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This horrifying creature has the upper body of a beautiful woman, but a lower body of snapping wolf heads and writhing tentacles.

Scylla CR 16

XP 76,800
CE Huge aberration (aquatic)
+11; Senses all-around vision, blindsight 30 ft., darkvision 60 ft., low-light vision, see invisibility; Perception +29
frightful presence (30 ft., DC 26)


AC 30, touch 20, flat-footed 18 (+11 Dex, +1 dodge, +10 natural, –2 size)
250 (20d8+160); fast healing 10
+14, Ref +17, Will +18
Defensive Abilities
freedom of movement, improved evasion; DR 10/cold iron and lawful; Immune cold, charm effects, confusion and insanity effects; Resist acid 20, fire 20; SR 27


Speed 30 ft., swim 50 ft.
4 bites +25 (1d8+8/19–20 plus bleed), 4 tentacles +23 (1d6+4 plus grab)
15 ft.; Reach 15 ft.
Special Attacks
bleed (1d6), constrict (1d6+8)
Spell-Like Abilities
(CL 16th; concentration +22)

Constant—freedom of movement, nondetection, see invisibility
At will—acid arrow, control water, fog cloud, Greater dispel magic, major image (DC 19)
3/day—black tentacles, charm monster (DC 20), insanity (DC 23), mirage arcana (DC 21), solid fog
1/day—control weather, power word stun, project image (DC 23), summon (level 8, 1 charybdis)


Str 27, Dex 32, Con 27, Int 20, Wis 23, Cha 22
Base Atk
+15; CMB +25 (+29 grapple); CMD 47 (can’t be tripped)
Combat Reflexes, Dodge, Improved Critical (bite), Mobility, Multiattack, Power Attack, Vital Strike, Weapon Finesse, Weapon Focus (bite), Weapon Focus (tentacles)
Acrobatics +34, Bluff +26, Intimidate +29, Knowledge (nature)* +25, Perception +29, Sense Motive +26, Stealth +26, Swim +39, Use Magic Device +26
Abyssal, Aquan, Common
amphibious, change shape (1 humanoid form, alter self), undersized weapons*

* Editor's Note

The undersized weapon quality states that the creature uses weapons sized one category smaller than itself; however, the creature description states that this creature uses human-sized weapons if it fights with weapons, thus it uses weapons sized two categories smaller.