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A gray ooze was a type of ooze.


It was a thick puddle of gray sludge, roughly 8 inches (20 centimeters) thick, 3 inches (7.6 centimeters) wide, and up to 14 feet (4.3 meters) across, that closely resembled wet stone or an amorphous rock formation.[5]


When one of these creatures reached an exceptionally large they were known to mildly develop greater intellect.[5]


These creatures could corrode metal at a rate comparable to that of a black pudding, though its acids could not eat through stone or wood.[5]

Gray oozes reproduced by breaking small droplets off of them after a meal, which later grew into gray oozes themselves.[citation needed]


Gray oozes possessed an innate immunity to magic, as well as severe heat and cold. However, they were vulnerable any form of lightning.[5]

When one of these creatures reached an exceptionally large they would develop latent psionics, allowing them to unleash a psychic crush, but in return be left vulnerable to retaliation. They were only known to unleash this ability whenever a creature within 6 feet (1.8 meters) of them used psionic powers.[5]


It attacked by striking until its prey was either dead or unconscious, moving on top of them afterwards to digest them from within. Acidic secretions of the gray ooze corroded metal at an alarming rate; as a result, blacksmiths also sometimes used jarred gray oozes to meld ore into the right shape. Gray oozes were particularly feared for the fact that they were transparent. This made them difficult to detect while they were still or moving slowly.



Gray oozes were known to be found in cold swamps and marshes, as well as caverns and dungeons. They were mindless scavengers who dragged themselves around caves or sewers, while absorbing and digesting whatever they came across. Unlike other oozes, the gray variety couldn't move on ceilings or walls, hence it was left to slide its way along subterranean floors.[citation needed]

In the Abyss, gray oozes could be found in Shedaklah, the Slime Pits, 222nd layer of the Abyss.[6]



Dungeon #30 ... And a Dozen EggsCurse of StrahdWaterdeep: Dragon HeistWaterdeep: Dungeon of the Mad Mage
Video games
Baldur's Gate II: Shadows of AmnNeverwinter Nights: Darkness over Daggerford
Card Games
Sword Mountains Crypt
Escape the Underdark
Organized Play & Licensed Adventures
Curse of StrahdOut of the Abyss

Further Reading[]