N Large Animal Swarm
Senses Perception +4; darkvision, web sense
Skills Acrobatics +5, Athletics +2, Stealth +5
Str -2, Dex +3, Con +0, Int -5, Wis +0, Cha -4
Web Sense The spider swarm has imprecise tremorsense to detect the vibrations of creatures touching its web.
AC 15; Fort +4, Ref +7, Will +2
HP 12; Immunities precision, swarm mind; Weaknesses area damage 5, splash damage 5; Resistances bludgeoning 2, piercing 5, slashing 5
Speed 20 feet, climb 20 feet
Swarming Bites Each enemy in the spider swarm's space takes 1d4 piercing damage with a DC 14 basic Reflex save. A creature that fails its save is exposed to spider swarm venom.
Spider Swarm Venom (poison); Saving Throw Fortitude DC 14; Maximum Duration 4 rounds; Stage 1 1 poison and enfeebled 1 (1 round); Stage 2 1d4 poison and enfeebled 1 (1 round).
An abundance of food, the sudden hatching of a clutch of eggs, or magical influence can cause smaller spiders to gather in terrifying, deadly masses.