Swarm of Centipedes 2014

CR 1/2 beast

Medium beast, unaligned

Armor Class: 12 (natural armor)
Hit Points: 22 (5d8)
Speed: 20 ft., climb 20 ft.

STR3 (-4)

DEX13 (+1)

CON10 (+0)

INT1 (-5)

WIS7 (-2)

CHA1 (-5)

Saving Throws
Skills
Resistances: bludgeoning, piercing, slashing
Condition Immunities: charmed, frightened, grappled, paralyzed, petrified, prone, restrained, stunned
Senses: blindsight 10 ft., passive Perception 8
Languages: —
Challenge: 1/2 (100 XP) · Proficiency Bonus +2

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.

Environments: Arctic or Tundra, Caves, Coast, Desert, Forest or Jungle, Grassland or Plains, Hills, Laboratory, Lake, Mountain, Ocean, Ruins, Sewer, Shadowfell, The Abyss, Astral Plane, Elysium, Ethereal Plane, Feywild, Hell, Material Plane, Plane of Air, Plane of Earth, Plane of Fire, Plane of Water, Swamp or Marsh, Temple, Badlands, Tomb, Underworld, Urban

Source: System Reference Document 5.1 (Wizards of the Coast) · License: Creative Commons Attribution 4.0 / OPEN GAME LICENSE Version 1.0a details