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Chromatic Ooze

Chromatic oozes result from the worst kind of alchemical mishaps: attempts to combine as many types of elemental damage as possible into a single alchemical substance. Although the source of these alchemical concatenations are as varied as the alchemists who attempt to distill them, one of the most common methods for creating them involves combining the essences of multiple types of chromatic dragons together using eldritch alchemical processes. When this type of experimentation goes dangerously wrong—as it often does—the result is a combination of terrible elemental power with the mindless destructive power of an ooze. A chromatic ooze is a rippling, seething substance that shifts through several different colors, but chemical reactions within the ooze can lock its energy and its color into a specific phase for a short time. Whether a chromatic ooze's destructive urges derive from the frustrated ingenuity of an alchemist creator or from the hunger of the chromatic dragons that so often constitute these oozes' forms, the best way to deal with a chromatic ooze is to stay out of its way.

Recall Knowledge - Ooze (Occultism): DC 43
Unspecific Lore: DC 41
Specific Lore: DC 38

Elite | Normal | Weak
Proficiency without Level

Chromatic OozeCreature 18

Rare N Large Mindless Ooze 
Source Pathfinder #174: Shadows of the Ancients pg. 81
Perception +30; motion sense 240 feet, no vision
Skills Athletics +35
Str +9, Dex -5, Con +10, Int -5, Wis +0, Cha -5
Motion Sense A chromatic ooze can sense nearby motion through vibration and air movement.
AC 28; Fort +33, Ref +16, Will +20
HP 550; Immunities critical hits, mental, precision, unconscious, visual
Caustic Aura (alchemical, aura, olfactory) 90 feet. The chromatic ooze emanates noxious chemicals into the environment. A creature that enters the aura or starts its turn within it is sickened 1 unless it succeeds at a DC 37 Fortitude save. Creatures with the scent ability or a particularly heightened sense of smell are sickened 2, or sickened 1 on a successful Fortitude save. Creatures in the aura can't recover from the sickened condition.Chromatic Shift Trigger The chromatic ooze takes acid, cold, electricity, fire, or poison damage; Effect The chromatic ooze changes its color based on the triggering damage (to dark green, pale blue, dark blue, red, or light green, respectively) and gains resistance 20 to the triggering damage. If it already had resistance to another damage type from this ability, it loses the resistance to that damage type and gains weakness 20 to it. If it already had weakness to another damage type from this ability, it loses that weakness. After 1 minute, the chromatic ooze returns to its usual rippling, multicolored hue and loses the resistance and weakness from this ability.
Speed 20 feet, climb 20 feet, swim 20 feet
Melee pseudopod +35 [+30/+25] (reach 10 feet), Damage 3d10+17 bludgeoning plus chromatic slam and Improved GrabChromatic Slam The ooze's pseudopod Strikes deal an additional 2d10 damage of the same type it resists from its Chromatic Shift ability, if any.Greater Constrict 3d10+13 bludgeoning, DC 40Pseudopod Eruption The chromatic ooze concentrates its mass into several pseudopods, increasing its reach to 30 feet until the end of its turn. It then Strikes at up to four different creatures within its reach. This counts as two attacks for the ooze's multiple attack penalty, but the penalty doesn't increase until after it makes all the attacks.

Sidebar - Additional Lore Dangers of Hubris

Spend enough time among alchemists and you'll likely hear tales of bombs capable of producing multiple elemental effects at the same time. The process for making these bombs requires specialized ingredients and the utmost skill. Few alchemists manage to combine two damage types, much less five. These the latter efforts, when mishandled, create chromatic oozes.

All Monsters in "Ooze"

Amoeba Swarm1
Black Pudding7
Blood Ooze4
Carnivorous Blob13
Chromatic Ooze18
Crawling Slurry16
Gelatinous Cube3
Giant Amoeba1
Gray Ooze4
Ooze, Gunpowder14
Id Ooze7
Ochre Jelly5
Ooze, Pyronite10
Rust Ooze3
Sewer Ooze1
Slime Mold2
Tallow Ooze11
Vaultbreaker Ooze6
Verdurous Ooze6
Yeast Ooze2


Source Bestiary pg. 254
Slimes, molds, and other oozes can be found in dank dungeons and shadowed forests. While not necessarily evil, some grow to enormous sizes and have insatiable appetites.

Sidebar - Related Creatures Amoebas Large and Small

Giant amoebas and amoeba swarms are usually found near each other, as the two oozes are part of the same life cycle. When a giant amoeba grows large enough, it can spontaneously split apart into two separate amoeba swarms, and when an amoeba swarm feeds enough, its individual components can fuse together into a single creature.

Sidebar - Additional Lore Oozing Acid

Many oozes have acidic attacks that can quickly degrade flesh, wood, and even stronger materials. Some believe that oozes are the result of alchemical or magical experimentation run amok, while others postulate that they simply emerged from the natural processes of evolution.

Sidebar - Related Creatures Other Oozes

Many varieties of these nearly mindless predators exist in the world. Some are mere variants, with different colored puddings, jellies, and oozes with little to differentiate them from those presented here other than their habitat. Others are more specialized, or even dangerously intelligent. The shoggoth is one such example, but another variety of deadly and powerful ooze is the thankfully rare blight, a creature composed of protoplasm and eyes that curses entire regions with its presence.