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Ooze, Carnivorous Crystal

The facets of this crystalline formation shift and vibrate, as though in anticipation.

Carnivorous Crystal CR 11

XP 12,800
N Medium ooze (earth, extraplanar)
Init -5; Senses blindsight 120 ft.; Perception -5
Aura subsonic hum (60 ft., DC 22)


AC 17, touch 5, flat-footed 17 (-5 Dex, +12 natural)
hp 136 (16d8+64)
Fort +9, Ref +0, Will +0
DR 10/—; Immune cold, electricity, ooze traits; Resist fire 20
Weaknesses brittle, vulnerable to sonic


Speed 10 ft., climb 10 ft.
Melee slam +18 (7d8+9/18-20 plus entrap)
Special Attacks crystallize, entrap (DC 22, 1d10 rounds, hardness 10, hp 10), razor sharp


Str 22, Dex 1, Con 18, Int —, Wis 1, Cha 1
Base Atk +12; CMB +18; CMD 23 (can't be tripped)
Skills Climb +14, Stealth +0 (+5 in rocky environs); Racial
Modifiers +5 stealth (+10 in rocky environs)
SQ freeze, split (critical hit from a bludgeoning or sonic attack, 15 hp)


Brittle (Ex)

Bludgeoning and sonic attacks can inflict critical hits on a carnivorous crystal. A successful critical hit from such attacks causes the carnivorous crystal to split, even if the attack causes no damage. The crystal remains immune to precision-based damage, such as damage from sneak attacks.

Crystallize (Ex)

A creature entrapped by a carnivorous crystal's attack must succeed at a DC 22 Fortitude save each round or become helpless. If a helpless creature fails this save, it becomes petrified as its body crystallizes. In 1d4 hours, the petrified victim shatters and a new carnivorous crystal emerges from the remains. The save DC is Constitution-based.

Razor Sharp (Ex)

A carnivorous crystal's slam attack deals devastating piercing and slashing damage, and threatens a critical hit on a roll of 18, 19, or 20.

Subsonic Hum (Su)

An active carnivorous crystal gives off supernatural sonic vibrations. Any living creature starting its turn within this aura must succeed at a DC 22 Fortitude save or be stunned for 1 round. A creature that successfully saves cannot be affected by the same carnivorous crystal's subsonic hum for 24 hours. This is a sonic mind-affecting effect. The save DC is Constitution-based.