Slime

(Redirected from Small Slime)
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Please update this page to reflect recent updates or newly available information.
Reason: Health, damage and hitbox size for size 2 slimes, which spawn from trial spawners
This article is about the mob. For the item it drops, see Slimeball. For the block created with slimeballs, see Slime Block. For other uses, see Slime (disambiguation).

Slimes are bouncy, cube-shaped hostile mobs that spawn deep underground in particular chunks, or on the surface in swamp biomes. They attack by jumping at their targets. They come in three sizes, and larger slimes split into smaller ones on death.

Slime
Slime.png: Infobox image for Slime the entity in Minecraft
Invicon Slime Spawn Egg.png: Inventory sprite for Slime Spawn Egg in Minecraft as shown in-game with description: Slime Spawn Egg
Health points

Big: 16HP♥ × 8
Medium: 4HP♥♥
Small: 1HP♥

Behavior

Hostile

Mob type

Monster

Attack
strength

Easy:
Big: 3HP♥♥
Medium: 2HP♥
Small: 0HP♥
Normal:
Big: 4HP♥♥
Medium: 2HP♥
Small: 0HP♥
Hard:
Big: 6HP♥♥♥
Medium: 3HP♥♥
Small: 0HP♥

Hitbox size

Big:
Height: 2.08 blocks
Width: 2.08 blocks
Medium:
Height: 1.04 blocks
Width: 1.04 blocks
Small:
Height: 0.52 blocks
Width: 0.52 blocks [needs testing in Bedrock Edition]

Spawn

Spawning Edit

This section is missing information about: Image of a 2.04 x 2.04 x 2.04 block space.
 
Please expand the section to include this information. Further details may exist on the talk page.

Slimes spawn in 3 sizes: small, medium, and big. Slimes have an NBT tag, [Byte] Size, which determines their size. Small, medium, and big slimes have their Size set to 0, 1, and 3 respectively. Using the /summon or /data commands, a slime can be given any Size in the range from 0 to 126 (inclusive).[verify for Bedrock Edition]

A slime needs a space of 2.04×2.04×2.04 blocks to spawn, which must be clear of solid and liquid obstructions. When a slime attempts to spawn, the game checks to see if the space requirement is followed. Therefore, small and medium slimes are not able to spawn in 2-block tall areas even though it would normally be enough room for other small mobs. Any block within the space, even a glass pane, can prevent slimes from spawning.

  • A button or any block without a collision hitbox can prevent a mob from spawning on the block below it, but doesn't count as an obstruction. This is because the game looks for an air block above it when trying to spawn a mob.
  • In Java Edition, the space is centered on the top face of the block the slime spawns on.
    • It should be noted that a trapdoor is treated like a full-block when the game looks for space to spawn mobs. Therefore, the effective spawning space the slime needs is 3×2.1×3 blocks.
  • In Bedrock Edition, the space is centered in the northwest corner of a block. This means the effective spawning region is 2×2×2 blocks.[verify for Bedrock Edition]

The random distribution of slime sizes is affected by regional difficulty: chances range from 33% for each size at the low difficulty to 16% small, 33% medium, and 50% big with higher difficulty.

Swamps Edit

Slimes can spawn in swamps and mangrove swamps between the altitudes of Y=51 and Y=69 (inclusive) when the provided light level is 7 or less. They spawn most often on a full moon, and never on a new moon.

More precisely, the game checks two factors:

  1. If the light level is equal to or less than a random integer (from 0 to 7)
  2. If the fraction of the moon that is bright is greater than a random number (from 0 to 1)

If these conditions are met and the altitude is acceptable, there is a 50% chance of spawning a slime.

The light level requirement for slime spawning in swamps is different from that of most hostile mobs, which spawn only at light level 0.[1] This allows slimes in swamps to spawn in dimly-lit areas where most hostile mobs can't, allowing swamp-based slime farms to be built.

Slime chunks Edit

Slimes spawn in the Overworld in slime chunks below the layer of Y=40, regardless of the lighting or weather conditions.

About 110 of all chunks are generated as slime chunks, but they are not determined randomly. An algorithm is used to determine whether each chunk is a slime chunk.

Java Edition Edit

In Java Edition, slime chunks are determined pseudo-randomly by combining their chunk coordinates with the seed of the world.

This Java code can be used to print a message to the terminal indicating whether one specific chunk is a slime chunk.[verify for Java Edition]

import java.util.Random; 

public class CheckSlimechunk {
    
    public static void main(String args[])
    {
        // the seed from /seed as a 64bit long literal
        long seed = 12345L;
        int xPosition = 123;
        int zPosition = 456;
        
        Random rnd = new Random(
                seed +
                (int) (xPosition * xPosition * 0x4c1906) +
                (int) (xPosition * 0x5ac0db) +
                (int) (zPosition * zPosition) * 0x4307a7L +
                (int) (zPosition * 0x5f24f) ^ 0x3ad8025fL
        );
        
        System.out.println(rnd.nextInt(10) == 0);
    } 
}

The chunk coordinates and the world seed are combined to make a specific RNG seed to generate a random integer between 0 and 9 (inclusive). If the random integer is 0, then the chunk is a slime chunk. World coordinates can be converted to chunk coordinates by dividing by 16 and then rounding down. The world coordinates and the chunk coordinates are both 32-bit integers (instances of int).

Bedrock Edition Edit

In Bedrock Edition, the algorithm does not depend on the world seed, so the chunks that slimes can naturally spawn in inhabit the same coordinates for every world.[2]

Trial spawners Edit

Each trial chambers structure has a 25% chance to select slimes as the "small melee" mob for its trial spawners. This means only about 25% of trial chambers contain slime spawners within them.

Slimes from trial spawners spawn in sizes 1 (medium) and 2 (medium-large), unlike slimes that spawn in slime chunks and swamps, which come in sizes 0, 1 and 3 respectively.[3]

During ominous trials, each ominous trial spawner has a 17 chance to dispense lingering potions of Oozing, which spawns two medium slimes upon an affected entity's death. Any type of trial spawner can dispense Oozing potions, regardless of the mob type it spawns.

Potions Edit

If an entity inflicted with the Oozing effect dies, two medium-sized slimes appear at its death location.

In Java Edition, Oozing only spawns slimes in a 5×5×5 cube up to the maximum entity cramming count (default to 24).

Drops Edit

On death Edit

From a single large slime, a player can expect an experience and slimeball yield of 12-28 and 0-32, respectively. The average yield from a single large slime is usually around 19 experience and 9 slimeballs.

Large slime Edit

  • Spawns two to four medium slimes on death
  • 4XP when killed by the player

Medium slime Edit

  • Spawns two to four small slimes on death
  • 2XP when killed by the player

Small slime Edit

Item Roll Chance Quantity (Roll Chance)
Default Looting I Looting II Looting III
Invicon Slimeball.png: Slime drops Slimeball with quantity 0-2Slimeball100%[d 1]0–20–30–40–5
Invicon Slimeball.png: Slime drops Slimeball with quantity 1Slimeball100%[d 2]1111
  1. When not killed by a frog
  2. When killed by a frog

1XP when killed by the player

Behavior Edit

A slime jumping.

Slimes move by hopping, which they do every 10 to 30 ticks (12 to 1 12 seconds). They can swim in water and climb ladders and scaffolding. Unlike other mobs, slimes continue moving when no players are nearby. Their exact routine is as follows:

The slime searches for a player (or, failing that, an iron golem) within 16 blocks (spherical) distance.

  • If no target is found, the slime waits 10 to 30 ticks (12 to 1 12 seconds) between jumps, and changes direction randomly every 40 to 100 ticks (2 to 5 seconds).
  • If a target is found, the delay before jumping is 13 as long (3 to 10 ticks), and the slime's direction is set directly toward the target before jumping.

Unlike most mobs, slimes do not pathfind toward their target, always approaching their target in a straight line without avoiding environmental hazards such as lava, cactus or dangerous falls. This means they can easily get stuck in corners or behind walls, not knowing how to circumvent them. This behavior is shared by magma cubes.

A slime's maximum health is equal to its size squared, and its dimensions are 0.51 blocks times its size in each dimension. When a slime attacks, it deals damage equal to its size, except for size 0 (smallest) slimes, which do no damage, and do not prevent sleeping. Because small slimes still have a hostile AI, they continuously attack the player.

A slime's jump distance also depends on its size; a slime jumps a distance slightly farther than its length. When landing, a number (8 times the slime's size) of slime particles appear. Regardless of size, slimes always jump 1 block high.

When a slime larger than 0 dies, it spawns 2-4 new slimes equivalent to its size divided by 2, rounding down. In Java Edition and ‌in Bedrock Edition 1.21.80[upcoming], a slime that was named with a name tag produces smaller slimes with the same name when it dies.

Slimes continuously damage all players, snow golems[Bedrock Edition only], and iron golems they collide with (although damage immunity reduces the actual damage to 1 attack every half second), unlike other mobs that damage only those targets they specifically attack.[4]

Slimes in water attempt to swim to the surface if possible. If forced to stay submerged, they eventually drown, splitting into smaller slimes that drown and finally drop slimeballs.

Slimes are immune to Oozing.

Sounds Edit

Java Edition:
Slimes use the Hostile Creatures sound category for entity-dependent sound events.

[hide]Sounds
SoundSubtitlesSourceDescriptionResource locationTranslation keyVolumePitchAttenuation
distance
​Slime attacksHostile CreaturesWhen a slime attacks somethingentity.slime.attacksubtitles.entity.slime.attack1.00.8-1.216
​Slime diesHostile CreaturesWhen a non-small slime diesentity.slime.deathsubtitles.entity.slime.deathLarge: 1.2
Medium: 0.4
0.64-0.9616
​Slime diesHostile CreaturesWhen a small slime diesentity.slime.death_smallsubtitles.entity.slime.death0.01.12-1.6816
​Slime hurtsHostile CreaturesWhen a non-small slime is damagedentity.slime.hurtsubtitles.entity.slime.hurtLarge: 1.2
Medium: 0.4
0.64-0.9616
​Slime hurtsHostile CreaturesWhen a small slime is damagedentity.slime.hurt_smallsubtitles.entity.slime.hurt0.01.12-1.6816
​Slime squashesHostile CreaturesWhen a non-small slime jumpsentity.slime.jumpsubtitles.entity.slime.squishLarge: 1.2
Medium: 0.4
0.64-0.9616
​Slime squashesHostile CreaturesWhen a small slime jumpsentity.slime.jump_smallsubtitles.entity.slime.squish0.01.12-1.6816
​Slime squashesHostile CreaturesWhen a non-small slime landsentity.slime.squishsubtitles.entity.slime.squishLarge: 1.2
Medium: 0.4
1.0-1.516
​Slime squishesHostile CreaturesWhen a small slime landsentity.slime.squish_smallsubtitles.entity.slime.squish0.01.0-1.516

Bedrock Edition:

[hide]Sounds
SoundSourceDescriptionResource locationVolumePitch
Friendly CreaturesWhen a slime diesmob.slime.small1.00.8-1.2
Friendly CreaturesWhen a slime is damagedmob.slime.small1.00.8-1.2
Hostile CreaturesWhen a non-small slime jumps or landsmob.slime.big1.00.64-0.96
Friendly CreaturesWhen a small slime jumps or landsmob.slime.small1.00.64-0.96
NoneNoneWhen a slime attacks somethingmob.attack1.00.8-1.2
Hostile CreaturesUnused sound eventmob.slime.attack1.01.0

Data values Edit

ID Edit

Java Edition:

NameIdentifierEntity tags[hide]Translation key
EntitySprite slime.png: Sprite image for slime in Minecraft Slimeslimefrog_food
no_anger_from_wind_charge
non_controlling_rider
entity.minecraft.slime

Bedrock Edition:

NameIdentifierNumeric ID [hide]Translation key
EntitySprite slime.png: Sprite image for slime in Minecraft Slimeslime37entity.slime.name

Entity data Edit

Slimes have entity data associated with them that contains various properties.

Java Edition:

Main article: Entity format
  • [NBT Compound / JSON Object] Entity data
    • Tags common to all entities see Template:Nbt inherit/entity/template[show]
    • Tags common to all mobs see Template:Nbt inherit/mob/template[show]
    • [Int] Size: The size of the slime. Note that this value is zero-based, so 0 is the smallest slime, 1 is the next larger, etc. The sizes that spawn naturally are 0, 1, and 3. Values that are greater than 126 get clamped to 126.
    • [Byte] wasOnGround: 1 or 0 (true/false) - true if the slime is touching the ground.

Bedrock Edition:

See Bedrock Edition level format/Entity format.

Achievements Edit

[hide]
IconAchievementIn-game descriptionActual requirements (if different)Gamerscore earnedTrophy type (PS)
PS4Other
It SpreadsKill a mob next to a catalyst10Bronze
Monster HunterAttack and destroy a monster.Kill a hostile mob or one of the following neutral mobs: an enderman, a piglin, a zombified piglin, a spider, or a cave spider.15Bronze
OverkillDeal nine hearts of damage in a single hit.Damage can be dealt to any mob, even those that do not have nine hearts of health overall.30Bronze
Over-OverkillDeal 50 hearts of damage in a single hit using the Mace20Silver

Advancements Edit

IconAdvancementIn-game descriptionActual requirements (if different)
A Throwaway JokeThrow a Trident at something.
Note: Throwing away your only weapon is not a good idea.
Hit a mob with a thrown trident.
AdventureAdventure, exploration and combatKill any mob, or be killed by any living entity.
ArbalisticKill five unique mobs with one crossbow shotArmor Stand also counts for this advancement.
This is a hidden advancement, meaning that it can be viewed by the player only after completing it, regardless of if its child advancement(s), if any, have been completed.
It SpreadsKill a mob near a Sculk Catalyst Mobs that drop no experience as well as the ender dragon are ignored for this advancement.
Monster HunterKill any hostile monster Other mobs may be killed, but are ignored for this advancement.
Monsters HuntedKill one of every hostile monster Other mobs may be killed, but are ignored for this advancement.
Over-OverkillDeal 50 hearts of damage in a single hit using the Mace
Take AimShoot something with an ArrowUsing a bow or a crossbow, shoot a mob with an arrow, tipped arrow, or spectral arrow.

Video Edit

Note: This video is from 2012. Since then, slime spawning in swamps has been added to the game.

History Edit

[hide]Java Edition Alpha
v1.0.11 Added slimes.
Slimes are the fifth hostile mob added to the game.
There are three sizes of slimes: small, medium, and big. Their exact size values in comparison to modern slimes is unknown.
On death, non-tiny slimes split into smaller slimes only if they are dealt exactly the same damage as their remaining health.
v1.0.12Big slimes no longer spawn in Peaceful.
Slimes now have sound effects.
The targeting and attacking of slimes has been fixed.
v1.0.13 The texture of slimes has been changed.
v1.0.14Slime spawning has been reduced as they now appear in abundance.
A miscalculation in the new limit has now caused slimes to spawn only in strange locations, so natural slime spawning has been disabled.
v1.0.17Slimes now spawn in multiplayer.
v1.2.0Slime spawning has been completely disabled.
[hide]Java Edition Beta
1.2_01Slimes have been returned to the game.
Small slimes now drop 0 - 2 slimeballs.[5]
Slimes are currently rare.
1.3Slimes have now become more common.
1.4A multiplayer bug has been fixed where slimes split were visible only to the player that caused them to split and would not take any damage.[6] Because these slimes were client-side, the player could remove them only by exiting and logging back into the server.
1.5Slimes no longer spawn in Peaceful difficulty and attack only when provoked.
[hide]Java Edition
1.0.0Beta 1.9 PrereleaseNon-tiny slimes now split into smaller slimes when they receive more damage than their remaining health.
Beta 1.9 Prerelease 5Slimes now spawn on levels 0-39 rather than 0-16, making them much more common.
1.111w49aAdded slime spawn egg, allowing the player to spawn slimes.
1.3.112w15aThe slime spawning rate in superflat worlds has been decreased.
12w25aThe slime spawning rate in superflat worlds has been decreased, even more.
1.4.212w38aSlimes now have a new mob sound, the same as magma cubes, to make the sounds more realistic.
12w40aSlimes are now easier to find as they spawn in swamp biomes at low light level. Since slimes can't swim, it is quite likely that they jump in deep water and eventually drown.
1.513w10aSlime spawn rates in swamps now depend on the current moon phase.
1.7.2?Huge slimes can now spawn while summoning with a command block.
1.814w06bSlimes can now swim as a result of the update to the new AI.
Slimes now randomly change direction every so often, reducing the chance of them getting stuck in walls or corners.
Slimes now randomly despawn over time if no player is within a 32 block range.
The jumping mechanics of slimes have been changed. The distance they are able to jump corresponds to their size; they jump approximately the same distance as the length they are. They also turn and face their whole body to the player while attacking.
1.1418w43a The texture of slimes has been changed.
19w08aHitbox side length for sizes 0, 1, 3 (small, medium, big) changed from 0.51, 1.02, 2.04 to 0.5202, 1.0404, 2.0808, respectively.
1.1620w06aSmall slimes now make sounds again when moving.[7]
1.1721w10aThe maximum size of slimes is now 127.
1.2023w18aSlimes are now affected by the Jump Boost effect.[8]
1.20.223w33aThe sounds of slimes are now controlled by the "Hostile Creatures" instead of the "Friendly Creatures" sound slider.[9]
1.20.3
Experiment
Update 1.21
23w45aSlimes now spawn in trial chambers behind the "Update 1.21" experimental data pack.
1.20.524w03aHitbox side length for sizes 0, 1, 3 (small, medium, big) changed from 0.5202, 1.0404, 2.0808 to 0.52, 1.04, 2.08, respectively.
1.20.5
Experiment
Update 1.21
24w13aTwo medium size slimes spawn when an entity (except boss mobs and slimes) dies with the Oozing effect.
pre1Oozing now spawns slimes in a 5×5×5 volume up to the max entity cramming count.
[hide]Pocket Edition Alpha
v0.9.0build 1 Added slimes and slime spawn eggs.
build 2Slimes now have sounds.
Slimes now spawn naturally.
v0.10.0build 1Slimes now have bouncing animations.
v0.12.1build 1Slimes now have particles when jumping.
Slimes now drop slimeballs.[verify]
v0.13.0build 3The spawning of slimes has been improved.
[hide]Bedrock Edition
?Slimes spawn commonly in flat worlds.
1.10.0beta 1.10.0.3 The texture of slimes has been changed.
1.16.201Slimes no longer spawn at ground level on flat worlds.
1.20.60
Experiment
Update 1.21
Preview 1.20.60.20Slimes now spawn in trial chambers behind the "Update 1.21" experimental toggle.
1.20.70
Experiment
Update 1.21
Preview 1.20.70.21Slimes no longer retaliate against attacks from breezes.
1.21.0
Experiment
Update 1.21
Preview 1.21.0.20When an entity with the Oozing effect dies, two medium size slimes spawn.
[hide]Upcoming Bedrock Edition
1.21.80Preview 1.21.80.20A slime named with a name tag now produces smaller slimes with the same name when it dies.
[hide]Legacy Console Edition
Xbox 360Xbox OnePS3PS4PS VitaWii USwitch
TU1CU11.001.001.00Patch 11.0.1 Added slimes.
TU9Added slime spawn egg, allowing the player to spawn slimes.
TU141.04The slime spawning rate in superflat worlds has been decreased.
TU19CU71.121.121.12Slimes can now spawn in swamps at night.
[hide]New Nintendo 3DS Edition
0.1.0 Added slimes.

Data history Edit

[hide]Java Edition
1.1116w32aThe entity ID for slimes has been changed from Slime to slime.
1.1317w47aNumeric IDs for entities were presumably deprecated in this version.​[more information needed]

Issues Edit

Issues relating to "Slime" are maintained on the bug tracker. Issues should be reported and viewed there.

Trivia Edit

  • In Java Edition, the size of slimes can be customized with commands. Sizes go from 1 up to 127; the size-127 slime is the largest of any mob in the game, bigger than the ender dragon.
  • Because a slime's movement speed is tied to its size, it becomes impossible for the player to outrun a size 8 slime on flat ground without potion effects.
  • When a slime searches for nearby targets or checks to see if it should despawn, it checks from a point at the center of its hitbox on the x and z-axis and the bottom of its y-axis. Therefore, a custom-size slime sufficiently huge can be right in front of the player and be completely passive, and it may even despawn if the slime is large enough.
  • Green-colored slimes are also present in Minicraft, a 2D Minecraft-inspired game also created by Notch.
  • A player inside a slime can see the slime itself inside of a slime block.

Gallery Edit

Screenshots Edit

Mojang screenshots Edit

Textures Edit

In other media Edit

See also Edit

External links Edit

References Edit

  1. MC-252424 — Slimes spawn at light levels greater then 0 in Swamps — resolved as "Works As Intended".
  2. The Bedrock Edition slime chunk algorithm was reverse engineered by @protolambda and @jocopa3 and can be found on GitHub:[1]
  3. MC-266502 — Trial spawners spawn slimes of "Size: 2" which otherwise never spawn — resolved as "Works As Intended".
  4. MC-131426
  5. http://getsatisfaction.com/mojang/topics/will_slimes_ever_return_to_minecraft
  6. http://www.youtube.com/watch?v=wyNvBkn4E3U
  7. MC-97958 — Small slime has no jump or squish sound — resolved as "Fixed".
  8. MC-48923 — Slime/magma cubes not affected by jump boost potion effect — resolved as "Fixed".
  9. MC-118616 — The sounds of magma cubes and slimes aren't controlled by the "Hostile Creatures" sound slider — resolved as "Fixed".
  10. "Celebrate with Us" – minecraft.net.

Navigation Edit