Centipede Swarm

A writhing mass of legs and poisonous pincers swarms across the ground in a deadly, undulating wave.
 

Centipede Swarm (CR 4)

Diminutive Vermin (Swarm)
Alignment: Neutral
Initiative: +4
Senses: Darkvision 60 feet, Tremorsense 30 feet; Perception +4
  Speed: 30 feet, Climb 30 feet
Space: 10 feet
 

Defense

Armor Class: 18, touch 18, flat-footed 14 (+4 Dex, +4 size)
Hit Points: 31 (9d8-9)
Saving Throws: Fort +5, Ref +7, Will +3
swarm traits
Immunity: weapon damage
 

Offense

Melee: swarm (2d6 plus poison)
Reach: 0 feet
  Special Attacks: Distraction (DC 13), poison
 

Statistics

StrDexConIntWisCha
1 (-5) 19 (+4) 8 (-1) - 10 (+0) 2 (-4)
Base Attack Bonus: +6
CMB -
CMD -
  Feats: Weapon Finesse
  Skills: Climb +12, Perception +4 Languages:
 

Special Abilities

Poison (Ex)

Bite-injury; save Fort DC 13; frequency 1/round for 6 rounds; effect 1d4 Dex damage; cure 1 save. The save DC is Constitution-based and includes a +2 racial bonus.
 

Ecology

Environment: Temperate or Warm Forests or Underground
Organization: solitary, pair, or tangle (3-6 swarms)
Treasure: none

  A centipede swarm seeks to surround and attack any living prey it encounters.