, reach 0 ft., one creature in the swarm's space. *Hit:* 5 (2d4) piercing damage, or 2 (1d4) piercing damage if the swarm has half of its hit points or fewer.