# [Gray Ooze](Rules\Source\bestiary\ooze/gray-ooze-xmm.md) *Source: Monster Manual (2024) p. 151. Available in the <span title='Systems Reference Document (5.2)'>SRD</span> and the Free Rules (2024)* Gray oozes appear in areas affected by unpredictable magic. Magic-users who fail in their attempts to bind elemental spirits to the bodies of Constructs might also accidentally create gray oozes. ## Gray Oozes *Hungry Slimes and Magical Failures* - **Habitat.** Underdark - **Treasure.** None Gray oozes are predatory, corrosive slimes that blend in with stony surroundings. ```statblock "name": "Gray Ooze (XMM)" "size": "Medium" "type": "ooze" "alignment": "Unaligned" "ac": !!int "9" "hp": !!int "22" "hit_dice": "3d8 + 9" "modifier": !!int "-2" "stats": - !!int "12" - !!int "6" - !!int "16" - !!int "1" - !!int "6" - !!int "2" "speed": "10 ft., climb 10 ft." "skillsaves": - "name": "[Stealth](/Rules/Source/skills.md#Stealth)" "desc": "+2" "damage_resistances": "acid, cold, fire" "condition_immunities": "[blinded](/Rules/Source/conditions.md#Blinded), [charmed](/Rules/Source/conditions.md#Charmed),\ \ [deafened](/Rules/Source/conditions.md#Deafened), [exhaustion](/Rules/Source/conditions.md#Exhaustion),\ \ [frightened](/Rules/Source/conditions.md#Frightened), [grappled](/Rules/Source/conditions.md#Grappled),\ \ [prone](/Rules/Source/conditions.md#Prone), [restrained](/Rules/Source/conditions.md#Restrained)" "senses": "[Blindsight](/Rules/Source/senses.md#Blindsight) 60 ft., passive Perception\ \ 8" "languages": "" "cr": "1/2" "traits": - "desc": "The ooze can move through a space as narrow as 1 inch without expending\ \ extra movement to do so." "name": "Amorphous" - "desc": "Nonmagical ammunition is destroyed immediately after hitting the ooze\ \ and dealing any damage. Any nonmagical weapon takes a cumulative -1 penalty\ \ to attack rolls immediately after dealing damage to the ooze and coming into\ \ contact with it. The weapon is destroyed if the penalty reaches -5. The penalty\ \ can be removed by casting the [Mending](/Rules/Source/spells/mending-xphb.md)\ \ spell on the weapon.\n\nThe ooze can eat through 2-inch-thick, nonmagical\ \ metal or wood in 1 round." "name": "Corrosive Form" "actions": - "desc": "*Melee Attack Roll:* +3, reach 5 ft. *Hit:* 10 (2d8 + 1) Acid damage.\ \ Nonmagical armor worn by the target takes a -1 penalty to the AC it offers.\ \ The armor is destroyed if the penalty reduces its AC to 10. The penalty can\ \ be removed by casting the [Mending](/Rules/Source/spells/mending-xphb.md)\ \ spell on the armor." "name": "Pseudopod" "source": - "XMM" "image": "/Rules/Source/bestiary/ooze/token/gray-ooze-xmm.webp" ``` ^statblock ## Environment underdark