Tales from Oddwater
Spoiler noticeMajor spoilers ahead

The Monster Manual reveals creatures, bosses, abilities and where you’ll encounter them, including content still in development. Even if you’re testing the game, we recommend playing through the first four adventures once before reading further. Keep the surprises intact until you’re ready to explore the full bestiary.

Before you open this volume

Major spoilers ahead

The Monster Manual reveals creatures, bosses, abilities and where you’ll encounter them, including content still in development. Even if you’re testing the game, we recommend playing through the first four adventures once before reading further. Keep the surprises intact until you’re ready to explore the full bestiary.

For this volume, in this browser.

Volume III · Monster ManualBuild 25

Green Slime

Creatures of the Crooked Mile

A complete creature referenceOpen the book ↓
Green Slime
Implemented development through Build 25Reviewed 28 October 2026

← Alphabetical bestiary / Green Slime

Corrosive nuisance · Physical

Not every dangerous thing announces itself with a roar. Some merely wait for contact.

Reference statistics

Basic difficulty · ordinary profile before temporary states and encounter adjustments

HP
13
Armor class
9
Attack
+2
Damage
d4+0
Initiative
9
Strikes
1

Weaknesses Fire, Frost

Resistances Earth

Polymorph immunity No authored immunity

Traits and special behavior

Damaging melee contact retaliates for 1 + floor(tier damage/5) untyped acid, including lethal hit. Ranged/spells safe. No recursive reaction.

See the condition reference for the shared effects, and enemy tuning for difficulty-wide chance adjustments.

Statistics by difficulty

DifficultyHPACAttackDamageStrikes
Basic139+2d4+01
Advanced2914+6d4+21
Expert4320+9d4+41
Master5922+11d4+51
Master+7824+12d4+71

Includes explicit tier overrides and the final maximum-HP multiplier. Damage is the ordinary die and bonus, before final outgoing multipliers. Rage, growth, buffs, encounter adjustments and special action damage are not baked into this table.

Current appearances

AdventureLocationEncounter roster
The Lost DungeonsThe Fallen PrisonGreen Slime × 2

Detailed reference

These panels retain the exact authored configuration, including unscaled base values. For tier overrides, −1 Attack or damage bonus and zero HP or strikes mean “inherit”; tier indices run from 0 (Basic) to 4 (Master+). Field values and message templates are shown as reference data, not additional rules.

Creature configuration
Stable identifier
greenSlime
Name
Green Slime
Plate Name
Slime
Role
Corrosive nuisance
HP
13
Armor class
9
Attack
2
Damage die
4
Damage bonus
0
Initiative
9
Artwork registry index
31
Visual Scale
0.55
Preserve Aspect
Yes
Element
Attack Text
{actor} lashes out at {target}.
Weapon Retaliation
1
Weaknesses
  1. Fire
  2. Frost
Resistances
  1. Earth
Visual Top Padding
0.235247
Visual Bottom Padding
0.177831
Tier Damage Multiplier
0.5
Tier Adjustments
None
Attack Sound
combat.slimeStrike
Encounter configurations (1)

Whole encounter rewards and modifiers are shown here; they are not rewards for defeating this creature alone. Legacy fields remain visible for configuration audits.

  1. Stable identifier
    fallenPrison
    Enemies
    1. gelatinousCube
    2. greenSlime
    3. greenSlime
    Gold
    42
    Xp
    46
    Opening
    The cube traps heroes: escape or kill it. Weapons splash acid; spells are safe.
Artwork and presentation
Resource
JournalArt/Adventures/LostDungeons/Creatures/GreenSlime
Registrations
  1. Resource
    JournalArt/Adventures/LostDungeons/Creatures/GreenSlime
    Height Units
    0.55
    Body Height
    0.586922
    Ground Y
    0.177831
    Center X
    0.499601

Download the exact creature definition (JSON)

Return to the cover ↑