pf2e.fyi
From Pathfinder Society Scenario #4-99: Blessings of the Forest, which isn't enabled.

Abyssal Warhound

CREATURE 1
Perception +8; darkvision, scent (imprecise) 30 feet
Skills Acrobatics +7, Athletics +5, Intimidation +7, Survival +8 (+10 to Track)
Str +4, Dex +0, Con +4, Int -4, Wis +1, Cha +0

AC 13; Fort +9, Ref +5, Will +4
HP 25; Weaknesses cold iron 2, holy 2; Resistances acid 3

Speed 30 feet
Melee Jaws +9 (unarmed, unholy), Damage 1d4+4 piercing
Caustic Drool (acid)

Caustic saliva drips from the warhound's mouth. Until the end of its turn, the abyssal warhound's jaws Strike deals an additional 2 points of acid damage on a successful attack, or 4 points on a critical success.

Effect: Caustic Drool

Shake
Requirements The abyssal warhound's Caustic Drool ability is active

Effect The warhound shakes its head, splattering nearby creatures with caustic saliva. All creatures within 10 feet of the warhound take 2d4 acid damage (DC 14 basic Reflex) and the warhound's Caustic Drool ability ends. Abyssal warhounds are immune to this damage.
Pathfinder Society Scenario #4-99: Blessings of the ForestOGL