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Gelatinous Cube (Frost)

Bits of broken weapons, coins, brown patches of a strange material and a partially digested skeleton are visible inside this quivering cube of slime.

Ooze (Gelatinous Cube - Ebony Variant) CR 4

XP 800
N Large ooze
Init –5; Senses blindsight 60 ft.; Perception –5
Aura cold

 DEFENSE

AC 4, touch 4, flat-footed 4 (–5 Dex, –1 size)
hp 50 (4d8+32)
Fort +9, Ref –4, Will –4
Defensive Abilities fast healing 3 if within 5 ft. of fire
Immune electricity, ooze traits
Weaknesses
cold vulnerability

 OFFENSE

Speed 15 ft.
Melee slam +2 (1d6 plus 1d6 acid)
Space 10 ft.; Reach 5 ft.
Special Attacks engulf, paralysis

 STATISTICS

Str 10, Dex 1, Con 26, Int —, Wis 1, Cha 1
Base Atk +3; CMB +4; CMD 9 (can't be tripped)
SQ partially transparent

 SPECIAL ABILITIES

Acid (Ex)

A gelatinous cube's acid does not harm metal or stone.

Cold Aura (Ex)

Living creatures within 5 feet of the cube take 3d6 points of nonlethal cold damage per round.

Engulf (Ex)

Although it moves slowly, a gelatinous cube can simply engulf Large or smaller creatures in its path as a standard action. It cannot make a slam attack during a round in which it engulfs. The gelatinous cube merely has to move over the opponents, affecting as many as it can cover. Opponents can make attacks of opportunity against the cube, but if they do so they are not entitled to a saving throw. Those who do not attempt attacks of opportunity can attempt a DC 12 Reflex save to avoid being engulfed—on a success, they are pushed back or aside (opponent's choice) as the cube moves forward. Engulfed creatures are subject to the cube's paralysis and acid, gain the pinned condition, are in danger of suffocating, and are trapped within its body until they are no longer pinned. The save DC is Strength-based.

Paralysis (Ex)

A gelatinous cube secretes an anesthetizing slime. A target hit by a cube's melee or engulf attack must succeed on a DC 20 Fortitude save or be paralyzed for 3d6 rounds. The cube can automatically engulf a paralyzed opponent. The save DC is Constitution-based.

Partially Transparent (Ex)

Unlike its more common transparent cousin, an electric gelatinous cube has a purplish sheen, making it somewhat easier to detect. A DC 10 Perception check is required to notice a motionless electric gelatinous cube. Any creature that fails to notice an electric gelatinous cube and walks into it is automatically engulfed.