pf2e.fyi
From Pathfinder #173: Doorway to the Red Star, which isn't enabled.

Ancient Rivener

CREATURE 14

Ikeshtis who eschew their society are exiled and quickly devolve into violent creatures known as riveners.


Ikeshtis are reptilian humanoids native to Akiton's wastelands. Smaller than Golarion's iruxi, ikeshtis organize around distinct societal roles.


Perception +25
Languages Ikeshti; can speak and understand only simple words
Skills Athletics +28, Intimidation +22, Stealth +25, Survival +24
Str +8, Dex +5, Con +5, Int -3, Wis +4, Cha +0
Violent Instincts

An ancient rivener attacks the nearest creature when Confused instead of any other effect, and ignores magical commands compelling them to do anything other than attack.


AC 35; Fort +27, Ref +25, Will +22
HP 280; Resistances cold 15, fire 15, mental 15
Ferocity

Trigger The monster is reduced to 0 HP.

Effect The monster avoids being knocked out and remains at 1 HP, but its Wounded value increases by 1. When it is Wounded 3, it can no longer use this ability


Speed 30 feet
Melee Jaws +29 (reach 10, unarmed), Damage 3d8+14 piercing plus 2d8 bleed
Melee Claw +29 (agile, unarmed), Damage 3d8+14 slashing
Slaughter Tackle

The ancient rivener Leaps at a target within 30 feet, and then makes one jaws Strike and one claw Strike in any order.

Squirt Blood
Frequency once per day

Effect The ancient rivener squirts blood from one of their eyes at a target within 30 feet. The target must attempt a DC 18 Fortitude save or become Sickened 1 (Sickened 2 on a critical failure).
Pathfinder #173: Doorway to the Red StarOGL