Oobleck (3.5e Race)

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Author: Eiji-kun (talk)
Date Created: 12-1-11
Status: Complete
Editing: Clarity edits only please
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An oobleck imitating a female humanoid.


The oobleck are a rare sapient form of ooze, capable of speech and thought. They do not exist as a unified race but as a rare mutation seemingly caused by the consumption of a sentient being by an ooze, followed by its reproduction. The resulting new slime may turn out to be an oobleck, which slowly matures with basic intelligence and memories, soon to go out seeking the meaning of its life in the outside world.


The oobleck are fantastically curious, most growing up surrounded by mindless siblings and uncertain why they alone possess intellect. They often feel compelled to leave and explore, finding company in others who might accept them. Unfortunately for the oobleck, this is rarely a warm welcome and many oobleck die approaching humanoids in a far too friendly manner. Those which are not killed or driven from society quickly try to settle in where they can and adapt, though they are filled with wanderlust whenever discovering that there is more beyond the world they know. It is no surprise that one could say the entire population of ooblecks are adventurer material.

Physical Description[edit]

Ooblecks are nothing but vaguely ovid blobs of colored slime in their natural, resting state, but when "awake" and active they form into a vaguely humanoid shape. Their shape appears to be genetically pre-determined and the nature of their features and where, or why they appear as they do are a mystery. Always translucent, a sharp eye can pick out a central cluster of organs which serves as the core of the oobleck, as well as its sensory organs and brain. They are highly resistant to damage, and while slow they are usually dangerous to the touch. Unfortunately for many oobleck, they often do not realize their bodies are caustic when first coming into contact with other creatures.

Oobleck are gender neutral genetically but they assign themselves a mental gender which their physical form often assumes as well. They reproduce by splitting when they get too large, usually budding mindless slimes and rarely budding another oobleck without the need to consume sentient creatures.


Oobleck are rarely well received since their first reaction is to reach out and touch the new and interesting people, accidentally digesting them in the process. This, combined with their rarity means most have never heard of an oobleck, and if they have they would have assumed it some manner of normal slime.


Oobleck are almost universally true neutral, for few have had experience enough to alter their alignment any meaningful way.


The oobleck are found in places where slimes roam... moist, dark caves, forgotten dungeons, and filth covered sewers. These places are home, and the oobleck is even more adaptable in where it can live. However, all find arid deserts to be rather painful, as their bodies rely on a heavy amount of moisture.


The oobleck rarely worship, most being ignorant of religion. Those that do worship have often become priests of the demon lord of slime, Jubliex, for only the demon lord truly understands what they are and their kind.


Oobleck speak Common and understand and communicate in the chemical-based language of slimes. This does not help them much as most slimes are mindless and the only communication they ever receive are messages such as "hungry" and "food this way". Even so, this knowledge allows them to use Handle Animal checks to influence the behavior of oozes.


The oobleck rarely name themselves, and instead pick up nicknames from others who accept them. As such, names lean towards one word "pet names" like Slimer, Flan, and Jello.

Racial Traits[edit]

  • -2 Dexterity, +4 Constitution, -2 Intelligence, +2 Wisdom, -2 Charisma: Mentally stunted due to their simple brains and socially awkward, they nevertheless possess keen senses and a powerful vitality which keeps them running after the most severe of injuries.
  • Ooze: Oobleck are oozes, though they do not possess typical ooze traits.
  • Medium: As a Medium creature, an oobleck has no special bonuses or penalties due to its size.
  • Oobleck base land speed is 20 feet.
  • Darkvision: An oobleck can see in the dark up to 60 feet. Darkvision is black and white only, but it is otherwise like normal sight, and an oobleck can function just fine with no light at all.
  • Acid Body (Ex): Oobleck emit an acid sheathe which deals 1d6 acid damage +1 per HD. This damage is applied to any creature which touches the oobleck with an unarmed or natural attack or any creature which otherwise makes full body contact. This damage is also applied to the oobleck's natural attacks, including its slam attack or as a touch attack made as a standard action. They may suppress their acid as a free action.
  • Acid Resistance (Ex): Oobleck have acid resistance equal to their HD x2. At 16th level, this resistance becomes acid immunity.
  • Blindsense (Ex): Oobleck have blindsense out to 20 feet.
  • Fortification (Ex): Oobleck do have vitals, though they are difficult to target. Oobleck have a 50% fortification against critical hits and sneak attacks.
  • Immunities (Ex): Immune to paralysis, polymorph, and stunning.
  • Modified Ooze Traits: Oobleck are not like normal oozes. They are not mindless and are affected by mind-affecting effects normally. They are not blind, possessing visual senses instead. They are not immune but merely resistant to critical hits and sneak attacks. And unlike oozes, they eat, breath, and sleep as normal creatures do. They are not immune to poison and sleep effects. They can be flanked, as their attention can only point so many ways at once. On the other hand, they are immune to being tripped or falling prone, though they can flatten themselves out to fall "prone" on purpose.
  • Mutable Body (Ex): The oobleck has a body which can morph and shift in form. They can alter their general appearance as if using disguise self at will, but always appear the same color of translucent slime, making it a visual trick at best. It is a real change, so true seeing does not bypass it. At 8 HD, the oobleck can adjust its color to match the form it has chosen, acting like a normal disguise self.
  • Oobleck have a natural slam attack which deals 1d6 + their Strength modifier in damage as a primary attack, plus the damage from Acid Body.
  • Ooze Form (Ex): As a standard action the oobleck can assume ooze form. In this state any gear it was wearing is absorbed into its form and becomes inert, and it can alter its shape greatly, allowing the oobleck to flow through tiny cracks and keyholes, flatten itself out, and appear as a normal ooze. In this state it is impossible to grapple, as it is capable of flowing like liquid between fingers. It is a standard action to transform back into a humanoid creature.
  • Wet Body (Ex): When in arid environments, an oobleck suffers from dehydration twice as fast as a normal creature. They are treated as water subtype creatures for spells and effects modified by the subtype.
  • Automatic Languages: Common, language of oozes.
  • Bonus Languages: Aquan, Draconic, Dwarven, Elvan, Gnome, Terran.
  • Favored Class: Any
  • Level Adjustment: +1
  • Effective Character Level: 2

Vital Statistics[edit]

Table: Oobleck Random Starting Ages
Adulthood Simple Moderate Complex
1 years +1d3 +1d4 +2d4
Table: Oobleck Aging Effects
Middle Age1 Old2 Venerable3 Maximum Age
500 years 1000 years 2000 years +Unlimited years
  1. At middle age, −1 to Str, Dex, and Con; +1 to Int, Wis, and Cha.
  2. At old age, −2 to Str, Dex, and Con; +1 to Int, Wis, and Cha.
  3. At venerable age, −3 to Str, Dex, and Con; +1 to Int, Wis, and Cha.
Table: Oobleck Random Height and Weight
Gender Base Height Height Modifier Base Weight Weight Modifier
Male 5' 0" +1d6 150 lbs lb. × (1d6) lb.
Female 5' 0" +1d6 150 lbs lb. × (1d6) lb.

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Eiji-kun's Homebrew (5482 Articles)
Facts about "Oobleck (3.5e Race)"
AuthorEiji-kun +
Effective Character Level2 +
Favored ClassAny +
Identifier3.5e Race +
Level Adjustment1 +
Racial Ability Adjustments-2 Dexterity +, +4 Constitution +, -2 Intelligence +, +2 Wisdom + and -2 Charisma +
RatingUnrated +
SizeMedium +
SummaryThe oobleck are a rare sapient form of ooze, capable of speech and thought. +
TitleOobleck +
TypeOoze +