Swarm of Centipedes

Medium Beast, Unaligned

AC: 12

Initiative: +1 (11)

HP: 22 (5d8)

Speed: 20 ft., climb 20 ft.

STR
3 (-4)
DEX
13 (+1)
CON
10 (+0)
INT
1 (-5)
WIS
7 (-2)
CHA
1 (-5)

Resistances: bludgeoning; piercing; slashing

Condition Immunities: charmed; frightened; grappled; paralyzed; petrified; prone; restrained; stunned

Senses: blindsight 10 ft., Passive Perception 8

CR: 1/2 (XP 100; PB +2)

Habitat: Underdark, Grassland, Forest, Swamp, Hill, Urban, Desert

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 insect. The swarm can't regain hit points or gain temporary hit points.

Actions

Bites.

Melee Weapon Attack: +3 to hit, reach 0 ft., one target in the swarm's space. Hit: 10 (4d4) piercing damage, or 5 (2d4) piercing damage if the swarm has half of its hit points or fewer.

A creature reduced to 0 hit points by a swarm of centipedes is stable but poisoned for 1 hour, even after regaining hit points, and paralyzed while poisoned in this way.

Find this creature in the encounter builder

Swarm of Centipedes

Source: Monster Manual (2014), p. 338 - Licenses and attribution