Viper Swarm

Creature 4

Large
animal
swarm

Perception: +12; low light vision, scent (imprecise) 60 feet
Skills: Acrobatics +13, Stealth +11; Str +1, Dex +5, Con +3, Int −4, Wis +2, Cha −3

AC: 18; Fort +11, Ref +13, Will +10
HP: 50; Immunities swarm mind, precision; Weaknesses area damage 5, splash damage 5; Resistances bludgeoning 5, piercing 5, slashing 3

Swarm Mind

Speed: 30 feet, climb 30 feet, swim 30 feet

Venom Spritz ◆◆ The vipers spray venom from their fangs in a defensive display. Each creature in a 10-foot cone is exposed to viper swarm venom but gains a +2 circumstance bonus to its initial saving throw against the poison.

Venomous Fangs ◆ Each enemy in the swarm's space takes 2d8 piercing damage (DC 21 basic Reflex save). A creature that fails their save is also exposed to viper swarm venom.

Viper Swarm Venom (poison) Saving Throw DC 21 Fortitude

Maximum Duration 6 rounds

Stage 1 1d4 poison damage (1 round)

Stage 2 1d6 poison damage and Clumsy 1 (1 round)

Stage 3 2d4 poison damage, Clumsy 2, and Enfeebled 1 (1 round)

Source: Pathfinder Monster Core 2

Running this fight? Add the viper swarm to the initiative tracker: type its name and the AC, hit points and Perception for initiative fill in, and the book button shows this stat block mid-fight.