uncommon ce large fiend qlippoth 

Perception +30; greater darkvision, true seeing

Languages Abyssal; telepathy 100 feet

Skills Acrobatics +32, Athletics +35, Occultism +33, Stealth +32

Str +9 Dex +6 Con +6 Int +5 Wis +6 Cha +9

AC  42; Fort +30, Ref +28, Will +32

HP 305, fast healing 10; Immunities controlled, fear; Weaknesses lawful 15

Speed 30 feet, climb 30 feet, fly 50 feet; freedom of movement

Melee [>] stinger +35 (reach 10 feet), Damage 3d12+17 piercing plus 3d6 mental, 1d6 chaotic, and thulgant venom

Melee [>] tentacle +35 (agile, reach 10 feet), Damage 3d8+17 bludgeoning plus 2d6 acid, 1d6 chaotic, and Grab

Occult Innate Spells DC 40; 9th flesh to stone (×3), phantasmal calamity; 8th dispel magic, divine aura (chaotic only), divine decree (chaotic only), phantom pain (×3); 7th plane shift; Cantrips (9th) daze, detect magic; Constant (6th) true seeing; (4th) freedom of movement

Rituals DC 40; imprisonment (9th)

Demon Hunter [>] (divination, occult) The thulgant causes a demon within 30 feet to suffer the effect of its sinful vulnerability.

Greater Constrict [>] 2d6+17 bludgeoning and 1d6 acid, DC 40

Mind-Rending Sting [>] Requirements The thulgant hits the same enemy with two consecutive sting Strikes in the same round; Effect The thulgant deals 3d12+17 mental damage to the enemy. If the enemy is affected by thulgant venom, that poison gains the virulent trait.

Stunning Display [>>] (concentrate, emotion, enchantment, fear, incapacitation, mental, occult, visual) The thulgant rises up on its twitching limbs and presents its numerous tentacles and stingers in a horrifying display of awfulness. Creatures in a 30-foot emanation must attempt a DC 40 Will save, after which they are temporarily immune to further Stunning Displays for 1 minute. Critical Success The creature is unaffected.Success The creature is stunned 1.Failure The creature is stunned 4.Critical Failure The creature is stunned 8.

Thulgant Venom (poison) Saving Throw DC 40 Fortitude; Maximum Duration 6 rounds; Stage 1 3d6 poison damage and the victim gains one of the following at random: clumsy 1, enfeebled 1, or stupefied 1 (1 round); Stage 2 6d6 poison damage and the victim gains two of the following at random: clumsy 2, enfeebled 2, or stupefied 2 (1 round); Stage 3 9d6 poison damage and the victim gains all three of the following: clumsy 3, enfeebled 3, and stupefied 3 (1 round)

Bestiary 2, page 217.