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Gray Ooze

Medium · Ooze · CR 1/2 · Chaotic Evil

Source. Black Flag SRD

1/2

Ability Scores

Core attributes and their modifiers.

STR

DEX

-2

CON

INT

-5

WIS

-2

CHA

-4

Overview

Category Monsters

Size Medium

Type Ooze

Alignment Chaotic Evil

XP 100

Initiative Bonus -2

Movement

Walk 15 ft (4.6 m)

Swim 7 ft (2.1 m)

Climb 15 ft (4.6 m)

Crawl 7 ft (2.1 m)

Senses

Passive Perception 8

Saving Throws

Strength +1 Dexterity -2 Constitution +3 Intelligence -5 Wisdom -2 Charisma -4

Languages

Resistances & Immunities

Damage Immunities

Ooze Resilience

Damage Resistances

acid,fire,Ooze Resilience

Damage Vulnerabilities

cold

Traits

Amorphous

The ooze can move through a space as narrow as 1 inch wide without squeezing.

Corrode Metal

Any nonmagical weapon made of metal that hits the ooze corrodes. After dealing damage, the weapon takes a permanent and cumulative -1 penalty to damage rolls. If its penalty drops to -5, the weapon is destroyed. Nonmagical ammunition made of metal that hits the ooze is destroyed after dealing damage. The ooze can eat through 2-inch-thick, nonmagical metal in 1 round.

False Appearance

While the ooze remains motionless, it is indistinguishable from ordinary fresh or curing mortar.

Ooze Nature

The ooze doesn't require sleep.

Ooze Resilience

The ooze is resistant to the grappled and restrained conditions, and it is immune to exhaustion and to the blinded, charmed, deafened, frightened, and prone conditions.

Spider Climb

The ooze can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.

Actions

Pseudopod

+3 to hit, reach 10 ft (3 m). Hit: 1d4+1 plus 2d6 acid damage.

Melee Weapon Attack: +3 to hit, reach 10 ft., one target. Hit: 3 (1d4+1) bludgeoning damage plus 7 (2d6) acid damage, and if the target is wearing nonmagical metal armor, the armor is partly corroded and takes a permanent and cumulative -1 penalty to the AC it offers. Armor reduced to an AC of 10 is destroyed.

Reactions

Solidify

When the ooze is hit by an attack, it can partially solidify its body, reducing the damage it takes by 2 (1d4). If it has taken fire damage since the start of its last turn, the damage it takes is reduced by 3 (1d6) instead. The ooze can't use this reaction if it has taken cold damage since the start of its last turn.

About Gray Ooze

Gray Ooze is a medium ooze with a Challenge Rating of 1/2. It has a chaotic evil alignment.

In combat, this creature maintains an Armor Class of 8 and possesses 29 hit points (derived from None).

Gray Ooze has communication capabilities including -. This allows it to interact verbally with various creatures and characters.

GM Tips: Using Gray Ooze

4 tips available

When using Gray Ooze in your D&D 5e campaign, consider these tactical approaches:

Climbing Advantage: This creature can climb at 15 ft. It can use walls and ceilings for tactical positioning. Consider using 'Spider Climb' negation or fighting in open areas without vertical surfaces.
Fire Damage Mitigation: This creature deals fire damage. Advise players to have fire resistance ready or use water-based tactics. Consider environmental fire hazards that could backfire on the creature.
Cold Damage Strategy: Cold-based attacks can slow or freeze. Prepare 'Heat Metal' or fire spells as countermeasures. Ice terrain can be used to create difficult terrain for melee characters.
Amorphous Movement: This creature can squeeze through spaces as small as 1 inch! Traditional barriers are ineffective. Use 'Wall of Force', 'Forcecage', or magical barriers to contain it.

Player Guide: Facing Gray Ooze

4 strategies available

When your party encounters this creature, keep these strategies in mind:

Climbing Defense: This creature can climb at 15 ft! It can use walls and ceilings for surprise attacks. Fight in open areas without vertical surfaces. 'Spider Climb' negation spells can help.
Fire Damage Protection: This creature deals fire damage! Get fire resistance from spells like 'Resistance' or potions. Avoid fighting near flammable objects. Water spells can counter fire attacks.
Cold Damage Protection: This creature deals cold damage! Get cold resistance or use fire spells. Avoid water surfaces - they can freeze and create difficult terrain. 'Heat Metal' can counter cold.
Contain Amorphous Creature: This creature can squeeze through tiny spaces! Traditional barriers won't work. Use 'Wall of Force', 'Forcecage', or magical barriers. 'Create Bonfire' can block movement.

Encounter Building Calculator

Standard Party Encounter (4-5 characters):

This creature is a medium encounter for a party of 4 characters of level 1.

Solo Encounter:

A single character of level 2 (up to level 20) can face this creature in a medium to hard encounter.

Experience Point Thresholds:

Medium: 75 XP
Hard: 112 XP
Deadly: 150 XP

Based on D&D 5e Dungeon Master's Guide encounter building guidelines. CR roughly equals party level for medium encounters.

Frequently Asked Questions

What is the challenge rating of Gray Ooze?: Gray Ooze has a Challenge Rating of 1/2, making it appropriate for parties of level 0.5.
What type of creature is Gray Ooze?: Gray Ooze is a Medium Ooze, which affects how certain spells and abilities interact with it.
What languages does Gray Ooze speak?: Gray Ooze can communicate in -.