Venomous Snake Swarm

Venomous snakes slither and crawl over each other in a furious mass, their poison-dripping fangs glinting in the light.
 

Venomous Snake Swarm (CR 4)

Tiny Animal (Swarm)
Alignment: Neutral
Initiative: +7
Senses: Low-Light Vision, Scent; Perception +13
  Speed: 20 feet, Climb 20 feet, Swim 10 feet
Space: 10 feet
 

Defense

Armor Class: 17, touch 15, flat-footed 14 (+3 Dex, +2 natural, +2 size)
Hit Points: 37 (5d8+15)
Saving Throws: Fort +7, Ref +9, Will +2
swarm traits
 

Offense

Melee: swarm (1d6 plus distraction and poison)
Reach: 0 feet
  Special Attacks: Distraction (DC 15)
 

Statistics

StrDexConIntWisCha
9 (-1) 16 (+3) 17 (+3) 1 (-5) 12 (+1) 2 (-4)
Base Attack Bonus: +3
CMB -
CMD -
  Feats: Improved Initiative, Lightning Reflexes, Skill Focus (Perception)
  Skills: Acrobatics +7 (+3 when jumping), Climb +15, Perception +13, Stealth +19, Swim +11 Languages:
 

Special Abilities

Poison (Ex)

Swarm-injury; save Fort DC 15; frequency 1/round for 6 rounds; effect 1d2 Con damage; cure 2 consecutive saves. The save DC is Constitution-based.
 

Ecology

Environment: Any
Organization: solitary, nest (2-4 swarms), or knot (5-7 swarms)
Treasure: none

  While all snake swarms are dangerous, swarms made up of venomous snakes are typically the most lethal. Snake swarms of both types can generally be encountered in the same regions, dwelling in ruins or wilderness alike.