Swarm of Bats

Armor Class
12

(Natural Armor)

Hit Points
22
STR
5 (-3)
DEX
15 (+2)
CON
10 (+0)
INT
2 (-4)
WIS
12 (+1)
CHA
4 (-3)
Senses
Blindsight 60ft
Passive Perception 11
Challenge
1/4

Traits

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.