le large fiend velstrac 

Perception +24; greater darkvision, painsight

Languages Common, Infernal, Shadowtongue

Skills Athletics +25, Crafting +22 (+24 sculpting flesh), Intimidation +25, Medicine +26, Religion +22, Stealth +19, Torture Lore +20

Str +7 Dex +3 Con +5 Int +2 Wis +6 Cha +5

Painsight (divination, divine) A velstrac automatically knows whether a creature it sees has any of the doomed, dying, and wounded conditions, as well as the value of those conditions.

AC  33; Fort +23, Ref +21, Will +26; +1 status to all saves vs. magic

HP 215, regeneration 20 (deactivated by good or silver); Immunities cold; Weaknesses good 15, silver 15

Glimpse of Stolen Flesh (aura, divine, enchantment, fear, mental, visual) 30 feet. When a creature ends its turn in the aura, it sees pieces of its own body amid the interlocutor's form. The creature must succeed at a DC 29 Will save or become stunned 1.

Attack of Opportunity [R]

Speed 40 feet

Melee [>] claw +25 (deadly 2d10, evil, magical, reach 10 feet), Damage 3d10+13 slashing plus 2d6 persistent bleed

Divine Innate Spells DC 33; 7th plane shift (self only, to the Material Plane or Shadow Plane only); 5th breath of life; 4th heal (×2), restoration (×2); Cantrips (6th) stabilize

Focus Gaze [>] (concentrate, divine, enchantment, fear, mental, visual) The interlocutor stares at a creature they can see within 30 feet. The creature must immediately attempt a Will save against glimpse of stolen flesh. In addition, if the creature was already stunned, on a failed save, it feels its internal organs twist and writhe, and is clumsy 2 for 1 minute. After attempting this save, the creature is then temporarily immune until the start of the interlocutor's next turn.

Surgical Rend [>] This functions as the Rend ability, dealing claw damage. In addition, if the target is a living creature with organs and muscle, the interlocutor opens a precise wound. Until the creature is restored to its maximum Hit Points, thus closing the wound, Strikes against the creature deal 1d6 extra precision damage.

Bestiary 2, page 284. Originally in AoA3.