STR5-3
DEX15+2
CON10+0
INT2-4
WIS12+1
CHA4-3
Senses
Blindsight 60 ft
Damage resistances
Bludgeoning, Piercing, Slashing
Condition immunities
Charmed, Frightened, Grappled, Paralyzed, Petrified, Prone, Restrained, Stunned
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.
Echolocation
The swarm can't use its blindsight while deafened.
Keen Hearing
The swarm has advantage on Wisdom (Perception) checks that rely on hearing.
Actions
Bites
+0 to hit. Hit: 5 ((2 - (@statuses.bloodied))d4) piercing damage. Melee Weapon Attack: , 0 ft., one creature in the swarm's space. Hit: damage, or damage if the swarm has half of its hit points or fewer.