Kuo-Toa Leviathan
Huge natural humanoid (aquatic)
Level 15 Elite Brute XP 2400

Initiative +12        Senses Perception +11; Darkvision
HP 358; Bloodied 179
AC 27; Fortitude 28, Reflex 27, Will 26
Saving Throws +2
Speed 8, swim 8
Action Points 1

(⚔) Claw (standard, at-will)

Reach 3; +18 vs AC; 3d8+6 damage, and the target is knocked prone.

⚔ Bloodlust Bite (standard, at-will)

Targets a bloodied creature; +18 vs AC; 3d8+6 damage, and the target slides 3 squares and takes ongoing 10 damage (save ends).

⚔ Snapping Bites (standard, at-will)

The kuo-toa leviathan makes two attacks; +18 vs AC; 3d8+6 damage, and the target slides 3 squares.

ᗕ Mind-Rending Roar (free, when first bloodied, encounter) ✦ Psychic, Thunder

Close blast 5; +16 vs Will; 1d8+5 psychic and thunder damage, and the target is dazed (save ends).

Alignment Evil        Languages Deep Speech
Skills Athletics +18
Str 23 (+13)      Dex 21 (+12)      Wis 18 (+11)
Con 19 (+11)      Int 5 (+4)      Cha 7 (+5)

Description: Overwhelmed by crippling madness, some kuo-toas undergo a physical and mental transformation into hulking feral predators.

Published in Underdark, page(s) 149.