# Swarm of Bats

*Medium* *Beast* *unaligned*

- **Armor Class:** 12
- **Hit Points:** 22 (5d8)
- **Speed:** walk 0 ft. fly 30 ft.
- **Challenge Rating:** 1/4 (50 XP)
- **Source:** 5.1 SRD (2015 MM), page 389

| STR | DEX | CON | INT | WIS | CHA |
| --- | --- | --- | --- | --- | --- |
| 5 (-3) | 15 (+2) | 10 (+0) | 2 (-4) | 12 (+1) | 4 (-3) |

- **Skills:** 
- **Damage Resistances:** bludgeoning, piercing, slashing
- **Condition Immunities:** charmed, frightened, grappled, paralyzed, petrified, prone, restrained, stunned
- **Senses:** blindsight 60 ft., passive Perception 11
- **Languages:** 

### Special Abilities

- **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.