ce medium demon fiend 

Elite babau demon (Bestiary 2)

Perception +15; darkvision, see invisibility

Languages Abyssal, Celestial, Draconic; telepathy 100 feet

Skills Acrobatics +14, Athletics +15, Intimidation +16, Religion +12, Stealth +18, Thievery +16

Str +4 Dex +4 Con +4 Int +2 Wis +3 Cha +2

Items +1 longspear

AC  26; Fort +16, Ref +18, Will +15; +1 to all saves vs. magic

HP 135; Immunities acid; Weaknesses cold iron 5, good 5

Mercy Vulnerability Trathaer revel in the gore of a well-timed attack, and when brutal wounds are restored, they recoil in pain. When a creature heals from damage that the babau dealt on their last turn with Grievous Strike, sneak attack, or a critical hit, the demon takes 4d6 mental damage. The babau can take this mental damage only once per round.

Reactive Slime [R] Trigger A creature within the babau's reach successfully hits the babau with a Strike; Effect The babau excretes a gout of acidic, bloodlike slime against the attacker and its weapon. The attacker must attempt a DC 26 Reflex save. Critical Success The attacker avoids the reactive slime.Success The attacker takes 1d6 acid damage.Failure The attacker takes 2d6 acid damage.Critical Failure As failure, except the weapon used to Strike the babau automatically becomes broken unless the weapon is made of a material that is immune to acid.

Speed 25 feet

Melee [>] longspear +19 (evil, magical, reach), Damage 1d6+8 piercing plus 1d6 evil

Melee [>] jaws +18 (evil, magical), Damage 2d6+8 piercing plus 1d6 evil

Melee [>] claw +18 (agile, evil, magical), Damage 1d6+8 slashing plus 1d6 evil

Divine Innate Spells DC 26; 5th dimension door; 4th darkness, dimension door (at will); Constant (5th) see invisibility

Divine Rituals DC 26; Abyssal Pact

Grievous Strike [>>] (attack) The babau makes an attack with the intent of creating a particularly horrific and gory wound. It make a melee Strike. This counts as two attacks when calculating their multiple attack penalty. If this Strike hits, the babau deals an additional 1d6 damage and the creature struck is sickened 2 for 1 round; this sickened condition cannot be removed by retching.

Sneak Attack A babau deals an additional 1d6 precision damage to flat‐footed creatures.

Extinction Curse #2: Legacy of the Lost God, page 23.