This nightmarish serpentine creature bears crackling wings of chaotic energy and bristling fins of insubstantial fire.
Ibshaunet CR 11
AC 27, touch 15, flat-footed 20 (+6 Dex, +1 dodge, +12 natural, –2 size)
hp 149 (13d10+78); fast healing 5
Fort +14, Ref +14, Will +7
Defensive Abilities amorphous anatomy, freedom of movement; DR 10/lawful; Immune acid, polymorph; Resist electricity 10, sonic 10; SR 22
Speed 30 ft., fly 30 ft. (perfect), swim 30 ft.
Melee bite +20 (1d8+8/19–20 plus grab), 2 claws +19 (1d6+8), tail slap +14 (1d8+4 plus grab)
Space 15 ft.; Reach 15 ft.
Special Attacks constrict (1d8+12), fast swallow, swallow whole (2d8 acid damage plus warpwave, AC 16, hp 14), warpwave breath (50-ft. cone, 10d6 acid damage plus warpwave, Reflex DC 22 half)
Spell-Like Abilities (CL 9th; concentration +12)
Str 27, Dex 22, Con 22, Int 13, Wis 16, Cha 17
Base Atk +13; CMB +23 (+27 grapple); CMD 40 (can’t be tripped)
Feats Combat Reflexes, Dodge, Improved Critical (bite), Improved Initiative, Mobility, Power Attack, Weapon Focus (bite)
Skills Acrobatics +22, Fly +26, Intimidate +19, Knowledge (planes) +17, Perception +19, Survival +19, Swim +29
SQ change shape (greater polymorph)
Corrosive Aura (Su)
A creature that enters an ibshaunet’s aura must succeed at a DC 19 Fortitude save or take 3d6 points of acid damage. Once a creature is affected by this aura, it is not affected again unless it leaves and reenters the aura. The save DC is Charisma-based.
Warpwave Breath (Su)
An ibshaunet can exhale a 50-foot cone of entropic energy every 1d4 rounds, dealing 10d6 points of acid damage to creatures in the area of effect (Reflex DC 22 half). A creature damaged by the breath must succeed at a DC 22 Fortitude save or be subject to a warpwave. The save DC is Constitution-based.
Environment any (Maelstrom)
Organization solitary or devouring (3–5)
Ibshaunet proteans are rarely seen engines of destruction.
Pathfinder Campaign Setting: Concordance of Rivals © 2019, Paizo Inc.; Authors: John Compton, Crystal Frasier, Ron Lundeen, and Amber Stewart.