Swarm of Bats CR 1/4 Medium swarm

"Every monster has a weakness. Most have several attacks first."

🐉 Bestiary › Swarms

Medium swarm of Tiny beasts, unaligned

Armor Class 12 Hit Points 22 (5d8) Speed 0 ft., fly 30 ft.
STR 5 (−3)
DEX 15 (+2)
CON 10 (+0)
INT 2 (−4)
WIS 12 (+1)
CHA 4 (−3)

Damage Resistances bludgeoning, piercing, slashing

Condition Immunities charmed, frightened, grappled, paralyzed, petrified, prone, restrained, stunned

Senses blindsight 60 ft., passive Perception 11

Languages —

Challenge 1/4 (50 XP)   Proficiency Bonus +2

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.

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Where to meet one

The encounter builder rolls the swarm of bats for fights in 🕳️ underdark and 🏚️ dungeon or ruin.

More swarms

Every swarm in the Bestiary →

This page includes material taken from the System Reference Document 5.1 ("SRD 5.1") by Wizards of the Coast LLC, available at dnd.wizards.com. The SRD 5.1 is licensed under the Creative Commons Attribution 4.0 International License. The Beholder's Gazette is not approved, endorsed, or affiliated with Wizards of the Coast.