Swarm of Bats
Medium swarm of Tiny beasts, unaligned
STR
5
DEX
15
CON
10
INT
2
WIS
12
CHA
4
Armor Class: 12
Hit Points: 22 (5d8)
Speed: Walk 0 ft., Swim
Challenge Rating: 0.25 (50 XP)
Saving Throws:
Skills:
Senses: blindsight 60 ft. passive perception 11
Languages:
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.