From Pathfinder Society Scenario #6-14: Twice in Steel, which isn't enabled.

Derakni

CREATURE 8

RARE LARGE DEMON FIEND UNHOLY

Perception +17; scent (imprecise) 30 feet

Languages Chthonian, Draconic, Empyrean; Telepathy 100 ft

Skills Acrobatics +16, Athletics +18, Stealth +16

Str +6, Dex +4, Con +4, Int +0, Wis +2, Cha +2

AC 27; Fort +16, Ref +19, Will +13

HP 139; Immunities poison; Weaknesses cold iron 5; Resistances acid 10, cold 10, fire 10

Speed 25 feet, fly 40 feet

Melee Claw +18 (agile, reach 10, unarmed, unholy), Damage 2d6+8 slashing

Melee Stinger +18 (reach 10, unarmed, unholy), Damage 2d8+9 piercing plus Abyssal Poison

Divine Innate Spells DC 23, attack +15; 4th Translocate

Abyssal Poison

Saving Throw DC 23 Fortitude

Maximum Duration 6 rounds

Stage 1 2d6 poison damage plus Enfeebled 1 (1 round)

Stage 2 2d8 poison damage plus Enfeebled 2 (1 round)

Stage 3 2d10 poison damage plus Enfeebled 3 (1 round)

Droning Flyby (auditory, mental)

The drone of the derakni's wings mesmerizes listeners. The derakni Flies. All creatures within 20 feet of the derakni at any point during this movement must attempt a DC 23 Will saving throw. On a failure, the target is Confused for 1 round (3 rounds on a critical failure); on a success, the target is immune for 1 minute.

Pathfinder Society Scenario #6-14: Twice in SteelORC