Swarm of Bats in Dungeons & Dragons 5e
Homebrew, Monster Manual (5e), 2014, Monster Manual (5.5e), 2025
Swarm of Bats CR: 1/4
STR
5 -3
DEX
15 +2
CON
10 +0
INT
2 -4
WIS
12 +1
CHA
4 -3
Blindsight 60 ft, Passive Perception 11
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 Attack Roll: +4, reach 5 ft. Hit: 5 (2d4) Piercing damage, or 2 (1d4) Piercing damage if the swarm is Bloodied.
Suggested Environments
Any climate; Hill, mountain, Underdark, & urban terrain.
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