The spider has imprecise tremorsense to detect the vibrations of creatures touching its web.

Web Sense

Saving Throw DC 31 Fortitude
Maximum Duration 6 rounds
Stage 1 6d6 poison damage and <a href="/condition/off-guard">Off Guard</a> (1 round)
Stage 2 6d8 poison damage, <a href="/condition/clumsy">Clumsy 1</a>, and off-guard (1 round)
Stage 3 6d8 poison damage, <a href="/condition/clumsy">Clumsy 2</a>, and off-guard (1 round)

Bristle Spider Venom

The spider flicks its legs, flinging spiky hairs in a 30-foot cone. This deals 6d6 piercing damage with a DC 33 Basic Reflex save.

Hair Barrage

Requirements The monster&#x27;s last action was a successful Strike that lists Knockdown in its damage entry<hr/>Effect The monster attempts to Trip the creature. This attempt neither applies nor counts toward the monster&#x27;s multiple attack penalty.

Knockdown

Saving Throw @Check[fortitude|dc:31|options:damaging-effect,inflicts:clumsy,inflicts:off-guard]
Maximum Duration 6 rounds
Stage 1 @Damage[6d6[poison]] damage and @UUID[Compendium.pf2e.conditionitems.Item.Off-Guard] (1 round)
Stage 2 @Damage[6d8[poison]] damage, @UUID[Compendium.pf2e.conditionitems.Item.Clumsy]{Clumsy 1}, and off-guard (1 round)
Stage 3 @Damage[6d8[poison]] damage, @UUID[Compendium.pf2e.conditionitems.Item.Clumsy]{Clumsy 2}, and off-guard (1 round)