Juiblex, the Faceless Lord (CR 19)

Large Outsider (Chaotic, Evil, Extraplanar, and Tanar'ri)
Alignment: Chaotic evil
Initiative: +6(+2 Dex, +4 Improved Initiative); Senses: blindsight 120 ft., darkvision 60 ft., true seeing, Listen +30, and Spot +30
Languages: Abyssal, Common; telepathy 300 ft.


AC: 31 (-1 size, +2 Dex, +20 natural), touch 11, flat-footed 29
Hit Dice: 21d8+252 (346 hp); DR: 20/cold iron and good
Fort +24, Ref +14, Will +20
Speed: 30 ft. and Climb 30 ft.
Space: 10 ft.; Reach 10 ft.
Base Attack +21; Grapple +35
Attack: Melee: 4 slams +30
Damage: Slam 2d6+10 plus 2d6 acid
Special Attacks/Actions: create slime, summon ooze, summon tanar'ri
Attack Options: Combat Expertise, Improved Trip, improved grab, constrict 2d6+10 plus 2d6 acid, dissolve, engulf
Abilities: Str 30, Dex 14, Con 34, Int 22, Wis 22, Cha 18
Special Qualities: amorphous, ooze traits, tanar'ri traits; immune to bludgeoning damage; Immunities: acid, bludgeoning damage, cold, electricity, ooze traits Resist fire 10; SR 30
Feats: Combat Expertise, Combat Reflexes, Dark Speech, Improved Critical (slam), Improved Initiative, Improved Trip, Iron Will, Quicken Spell-Like Ability (hold monster),
Skills: Bluff +28, Concentration +36, Diplomacy +6, Hide +22, Intimidate +30, Knowledge (arcana) +30, Knowledge (dungeoneering) +30, Knowledge (religion) +30, Listen +30, Move Silently +26, Search +30, Sense Motive +30, Spellcraft +32, Spot +30, and Swim +34
Advancement: -
Climate/Terrain: The Abyss (Layer 222)
Organization: Solitary
Treasure: Quad standard

Source: Book of Vile Darkness
Fiendish Codex I