Swarm of Bats A5E
CR 1/4 beast
Medium beast, chaotic evil
STR4 (-3)
DEX14 (+2)
CON10 (+0)
INT2 (-4)
WIS12 (+1)
CHA4 (-3)
Echolocation.
The swarm can't use blindsight while deafened.
Keen Hearing.
The swarm has advantage on Perception checks that rely on hearing.
Swarm.
The swarm can occupy another creatures space and move through any opening large enough for a Tiny creature. It can't gain hit points or temporary hit points.
Actions
Bites.
Melee Weapon Attack: +4 to hit, reach 0 ft., one target. Hit: 7 (2d6) piercing damage or 3 (1d6) piercing damage if the swarm is bloodied.
Other versions
Source: Monstrous Menagerie (EN Publishing) · License: OPEN GAME LICENSE Version 1.0a details