Bat, Swarm of Bats — fantasy monster illustration. Bat, Swarm of Bats is a medium swarm (Challenge Rating 1/4).

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Bat, Swarm of Bats

Medium Swarm

AC
12
HP
14
Speed
0
CR
1/4

Armor Class 12

Hit Points 14

Speed 0 ft., fly 30 ft.


STR
4 (-3)
DEX
14 (+2)
CON
10 (+0)
INT
2 (-4)
WIS
12 (+1)
CHA
4 (-3)

Damage Vulnerabilities deafened

Damage Resistances blinded,Swarm Resilience

Damage Immunities Swarm Resilience

Senses keensense 60 ft.

Languages -

Challenge 1/4


Traits

Cacophonous Swarm. A creature in the swarm's space that casts a spell with a verbal component must succeed on a DC 12 CON save or the spell fails to cast, expending the action required to cast it but not the spell slot or daily use.

Echolocation. The swarm can't use its keensense while deafened.

Heightened Hearing. The swarm's Perception is 16 when perceiving by 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 HP or gain temporary HP.

Swarm Resilience. The swarm is resistant to bludgeoning, piercing, and slashing damage, and it is immune to the charmed, frightened, grappled, paralyzed, petrified, prone, restrained, and stunned conditions.

Actions

Bites. _Melee Weapon Attack:_ +4 to hit, reach 0 ft., one creature in the swarm's space. _Hit:_ 7 (2d6) piercing damage, or 3 (1d6) piercing damage if the swarm has half of its HP or fewer.

Community Images

Bat, Swarm of Bats — fantasy monster illustrationPrimary
FTTHelper · auto-generated · monster · monster

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Further reading

Jetpack7 Game Master Series
The Game Master's Book of Random Encounters
Jeff Ashworth · 2020
The Game Master's Book of Traps, Puzzles and Dungeons
Jeff Ashworth · 2022
The Game Master's Book of Legendary Dragons
Aaron Hübrich · 2022