Creature Reference Back to Creatures

Bat, Swarm of Bats

Medium · Beast · CR 1/4 · Chaotic Evil

Source. Black Flag SRD

1/4

Ability Scores

Core attributes and their modifiers.

STR

-3

DEX

CON

INT

-4

WIS

CHA

-3

Overview

Category Monsters

Size Medium

Type Beast

Alignment Chaotic Evil

XP 50

Initiative Bonus +2

Movement

Fly 30 ft (9.1 m)

Senses

Passive Perception 11

Saving Throws

Strength -3 Dexterity +2 Constitution +0 Intelligence -4 Wisdom +1 Charisma -3

Languages

Resistances & Immunities

Damage Immunities

Swarm Resilience

Damage Resistances

blinded,Swarm Resilience

Damage Vulnerabilities

deafened

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

+4 to hit. Hit: 2d6 piercing damage.

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.

About Bat, Swarm of Bats

Bat, Swarm of Bats is a medium beast with a Challenge Rating of 1/4. It has a chaotic evil alignment.

In combat, this creature maintains an Armor Class of 12 and possesses 14 hit points (derived from None).

Bat, Swarm of Bats has communication capabilities including -. This allows it to interact verbally with various creatures and characters.

GM Tips: Using Bat, Swarm of Bats

1 tips available

When using Bat, Swarm of Bats in your D&D 5e campaign, consider these tactical approaches:

Flight Control Strategy: Target flying creatures with spells like 'Hold Person', 'Web', or 'Grease' to ground them. Without flight restriction, they can escape melee range easily. Consider area denial spells below their flight altitude to force them into disadvantageous positions.

Player Guide: Facing Bat, Swarm of Bats

1 strategies available

When your party encounters this creature, keep these strategies in mind:

Counter Flight Advantage: This creature can fly! Use ranged attacks, reach weapons, or spells like 'Thunderwave' to push it away. Consider 'Gust of Wind' or 'Earthbind' to ground it. Melee characters need fly speed or flight magic to engage.

Encounter Building Calculator

Standard Party Encounter (4-5 characters):

This creature is a medium encounter for a party of 4 characters of level 1.

Solo Encounter:

A single character of level 2 (up to level 20) can face this creature in a medium to hard encounter.

Experience Point Thresholds:

Medium: 31 XP
Hard: 46 XP
Deadly: 62 XP

Based on D&D 5e Dungeon Master's Guide encounter building guidelines. CR roughly equals party level for medium encounters.

Frequently Asked Questions

What is the challenge rating of Bat, Swarm of Bats?: Bat, Swarm of Bats has a Challenge Rating of 1/4, making it appropriate for parties of level 0.25.
What type of creature is Bat, Swarm of Bats?: Bat, Swarm of Bats is a Medium Beast, which affects how certain spells and abilities interact with it.
What languages does Bat, Swarm of Bats speak?: Bat, Swarm of Bats can communicate in -.